EXHIBIT 21 OGDEN CORPORATION - U S SUBSIDIARIES LIST (See Attachment A for foreign subsidiaries list) Company % Domestic Co. Code/ - ------- Ownership State E.I.N. --------- ----- ------ Ogden Corporation ............................................................................ DE ....... 13-5549268 Ogden Energy Group, Inc. (f/k/a Ogden Projects, Inc.) .................... 100 ............ DE ........ 13-3213657 (SEE ATACHMENT B FOR OGDEN ENERGY GROUP, INC - U.S. AND FOREIGN SUBSIDIARIES LIST) Garden Merger Corp. ........................................................ 100 ............ NY ....... 13-4065414 Ogden Financial Services, Inc. ............................................. 100 ............ DE ....... 13-3057250 B D C Liquidating Corp. ............................................. 100 ............ DE ....... 13-2757633 Bouldin Development Corp. .................................... 100 ............ CA ....... 94-1695641 Greenway Insurance Company of Vermont ............................... 100 ............ VT ....... 13-3167991 OFS Equity of Delaware, Inc. ........................................ 100 ............ DE ....... 13-3495890 Denver Fuel Facilities Corporation ........................... 100 ............ CO ....... 105*/13-2694896 OFS Equity of Alexandria/Arlington, Inc. ..................... 100 ............ VA ....... 13-3495889 OFS Equity of Indianapolis, Inc. ............................. 100 ............ IN ....... 13-3495887 OFS Equity of Stanislaus, Inc. ............................... 100 ............ CA ....... 13-3495880 Ogden Management Services, Inc. ..................................... 100 ............ DE ....... 13-2918484 OFS Equity of Babylon, Inc. ......................................... 100 ............ NY ........ 13-3543094 OFS Equity of Huntington, Inc. ...................................... 100 ............ NY ........ 13-3543092 Astoria Studios, LP ........................................................ 3.80769 ...... NY ........ Ogden Services Corporation ................................................. 100 ............ DE ........ 141*/13-3058273 Doggie Diner, Inc. .................................................. 100 ............ DE ........ 003/92-1228666 Offshore Food Service, Inc. ......................................... 100 ............ LA ........ 027/72-0535141 Gulf Coast Catering Company, Inc. ............................ 100 ............ LA ........ 028/13-3537164 Ogden Attractions, Inc. ............................................. 100 ............ DE ........ /13-3934857 Ogden-Burtco Services, Inc. ......................................... 100 ............ WA ........ 042/92-0022939 Alpine Food Products, Inc. ................................... 100 ............ WA ........ 041/91-0760148 Ogden HCI Services ........................................... 60 ............ Ogden Facility Management Corporation of West Virginia .................... 100 ............ WV ........ 55-0459949 Ogden Film and Theater, Inc. .............................................. 100 ............ DE ........ /13-3934858 Ogden Food Service Corporation of Milwaukee ............................... 100 ............ WI ........ 063/13-2783130 Ogden Leisure, Inc. ....................................................... 100 ............ DE ........ 54-0848368 Ogden Allied Abatement & Decontamination Service, Inc. .................... 100 ............ NY ........ 144*/13-3429112 Ogden Allied Maintenance Corporation ...................................... 100 ............ NY ........ 010*/13-65939 *ARA Sunset Airport Systems, Inc. ................................... 100 ............ CA ........ 152*/95-2959114 Datacom Custom Manufacturing, Inc. ................................. 100 ............ NY ........ 086*/13-2629642 (F/K/A ATLANTIC DESIGN COMPANY, INC.) Lenzar Electro-Optics, Inc. ........................................ 100 ............ DE ........ 175/59-3063752 Ogden Allied Payroll Services, Inc. ................................ 100 ............ NY ........ 063*/13-6160158 Ogden Aviation Distributing Corp. .................................. 100 ............ NY ........ 046*/13-1835320 *Ogden Aviation Fueling Company of Atlanta, Inc...................... 100 ............ GA ........ 129*/13-3054674 Ogden Aviation Service Company of Colorado, Inc. ................... 100 ............ CO ........ 104*/13-2694899 *Ogden Aviation Service Company of Hawaii, Inc. ..................... 100 ............ HI ........ 107*/13-2706452 *Ogden Aviation Fueling Company of Virginia, Inc. ................... 100 ............ DE ........ 038*/13-1954027 *Ogden Aviation Security Services, Inc. ............................. 100 ............ DE ........ 013/13-3876173 *Ogden Aviation Security Services of Indiana, Inc. .................. 100 ............ IN ........ 163*/13-3606125 Ogden Aviation, Inc. ............................................... 100 ............ DE Oden Allied Maintenance Securities, Inc. ......................... 100 ............ DE ........ 004*/51-0102045 Kansas City International Fueling Facilities Corporation ....... 100 ............ MO ........ 080*/13-2604290 LaGuardia Fuel Facilities Corporation .......................... 100 ............ NY ........ 100*/13-2660143 Lambert Field Fueling Facilities Corporation ................... 100 ............ DE ........ 057*/13-6116279 Love Field Fueling Facilities Corporation ...................... 100 ............ TX ........ 058*/13-6116341 Newark Automotive Fuel Facilities Corporation .................. 100 ............ NJ ........ 114*/13-2806865 Philadelphia Fuel Facilities Corporation ....................... 100 ............ PA ........ 097*/13-2671427 Ogden Asia Pacific Services, Inc. ................................ 100 ............ DE ........ 134/13-3793247 (SEE ATTACHMENT A FOR FOREIGN SUBSIDIARIES) Ogden Central and South America, Inc. ............................ 100 ............ DE ........ 135/13-3793248 (SEE ATTACHMENT A FOR FOREIGN SUBSIDIARIES) Ogden Aviation Services, Inc. .................................... 100 DE 015/13-3846270 Ogden Aviation Fueling Company, Inc. ............................. 100 DE 012*/13-5564521 Ogden Aviation Fueling Company of Houston, Inc. .................. 100 TX 068*/13-2557861 Ogden Aviation Fueling Company of St Louis, Inc. ................ 100 DE 025*/13-5665586 Ogden Aviation Fueling Company of Texas, Inc. .................... 100 TX 024*/13-5661328 *The following companies are in the process of being merged into Ogden Allied Maintenance Corporation Company % Domestic Co. Code/ - ------- Ownership State E.I.N. --------- ----- ------ Ogden Aviation Service Company of Kansas City, Inc. .............. 100 ............ MO ........ 118*/13-2942892 Ogden Aviation Service Company of New Jersey, Inc. ............... 100 ............ NJ ........ 003*/13-5565924 Ogden Aviation Service Company of New York, Inc. ................. 100 ............ NY ........ 007*/13-5565925 Ogden Aviation Service Company of Pennsylvania, Inc. ............. 100 ............ PA ........ 018*/13-2749962 Ogden Aviation Service Company of Texas, Inc. .................... 100 ............ DE ........ 019*/13-5649342 Ogden Aviation Service Company of Washington, Inc. ............... 100 ............ DE ........ 011*/13-5581082 Ogden Aviation Service International Corporation. ................ 100 ............ NY ........ 006*/13-5565926 Ogden Aviation Services of Puerto Rico, Inc. .............. 100 ............ DE ........ 177/13-3634105 Ogden International Europe Inc. ..................................... 100 ............ DE/U S.A. .. 164/13-88536 (SEE ATTACHMENT A FOR FOREIGN SUBSIDIARIES) Ogden Aviation Terminal Services, Inc. .............................. 100 ............ MA ........ 005*/13-5565923 Ogden Flight Services Group, Inc. ................................... 100 ............ DE ........ 51-0387567 Flight Services Properties, Inc. .............................. 100 ............ DE ........ Ogden Texas Ground Services, Inc. ................................... 100 ............ DE ........ 13-3889795 Ogden New York Services, Inc. ....................................... 100 ............ NY ........ 020/13-5623889 Ogden Pipeline Services Corporation ................................. 100 ............ DE ........ 125*/13-2949046 Ogden Cisco, Inc. ..................................................... 100 ............ DE ........ 157*/13-3670141 Ogden Communications, Inc. ............................................ 100 ............ DE ........ 130/13-3793364 Ogden Facility Holdings, Inc. ......................................... 100 ............ DE ........ 13-3852102 Ogden Facility Services, Inc. ....................................... 100 ............ DE ........ 13-3773192 1OCSA Financing Services, Inc. ............................................ 100 ............ DE ........ PENDING (SEE ATTACHMENT A FOR FOREIGN SUBSIDIARIES) Ogden Logistics Services .................................................. Ogden Entertainment, Inc. ................................................. 100 ............ DE ........ 001/11-2145117 The Metropolitan Entertainment Co , Inc. .............................. 50 ............ NJ ........ 22-1968974 Woodstock '99, L.L.C. ......................................... 45 ............ NY ........ 13-4041861 Ogden-MEI, L L C ...................................................... 50 ............ DE ........ 13-4022873 Ogden Park Management, Inc. ........................................... 100 ............ DE ........ 52-2096960 Ogden Entertainment of Florida, Inc. ............................... 100 ............ DE ........ /13-3877904 Ogden Parks - Carolina, Inc. ....................................... 100 ............ DE ........ 52-2153227 Ogden Parks - Poway, Inc. .......................................... 100 ............ DE ........ 52-2153532 Ogden Parks - Riverside, Inc. ...................................... 100 ............ DE ........ 52-2153530 Castle Amusement Park ......................................................... CA ........ Ogden Parks - San Jose, Inc. ....................................... 100 ............ DE ........ 52-2153222 Ogden Parks - San Dimas, Inc. ...................................... 100 ............ DE ........ 95-4128198 Raging Waters Group, Inc. (San Dimas) ....................... 100 ............ CA ........ Wet `n Wild International, Inc. .................................... 100 ............ NV Wet `n Wild, Inc. .................................................. 100 ............ TX Wet `n Wild Nevada, Inc. ........................................... 100 ............ NV I & S Consultants, Inc. ............................................ 100 ............ IL ........ 36-3241812 Company % Domestic Co. Code/ - ------- Ownership State E.I.N. --------- ----- ----- Jazzland, Inc. ......................................................... 100 ............ DE ........ 52-2096960 Ogden Facility Management Corporation .................................. 100 ............ NY ........ 098/13-3282969 Ogden Facility Management of Huntington ............................ 100 ............ WV ........ 13-3852104 Ogden Facility Management Corporation of Iowa ...................... 100 ............ IA ........ 007/13-3444248 Ogden Facility Management Corporation of Pensacola ................. 100 ............ FL ........ 006/13-3245048 Ogden Event Security Services, Inc. ................................ 100 ............ NY ........ 011/13-3428320 - -------- (1) Name to be changed to Ogden Transition Corporation Ogden Facility Management of Alaska, Inc. ....................... 100 ............ AK ....... 058/92-0097503 Ogden Facility Management Corporation of Anaheim ........................ 100 ............ CA ....... 060/13-3526194 Ogden Food Service Corporation .......................................... 100 ............ DE ....... 023/23-0404985 Ogden Confection Corporation .................................... 100 ............ DE ....... 039/36-2392940 Ogden Food Service Corporation of Kansas ........................ 100 ............ KS ....... 0032/13-3703705 Ogden Food Service Corporation of Texas ......................... 100 ............ TX ....... 092/74-1310443 Ogden Food Service Corporation of Wisconsin ..................... 100 ............ WI ....... 056/39-0912345 Ogden American Food Services, Inc. .............................. 100 ............ OH ....... 008/34-4197320 Shoreline Operating Company, Inc. 100 ............ CA ....... 77-0484063 Veterans Stadium Assoc , LP 82 ............ ........... Ogden Allied Lakewood Assoc. 65 ............ GA ....... Top of the World @ the World Trade Center, LP 90 ............ NY ....... The Victor/Victoria Company, LP .... NY ....... Ogden Firehole Entertainment Corp. ......................................... 100 ............ DE ....... 13-3516164 Ogden Technology Services Corporation ...................................... 100 ............ DE ....... 13-3977971 Applied Data Technology, Inc. ........................................... 100 ............ CA ....... 33-0297326 ADT Global Services, Inc. (formerly Ogden Range Services, Inc.) ......... 100 ............ DE ....... 169/13-3712961 Logistics Operations, Inc. ...................................... 100 ............ VA ....... 164/13-3977972 Ogden Support Services, Inc. ............................................ 100 ............ DE ....... 165*/13-3688521 Spectra Enterprises Association, LP ......................................... 4.316241 * For payroll/personnel, add 200 to codes of Maintenance companies ONLY ATTACHMENT A OGDEN CORPORATION - FOREIGN SUBSIDIARIES LIST Company % Domestic Co. Code/ - ------- Ownership State/Country E.I.N. --------- ------------- ------ Ogden Corporation ............................................................................ DE/U.S.A Aeropuertos Argentina 2000 S.A ............................................ 28 ............ Argentina Compania de Desarrollo Aeropuerto Eldorado, S.A. (CODAD, S.A.) ............ 21 ............ Colombia Ogden Services Corporation ............................................... 100 ............ DE/U.S.A ................. 141 Ogden Allied Maintenance Corporation .................................. 100 ............ NY/U.S.A Datacom Custom Manufacturing, Inc. ............................ 100 ............ NY/U.S.A Datacom de Mexico, S.A. de C.V ...................... 100 ............ Mexico Ogden Aviation, Inc ...................................................... 100 ............ DE Allied Aviation Services Company of Newfoundland, Ltd. ................. 100 ............ Canada ................... 022 Ogden Asia Pacific Services, Inc. ...................................... 100 ............ DE/U.S.A Ogden Asia Pacific Hong Kong Branch .................................. N/A ............ Hong Kong HO/Ogden Investimentos e Transportes, Limitada ....................... 51 ............ Macau MasCargo (Macau) Company Limited .............................. 7.65 ......... Macau IEA of Japan Company Ltd. ............................................ 50 ............ Japan MASC/Ogden Aviation Services (Macau) Limited ......................... 29 ............ Macau Ogden Asia Pacific Holding Limited ................................... 100 ............ British Virgin Islands Ogden Aviation (Asia Pacific) Limited ......................... 80.1 .......... British Virgin Islands Ogden Aviation (Hong Kong) Limited ....................... 100 ............ Hong Kong Ogden Aviation Services (NZ) Limited ................................. 100 ............ New Zealand .............. 156 Ogden International Facilities Corporation (Asia Pacific) Pty Ltd. ... 100 ............ Australia ................ 172 Ogden International Facilities Corporation (Australia) Pty Ltd. ... 100 ............ Australia International Facilities Corporation (Cairns) Pty Ltd. ......... 100 ............ Australia International Facilities Corporation (NZ) Pty Ltd. ............. 100 ............ New Zealand .............. 156 International Facility Corporation (Newcastle) Ltd. ............ 100 Australia International Facility Corporation (Hong Kong) Pty Ltd. ........ 100 ............ Hong Kong International Facility Corporation (Brisbane) Pty Ltd. ......... 100 ............ Australia International Facility Corporation (Sydney) Pty Ltd. ........... 100 ............ Australia International Facility Corporation (Sydney Arena) .............. 100 ............ Australia International Facility Corporation (Melbourne) ................. 100 ............ Australia Ogden Aviation Services, Inc. .......................................... 100 ............ DE/U.S.A Ogden Aviation Service Company of New York, Inc. ..................... 100 ............ NY/U.S.A ................. 007 Ogden Ground Services, Inc. ................................... 100 ............ DE/U.S.A ................. 146 Air Aruba/Ogden Ground Services N.V ...................... 49 ............ Aruba Ogden Cargo Limited .................................................... 100 ............ U.K. Air Cargo Enterprises Limited ........................................ 50 ............ U.K. SkyCare Limited ...................................................... 100 ............ U.K. UTE No. 1 ............................................................ 30 ............ Spain UTE No. 2 ............................................................ 30 ............ Spain Ogden Central and South America, Inc. .................................. 100 ............ DE/U.S.A Americana Entertainment N.V .......................................... 100 ............ Aruba Ogden Argentina, S.A ................................................. 100 ............ Argentina Ogden Rural S.A ............................................... 50 ............ Argentina Ogden Aviation Services (Chile) Ltda ................................. 99 ............ Chile .................... 158 (1% held by Ogden Asia Pacific Services Inc.) ............ Aviation Services Leader S.A .................................. 100 ............ Chile .................... 185 Aeropuertos Dominicanos SigloXXI, S.A ................................ 100 ............ Dominican Rep. Ogden Aviation Services Dominicana, S.A .............................. 99 ............ Dominican Rep. TRUST ................................................................ 100 ............ Panama Ogden Aviation Services (Panama) Corp. ........................ 85 ............ Panama ................... 171 Ogden Services (Albrook) Corp. (MAG) ......................... 85 ............ Panama Ogden Aviation Services (Venezuela), S.A ............................. 100 ............ Venezuela ................ 168 Ogden Ground Services Caracas, C A ............................ 100 ............ Venezuela ................ 182 Ogden do Brazil Participacoes S/C Ltda. .............................. 100 ............ Brazil ................... 174 Ogden - Servicos de Atendimento Aeroterrestre Ltda. ("SERVAIR") 100 ............ Brazil Ogden Alimentos Comercio e Servicoes Ltda. .................... 100 ............ Brazil Ogden Ground Services, Inc. (St. Thomas) ............................ 100 ............ Virgin Islands ........... 155 Ogden Ground Services de Mexico, S.A. de C.V (formerly "SEITSA") .... 100 ............ Mexico ................... 150 Ogden Peru, S.R.L ................................................. 100 ............ Peru Ogden & Talma Aviation Services of Peru, S.A ............... 50 ............ Peru Ogden Saint Maarten Ground Services N.V ........................... 100 ............ Netherlands Antilles SEITSA Leasing, S.A. de C.V ...................................... 94.9 .......... Mexico ................... 183 Compania Legir S.A ................................................ 100 ............ Uruguay Irodel ........................................................ 100 ............ Uruguay Ogden Holdings S.A ....................................... 100* ........... Argentina *(11,999 shares owned by Irodel & 1 share by Legir) Casino Iguazu, S.A .................................. 100 ............ Argentina Menezul, S.A .................................................. 100 ............ Uruguay Ogden Aeropuertos R D , S.A ................................... 100 ............ Uruguay Modigold, S.A ................................................. 100 ............ Uruguay Ogden PSM Ltda ................................................ 50 ............ Brazil Ogden International Europe Inc. ......................................... 100 ............ DE/U S.A. ................ 164 Ogden Holdings B.V ............................................... 100 ............ Netherlands .............. 166 Financiere Transair, S.A ...................................... 94.72 ......... France Aeroporti Di Roma Handling S.p.A (ADR Handling) .............. 49 ............ Italy Ogden Bulgarian Aviation Services LTD (OBAS) .................. 84 ............ Bulgaria Ogden Aviation (Philippines) B.V .............................. 100 ............ Netherlands MacroAsia Aviation Services Corporation .................. 30 ............ Philippines Compania General de Sondeos CGS, S.A .......................... 100 ............ Spain .................... 191 Ogden Hellenic Aviation S.A ................................... 51 ............ Greece Czech-Ogden Airhandling s r o ................................. 75 ............ Czech .................... 162 Ogden Aviation (Schiphol) B.V ................................. 100 ............ Netherlands .............. 161 Ogden Cargo B.V .......................................... 100 ............ Netherlands Ogden Spain S.A ............................................... 100 ............ Spain1 .............. 59/A07568876 Ogden Entertainment Services Portugal, S.A .................... 100 ............ Portugal ................ 160 Ogden Entertainment Services Spain, S.A ....................... 100 ............ Spain Estadio Olimpico de Sevilla, S.A ......................... 15.9 ............ Spain Graecor Beteiligungsverwaltungs GmbH .......................... 100 ............ Austria Ogden Rhino Management Company Ltd. ...................... 50 ............ Isle of Man Ogden Holdings (Deutschland) GmbH ............................. 100 ............ Germany ................. 192 Ogden Allied Services GmbH ............................... 100 ............ Germany ................. 138 Ogden Aviation Services GmbH ............................. 100 ............ Germany ................. 193 Ogden Entertainment (Oberhausen) GmbH .................... 100 ............ Germany ................. 194 Ogden Tegel Verwaltungs GmbH (formerly DAN AIR Services GmbH) ....................................... 100 ............ Germany ................. 195 Tegel Aircraft Handling GmbH ........................ 100 ............ Germany ................. 196 Ogden Power Agua y Energia Torre Pacheco, S.A ................. 83.3 .......... Spain Ogden Romanian Aviation Services, S.A ......................... 85 ............ Romania Parque Isla Magica, S.A ........................................ 26.12 ......... Spain Ogden Services of Canada Inc. ........................................... 100 ............ Canada .................. 054 Cafas Inc. ........................................................ 100 ............ Canada .................. 028 Airconsol Aviation Services Ltd. - Les Services D'Aviation Airconsol Limitee ..................... 100 ............ Canada .................. 115 Ogden Ground Services (Canada) Ltd. .................... 100 ............ Canada Aircraft Services Limited ....................... 100 ............ Canada .................. 189 Consolidated Aviation Fueling of Toronto Limited .............. 100 ............ Ontario ................. 052 Ogden Facility Holdings, Inc. ............................................. 100 ............ DE/U S.A. Ogden Facility Services, Inc. .................................... 100 ............ DE/U.S.A. Ogden Servicios de Seguridad, S.A .......................... 100 ............ Costa Rica Ogden Aviation Services Limited ............................................ 100 ............ U.K. ........... 186/2176414259610 ** Ogden Aviation Engineering Limited ..................................... 100 ............ U.K. .................... 188 Ogden Entertainment Services (UK) Ltd. ................................. 100 ............ U.K. .................... 015 Ogden Ice Hockey Limited ........................................ 100 ............ U.K. Ice Hockey Super League Ltd. .............................. 12.5 .......... U.K. Manchester Storm, Ltd. .................................... 100 ............ U.K. Hallogen, Ltd. .................................................. 50 ............ U.K. Company % Domestic Co. Code/ - ------- Ownership State/Country E.I.N. --------- ------------- ------ Ogden Entertainment, Inc. ........................................... 100 .......... DE/U.S.A. Culemburg Metropole Casino (Proprietary) Limited ................... 100 .......... South Africa Alls Fair Investments (Proprietary) Limited ........................ 100 .......... South Africa Ogden Entertainment Services (Canada) Inc. - Services de Divertissements Ogden (Canada) Inc. .................. 100 .......... Canada ......... 012 Ogden Gaming of Ontario, Inc. ................................... 100 .......... Canada Diamond Gaming of Ontario, Inc. ........................... 45 ........... Canada Ogden Palladium Services (Canada) Inc. .......................... 100 .......... Canada Ogden Entertainment Services de Mexico, S.A. de C.V ............... 100 .......... Mexico Servicios de Alimentos Bebidas Especializados, S.A. de CV ......... 100 .......... Mexico Ogden Park Management, Inc. ........................................ 100 .......... DE Wet `n Wild International, Inc. ................................. 100 .......... NV Wet `n Wild Do Brasil, Ltda .................................. 100 .......... Brasil Wet `n Wild Metodo Operadora se Parques ...................... 50 ........... Brasil Wet `n Wild Ribeirao Preto, Ltda ............................. 100 .......... Brasil ** COMPANY HAS BEEN SOLD DURING THE MONTH OF NOVEMBER ATTACHMENT B OGDEN ENERGY GROUP, INC - U S AND FOREIGN SUBSIDIARIES LIST PERCENT COMPANY OWNERSHIP INCORP E.I.N. - ------- --------- ------ ------ Ogden Energy Group, Inc. ................................................... 100 ............ Delaware ....... 13-3939460 OGDEN ENERGY GROUP DO BRASIL LTDA ....................................... 100(f) ......... BRAZIL ......... 02.310.557/0001-54 Ogden Projects, Inc. .................................................... 100 ............ Delaware ....... 13-3213657 Ogden Energy, Inc. ...................................................... 100 ............ Delaware ....... 22-3405522 OGDEN MADHYA PRADESH OPERATING PRIVATE LIMITED ....................... 100 ............ INDIA .......... NA OGDEN PHILIPPINES OPERATING, INC ..................................... 100 ............ CAYMAN ISLANDS . NA Ogden Energy West, Inc. ............................................... 100 ............ Delaware ....... NA Ogden Energy Sao Jeronimo, Inc. ..................................... 100 ............ Delaware ....... NA MECARIL S.A .................................................. 100 ............ URUGUAY ........ NA Ogden Power Corporation ............................................. 100 ............ Delaware ....... 54-1732981 Geothermal, Inc. ................................................. 100 ............ Virginia ....... 54-1504703 Imperial Power Services, Inc. .................................... 100 ............ California ..... 95-3677245 New Martinsville Hydro-Operations Corporation .................... 100 ............ West Virginia .. 31-1275468 Ogden Brandywine Operations, Inc. ................................ 100 ............ Delaware ....... 54-1740297 Ogden Geothermal Operations, Inc. ................................ 100 ............ Delaware ....... 54-1607228 Ogden Hydro Operations, Inc. ..................................... 100 ............ Tennessee ...... 52-1661862 Ogden Oil & Gas, Inc. ............................................ 100 ............ Delaware ....... 54-1734589 Ogden Power Equity Corporation ................................... 100 ............ Delaware ....... 54-1504746 Catalyst New Martinsville Hydroelectric Corporation .......... 100 ............ Delaware ....... 13-3372123 ERC Energy, Inc. ............................................. 100 ............ Delaware ....... 54-1523295 Heber Loan Partners ......................................... Heber Geothermal Co ...................................... Ogden Heber Field Energy, Inc. ............................... 100 ............ Delaware ....... 54-1611569 Ogden Heber Field Co ......................................................................... Ogden Hydro Energy, Inc. ..................................... 100 ............ Delaware ....... 54-1606911 Ogden Power International Holdings, Inc. .............................. 100 ............ Delaware ....... 54-1742808 EDISON BATAAN COGENERATION CORPORATION ............................ 100 ............ PHILIPPINE ..... NA HIDRO OPERACIONES DON PEDRO S.A ................................... 100 ............ COSTA RICA ..... NA ISLAND POWER CORPORATION .......................................... 40(d) ......... PHILIPPINE ..... NA HUNGARIAN-AMERICAN GEOTHERMAL LIMITED LIABILITY COMPANY ........... 37.5(g) ........ HUNGARY ........ NA LINASA COGENERACION Y ASOCIADOS, S L .............................. 50(e) ......... SPAIN .......... B30556484 OGDEN ENERGY INDIA INVESTMENTS LTD .............................. 100 ............ MAURITIUS ...... NA OGDEN CHINESE INVESTMENTS LTD ................................ 100 ............ MAURITIUS ...... 98-0183946 OGDEN ENERGY CHINA (ALPHA) LTD ............................. 100 ............ MAURITIUS ...... 98-0183947 OGDEN ENERGY CHINA (BETA) LTD .............................. 100 ............ MAURITIUS ...... 98-0183949 OGDEN ENERGY CHINA (DELTA) LTD ............................. 100 ............ MAURITIUS ...... 98-0183951 OGDEN ENERGY CHINA (GAMMA) LTD ............................. 100 ............ MAURITIUS ...... 98-0183952 OGDEN ENERGY OF BONGAIGAON PRIVATE LIMITED ................... 100 ............ INDIA .......... N/A OGDEN ENERGY INDIA (CBM) LIMITED ............................. 100 ............ MAURITIUS ...... NA OGDEN TAIWAN INVESTMENTS LIMITED ............................. 100 ............ MAURITIUS ...... NA OGDEN ENERGY PHILIPPINE HOLDINGS, INC ............................. 100 ............ PHILIPPINES .... NA OPI Quezon, Inc. .................................................. 100 ............ Delaware ....... 13-3670144 OGDEN POWER DEVELOPMENT - CAYMAN, INC ...................... 100 ............ CAYMAN ISLANDS NA QUEZON POWER, INC (NEW DVLPMNT. CO.) ................. 27.5(b) ....... CAYMAN ISLANDS NA (f/k/a OGDEN QUEZON POWER, INC - OLD DVLPMNT. CO.) Ogden Power Development, Inc. ................................. 100 ............ Delaware ....... 13-3662254 Ogden Power Development of Bolivia, Inc. ............... 100 ............ Delaware ....... 13-3852464 OPDB, LTD ........................................ 100 ............ CAYMAN ISLANDS NA OGDEN ENERGY ASIA PACIFIC LIMITED ............................. 100(a) ......... HONG KONG ...... NA (f/k/a OGDEN PROJECTS ASIA PACIFIC LIMITED) Ogden Power Pacific, Inc. (f/k/a Pacific Energy) ................... 100 ............ California ..... 95-3845189 Burney Mountain Power ...................................... 100 ............ California ..... 94-3149256 Mammoth Geothermal Company ................................. 100 ............ California ..... 95-4311279 Mammoth Power Company ...................................... 100 ............ California ..... 95-4484066 Mt. Lassen Power ........................................... 100 ............ California ..... 94-3149255 Ogden Power Plant Operations ............................... 100 ............ California ..... 95-4497795 (f/k/a Pacific Power Plant Operations) Pacific Energy Resources Incorporated ...................... 100 ............ California ..... 95-3499702 Pacific Geothermal Company ................................. 100 ............ California ..... 95-3950189 Pacific Hydropower Company ................................. 100 ............ California ..... 95-3734859 Pacific Oroville Power, Inc. ............................... 100 ............ California ..... 95-3987027 Pacific Penobscot Power Company ............................ 100 ............ Maine ........... 85-4055394 PERCENT COMPANY OWNERSHIP INCORP E.I.N. - ------- --------- ------ ------ Ogden Energy Group, Inc. (cont.) Ogden Projects, Inc. (cont.) Pacific Recovery Corporation ........................... 100 ........... California .... 95-4080088 Pacific Wood Fuels Company ............................. 100 ........... California .... 95-4046356 Pacific Wood Services Company .......................... 100 ........... California .... 95-4497794 Penstock Power Company ................................. 100 ........... California .... 95-4250440 8309 Tujunga Avenue Corp ............................... 100 ........... California .... 95-4130759 Ogden Rosemary Operations, Inc. ................................. 100 ........... Delaware ...... 22-3433655 Ogden SIGC Energy, Inc. ......................................... 100 ........... Delaware ...... 54-1742810 AMOR 14 Corporation .................................... 100 ........... Delaware ...... 88-0243401 Ogden SIGC Energy II, Inc. ...................................... 100 ........... California .... 54-1742553 Ogden SIGC Geothermal Operations, Inc. .......................... 100 ........... California .... 54-1645557 Three Mountain Power, LLC ....................................... 100 ........... Delawaare ..... 22-3604711 Ogden Environmental and Energy Services Co , Inc. .......................... 100 ........... Delaware ...... 52-1594168 Analytical Technologies, Inc. ............................................ 100 ........... Delaware ...... 95-3705905 G A Technical Services, Inc. ...................................... 100 ........... Tennessee ..... 62-1238177 Multiple Dynamics Corporation ............................................ 100 ........... Michigan ...... 38-2278155 Ogden Environmental and Energy Services Co , Inc. of Ohio ............... 100 ........... Ohio .......... 31-1357919 Ogden Environmental and Engineering Services Co , Inc. ................... 100 ........... North Carolina 56-0840101 Ogden Environmental Federal Services Co , Inc. ........................... 100 ........... Delaware ...... 54-1694984 (f/k/a Ogden Environmental Services Alaska Co , Inc.) Ogden Engineering and Construction, Inc. ................................. 100 ........... Florida ....... 59-2661991 (f/k/a Ogden Remediation Services Co , Inc.) OGDEN UMWELT UND ENERGIE SYSTEME GMBH .................................... 100 ........... GERMANY ....... NA IEAL ENERGIE & UMWELT CONSULT, GMBH ............................... 100 ........... GERMANY ....... NA OLMEC INSURANCE, LTD ...................................................... 100 ........... BERMUDA ....... NA Ogden Martin Operations of Union, LLC ...................................... 100(i) ........ New Jersey .... 22-3596572 Ogden Waste to Energy, Inc. ................................................ 100 ........... Delaware ...... 13-3871973 Ogden Energy Resource Corp .............................................. 100 ........... Delaware ...... 63-0837475 Ogden Martin Systems, Inc. .............................................. 100 ........... Delaware ...... 13-3162629 Ogden Engineering Services, Inc. ................................. 100 ........... New Jersey .... 13-3284896 Ogden Marion Land Corp ........................................... 100 ........... Oregon ........ 13-3369730 Ogden Martin Systems of Alexandria/Arlington, Inc. ............... 100 ........... Virginia ...... 58-1594213 OMS Equity of Alexandria/Arlington, Inc. ......................... 100 ........... Virginia ...... 13-3389573 Ogden Martin Systems of Babylon, Inc. ............................ 100 ........... New York ...... 13-3246689 Ogden Martin Systems of Bristol, Inc. ............................ 100 ........... Connecticut ... 13-3246723 Ogden Martin Systems of Clark, Inc. .............................. 100 ........... Ohio .......... 11-3140377 OMSC One, Inc. ................................................... 100 ........... Delaware ...... 13-3690804 OMSC Two, Inc. ................................................... 100 ........... Delaware ...... 13-3690801 OMSC Three, Inc. ................................................. 100 ........... Delaware ...... 13-3690806 OMSC Four, Inc. .................................................. 100 ........... Delaware ...... 13-3690807 Ogden Martin Systems of Fairfax, Inc. ............................ 100 ........... Virginia ...... 13-3410434 Ogden Martin Systems of Haverhill, Inc. .......................... 100 ........... Massachusetts . 13-3375647 Haverhill Power, Inc. ................................... 100 ........... Massachusetts . 04-2908628 LMI, Inc. 100 .............................................. Massachusetts 04-2943947 Ogden Omega Lease, Inc. ................................. 100 ........... Delaware ...... 13-3028120 Ogden Haverhill Properties, Inc. ................................. 100 ........... Massachusetts . 13-3382130 Ogden Martin Systems of Hillsborough, Inc. ....................... 100 ........... Florida ....... 13-3228206 Ogden Martin Systems of Huntington, Inc. ......................... 100 ........... New York ...... 13-3394817 Ogden Martin Systems of Huntington Resource Recovery One Corp .... 100 ........... Delaware ...... 06-1260495 Ogden Martin Systems of Huntington Resource Recovery Two Corp .... 100 ........... Delaware ...... 06-1260497 Ogden Martin Systems of Huntington Resource Recovery Three Corp .. 100 ........... Delaware ...... 06-1260498 Ogden Martin Systems of Huntington Resource Recovery Four Corp ... 100 ........... Delaware ...... 06-1260489 Ogden Martin Systems of Huntington Resource Recovery Five Corp ... 100 ........... Delaware ...... 06-1260492 Ogden Martin Systems of Huntington Resource Recovery Six Corp .... 100 ........... Delaware ...... 13-3629151 Ogden Martin Systems of Huntington Resource Recovery Seven Corp .. 100 ........... Delaware ...... 13-3631168 Ogden Martin Systems of Huntsville, Inc. ......................... 100 ........... Alabama ....... 13-3456026 Ogden Martin Systems of Indianapolis, Inc. ....................... 100 ........... Indiana ....... 13-3977970 Ogden Martin Systems of Kent, Inc. ............................... 100 ........... Michigan ...... 13-3369158 NRG/Recovery Group, Inc. (f/k/a Ogden Martin Systems of Lake, Inc.) ............................................................ 100 ........... Florida ....... 13-3482491 Ogden Martin Systems of Lancaster, Inc. .......................... 100 ........... Pennsylvania .. 13-3408215 PERCENT COMPANY OWNERSHIP INCORP E.I.N. - ------- --------- ------ ------ Ogden Energy Group, Inc. (cont.) Ogden Projects, Inc. (cont.) Ogden Martin Systems of Lawrence, Inc. ................................... 100 ......... Massachusetts ..... 13-3714674 Ogden Martin Systems of Lee, Inc. ........................................ 100 ......... Florida ........... 13-3557826 Ogden Martin Systems of Long Island, Inc. ................................ 100 ......... Delaware .......... 11-3081090 Ogden Martin Systems of Marion, Inc. ..................................... 100 ......... Oregon ............ 91-1246805 Ogden Martin Systems of Mercer, Inc. ..................................... 100 ......... New Jersey ........ 13-3431734 Ogden Martin Systems of Montgomery, Inc. ................................. 100 ......... Maryland .......... 13-3547268 Ogden Martin Systems of Onondaga, Inc. ................................... 100 ......... New York .......... 13-3528458 Ogden Martin Systems of Onondaga Two Corp ................................ 100 ......... Delaware .......... 13-3690841 Ogden Martin Systems of Onondaga Three Corp .............................. 100 ......... Delaware .......... 13-3690843 Ogden Martin Systems of Onondaga Four Corp ............................... 100 ......... Delaware .......... 13-3690838 Ogden Martin Systems of Onondaga Five Corp ............................... 100 ......... Delaware .......... 13-3684127 OMS Onondaga Operations, Inc. ............................................ 100 ......... Delaware .......... 13-3714674 Ogden Martin Systems of Pasco, Inc. ...................................... 100 ......... Florida ........... 13-3447536 Ogden Martin Systems of San Bernardino, Inc. ............................. 100 ......... California ........ 13-3397879 Ogden Martin Systems of Stanislaus, Inc. ................................. 100 ......... California ........ 13-3315310 OMS Equity of Stanislaus, Inc. ........................................... 100 ......... California ........ 13-3436232 Ogden Martin Systems of Tampa, Inc. ...................................... 100 ......... Florida ........... 22-3603324 Ogden Martin Systems of Tulsa, Inc. ...................................... 100 ......... Oklahoma .......... 13-3203172 Ogden Martin Systems of Union, Inc. ...................................... 100 ......... New Jersey ........ 13-3323867 OGDEN WASTE TO ENERGY, Ltd. (Formerly Ogden Martin Systems, Ltd.) ....... 100 ......... ONTARIO ........... NA OGDEN MARTIN SYSTEMS OF NOVA SCOTIA, LTD ........................ 100 ......... NOVA SCOTIA ....... NA Ogden Projects of Haverhill, Inc. ........................................... 100 ......... Massachusetts ..... 13-3522006 Ogden Wallingford Associates, Inc. .......................................... 100 ......... Connecticut ....... 13-3494166 OGDEN WASTE TO ENERGY ASIA INVESTMENTS ...................................... 100 ......... MAURITIUS ......... NA Ogden Waste to Energy of Italy, Inc. 100 ......... Delaware .......... 22-3564096 AMBIENTE 2000 S.r.l .................................................. 40(h) ....... ITALY ............. NA Ogden Waste Treatment Services, Inc. ........................................ 100 ......... Delaware .......... 13-3362679 Ogden Waste Solutions, Inc. .......................................... 100 ......... Delaware .......... 22-3557169 Ogden Waste Treatment Services USA, Inc. .................................... 100 ......... Delaware .......... 13-3940678 OPW Associates, Inc. ........................................................ 100 ......... Connecticut ....... 13-3487064 OPWH, Inc. .................................................................. 100 ......... Delaware .......... 13-3592054 RRS Holdings Inc. ........................................................... 100 ......... Delaware .......... 13-3697005 Michigan Waste Energy, Inc. .............................................. 100 ......... Delaware .......... 06-1331600 Oahu Waste Energy Recovery, Inc. ......................................... 100 ......... California ........ 95-2638052 Ogden Projects of Hawaii, Inc. ........................................... 100 ......... Hawaii ............ 99-0230284 Resource Recovery Systems of Connecticut, Inc. ........................... 100 ......... Connecticut ....... 13-3696927 OPI CARMONA LIMITED ......................................................... 100 ......... CAYMAN ISLANDS .... NA OPI CARMONA ONE LIMITED ..................................................... 100 ......... CAYMAN ISLANDS .... NA Ogden Energy Engineering, Inc. (f/k/a Ogden Projects Americas, Inc.) ......... 100 ......... Delaware .......... 13-3795624 Ogden Projects Holdings, Inc. ................................................. 100 ......... Delaware .......... 13-3640508 Ogden Water Holdings, Inc. .................................................... 100 ......... Delaware .......... 13-3779130 Ogden Water Systems, Inc. .................................................. 100 ......... Delaware .......... 13-3756577 Ogden Yorkshire Acquisition, Inc. ..................................... 100 ......... Delaware .......... 13-3806665 Cunningham Environmental Support, Inc. ....................... 100 ......... New York .......... 16-1386872 Ogden Yorkshire Water of Bessemer, Inc. ............................... 100 ......... Delaware .......... 22-3405521 OGDEN YORKSHIRE WATER OF CANADA, Ltd. ................................. 100 ......... ONTARIO ........... NA Ogden Yorkshire Water of Taunton, Inc. ................................ 100 ......... Massachusetts ..... 22-3481731 OGDEN WATER SYSTEMS OF CANADA, LTD (f/k/a OGDEN PROJECTS OF HAMILTON, Ltd. ) . 100 ......... ONTARIO ........... NA Yorkshire USA, Inc. ........................................................... 100(c) ...... Delaware .......... 51-0354748 (a) OGDEN ENERGY ASIA PACIFIC LIMITED'S STOCK IS OWNED 50% BY OGDEN PROJECTS, INC. AND 50% BY OGDEN POWER DEVELOPMENT, INC. (b) QUEZON POWER, INC. (NEW DEVELOPMENT COMPANY) IS OWNED 27.5% BY OGDEN POWER DEVELOPMENT - CAYMAN, INC. , AND 72.5% BY QUEZON GENERATING COMPANY, Ltd. (c) YORKSHIRE USA, INC. WAS ACQUIRED BY OGDEN PROJECTS, INC. WHEN YORKSHIRE WATER TERMINATED ITS INVOLVEMENT AS A DIRECT PARTICIPANT IN THE VENTURE (d) 40% OF THE STOCK OF ISLAND POWER CORPORATION IS OWNED BY OGDEN POWER INTERNATIONAL HOLDINGS, INC AND 60% IS OWNED BY VARIOUS STOCKHOLDERS (e) 50% OF THE STOCK OF LINASA COGENERACION Y ASOCIADOS, S.L. IS OWNED BY OGDEN POWER INTERNATIONAL HOLDINGS, INC, AND 50% IS OWNED BY INDUSTRIA JABONERA LINA, S.A. (f) 50% OF THE STOCK OF OGDEN ENERGY GROUP DO BRASIL LTDA IS OWNED BY OGDEN ENERGY GROUP, INC. AND 50% BY OGDEN PROJECTS, INC OGDEN ENERGY GROUP, INC. IS THE MANAGEMENT COMPANY (g) 37.5% OF THE STOCK OF HUNGARIAN-AMERICAN GEOTHERMAL LIMITED LIABILITY COMPANY IS OWNED BY OGDEN POWER INTERNATIONAL HOLDINGS, INC., 37.5 % IS OWNED BY DAVENPORT POWER, L.L.C. AND 25% IS OWNED BY MOL MAGYAR OLAU-ES G_ZIPARI RT (h) 40% OF THE STOCK OF AMBIENTE 2000 S.R.L. IS OWNED BY OGDEN WASTE TO ENERGY OF ITALY, INC. AND 60% IS OWNED BY ECOSESTO S.p.a.. (i) 99% OF THE STOCK OF OGDEN MARTIN OPERATIONS OF UNION LLC IS OWNED BY OGDEN PROJECTS, INC. AND 1% IS OWNED BY OGDEN WASTE TO ENERGY, INC.