1
Exhibit 21
ORGANIZATION CHART - AS AT APRIL 15, 1999
COMPANY OWNERSHIP JURISDICTION
Philip Services Corp. Ontario
2766906 Canada Inc. 100% Canada
721646 Alberta Ltd. 100% Alberta
Arc Dust Processing (Barbados) Limited 100% Barbados
Allwaste of Canada Ltd. 100% Ontario
Caligo Partnership 90% Ontario
Caligo Reclamation Ltd. 100% Ontario
Caligo Partnership 10% Ontario
Cecatur Holdings 1% Ireland
Philip Services (Delaware) L.L.C. 100% Delaware
Luntz Corporation 80% Delaware
Luntz Acquisition (Delaware) Corporation 100% Delaware
21st Century Environmental Management, Inc. 100% Delaware
21st Century Environmental Management, Inc. of Nevada 100% Nevada
21st Century Environmental Management, Inc. of Puerto Rico 100% Delaware
21st Century Environmental Management, Inc. of Rhode 100% Rhode Island
Island
Chemical Pollution Control, Inc. of Florida 100% Florida
Chemical Pollution Control, Inc. of New York 100% New York
Northland Environmental, Inc. 100% Delaware
RESI Acquisition (Delaware) Corporation 100% Delaware
Chem-Freight, Inc. 100% Ohio
Republic Environmental Recycling (New Jersey), Inc. 100% New Jersey
Republic Environmental Systems (Pennsylvania), Inc. 100% Pennsylvania
Republic Environmental Systems (Technical Services Group), Inc. 100% New Jersey
Republic Environmental Systems (Transportation Group), Inc. 100% Pennsylvania
Philip Enterprises Inc./Les Entreprises Philip Inc. 100% Ontario
1195613 Ontario Limited 100% Ontario
1233793 Ontario Inc. 100% Ontario
2842-7979 Quebec Inc. 100% Quebec
800151 Ontario Inc. 100% Ontario
842578 Ontario Limited 100% Ontario
912613 Ontario Ltd. 100% Ontario
Cecatur Holdings 99% Ireland
Philip Services (Delaware) L.L.C. 100% Delaware
Fercyco & Partners 33%
Fercyco Incorporated 50% Ontario
Fercyco & Partners 33%
Fers et Meteaux Recycles Ltd. 50% Quebec
K-Scrap Resources Inc. 42% Ontario
Luntz Corporation 19% Delaware
Phencorp International Finance Inc. 100% Ireland
Phencorp International B.V. 100% Netherlands
Philip Services (Netherlands) B.V. 100% Netherlands
(formerly Philip Services (Netherlands) B.V.)
P.S.C. Philip Services Iberica, S.L. 100% Spain
Philip Services (Europe) Limited 100% U.K.
Allied Metals Limited 100% U.K.
Arc Dust processing (UK) Limited 33% U.K.
B.M. Metals (Recycling) Ltd. 100% U.K.
Bath Reclamation (Avonmouth) Co. Limited 100% U.K.
Blackbushe Limited 100% U.K.
- 1 -
2
ORGANIZATION CHART - AS AT APRIL 15, 1999
COMPANY OWNERSHIP JURISDICTION
Blackbushe Metals (Western) Limited 100% U.K.
Elliott Metal Company Limited 100% U.K.
Southern Hauliers Limited 100% U.K.
T.C. Fraser Metals Limited 75% U.K.
Cardiff Facility Company Limited 50% U.K.
E. Pearse (Holdings) Limited 100% U.K.
E. Pearse & Co. Limited 100% U.K.
C. Phillip and Sons (Bristol) Limited 100% U.K.
Mayer Pearse Limited 100% U.K.
Widsite Limited 100% U.K.
Philip Cardiff Facility Company Limited 50% U.K.
Philip Metals (Europe) Limited 100% U.K.
Philip Services (Delaware), Inc. 100% Delaware
Philip Industrial Services (USA), Inc. 100% Texas
Cousins Waste Control Corporation 100% Ohio
(formerly Cousins Waste Control Corporation)
Nortru Inc. 100% Michigan
Allworth Inc. 100% Alabama
Chemical Reclamation Service, Inc. 100% Texas
Philip Reclamation Services, Houston, Inc. 100% Texas
(formerly Philip Reclamation Services,
Houston, Inc.)
Southeast Environmental Services, Inc. 100% Texas
CyanoKEM, Inc. 100% Michigan
Nortru, Ltd. 100% Ontario
Philip MPS Industrial Services, L.L.C. 51% Delaware
Rho-Chem Corporation 100% California
Sessa, S.A. de C.V. 100% Mexico
ThermalKEM, Inc. 100% Delaware
Philip Environmental of Idaho Corporation 100% Delaware
(formerly Philip Environmental of Idaho Corporation)
Philip Environmental Washington Inc. 100% Washington
Burlington Environmental Inc. 100% Delaware
Burlington Environmental Inc. 100% Washington
(formerly Chemical Processors Inc.)
Resource Recovery Corporation 100% Washington
Termco Corporation 100% Washington
Gasoline Tank Service Company 100% Washington
Inc.
Philip Environmental Services Corporation 100% Missouri
(formerly Burlington Environmental Inc.)
Solvent Recovery Corporation 100% Missouri
Philip Industrial Services Group, Inc. 100% Delaware
(formerly Allwaste, Inc.)
ALRC, Inc. 100% Delaware
APLC, Inc. 100% Delaware
Allwaste Asbestos Abatement Holdings, Inc. 100% Delaware
(formerly Combined Waste Services, Inc.)
Allwaste Asbestos Abatement, Inc. 100% Delaware
Allwaste Asbestos Abatement of New England, 100% Massachusetts
Inc.
Oneida Asbestos Removal, Inc. 100% New York
Oneida Asbestos Abatement, Inc. 100% Delaware
Allwaste Tank Cleaning, Inc. 100% Georgia
(formerly Atlanta Truck Wash)
Allwaste Railcar Cleaning, Inc. 100% Delaware
- 2 -
3
ORGANIZATION CHART - AS AT APRIL 15, 1999
COMPANY OWNERSHIP JURISDICTION
Allwaste Recovery Systems, Inc. 100% Georgia
(formerly Allwaste Services of Georgia, Inc)
Georgia Recovery Systems 7% Georgia
GRS/Lake Charles, Ltd. 50% Louisiana
Georgia Recovery Systems 92% Georgia
GRS/Lake Charles, Ltd. 50% Louisiana
Georgia Recovery Systems 92% Georgia
Caligo Reinigungages m.b.H. 100% Austria
Philip Environmental Services, Inc. 100% Delaware
(formerly Allwaste Environmental Services, Inc.)
Ace/Allwaste Environmental Services of 100% Illinois
Indiana, Inc.
(formerly Ace Power Rodding Corporation)
All Safety and Supply, Inc. 100% Texas
(formerly Wildwood Sporting Goods &
Taxidermy, Inc.)
AllScaff, Inc. 100% Tennessee
(formerly Southern Scaffold, Inc.)
Allwaste Environmental Services/North 100% Illinois
Central, Inc.(ILLINOIS CORP - FOR UNION
PURPOSES ONLY)
Allwaste Servicios Industriales de Control 60% Mexico
Ecologico S.A. de C.V.
Allwaste Tank Services S.A. de C.V. 60% Mexico
Allwaste Texquisition Inc. 100% Texas
(formerly Allwaste Texquisition, Inc.)
BEC/Philip, Inc. 100% Alabama
(formerly BEC/Philip, Inc.)
Caligo de Mexico, S.A. de C.V. 99% Mexico
Industrial Construction Services Co., Inc. 100% Alabama
(formerly Coal Construction, Inc.)
James & Luther Services, Inc. 100% Delaware
Allwaste Services of El Paso, Inc. 100% Delaware
Jesco Industrial Service, Inc. 100% Kentucky
Philip Automotive, Ltd. 100% Pennsylvania
(formerly Philip Automotive, Ltd.)
Deep Clean, Inc. 100% Michigan
Philip Services Hawaii, Ltd. 100% Hawaii
(formerly Allwaste of Hawaii, Ltd.)
Philip Industrial Services of Texas, Inc. 100% Texas
(formerly Allwaste Services of Port Arthur,
Inc.)
Philip Services/Louisiana, Inc. 100% Louisiana
(formerly Allwaste Services of New Orleans)
Philip Mid-Atlantic, Inc. 100% Maryland
(formerly Clean America, Inc.)
Philip Services/Missouri, Inc. 100% Delaware
(formerly Philip Services/Missouri, Inc.)
Philip Services/Mobile, Inc. 100% Alabama
(formerly Philip Services/Mobile, Inc.)
Philip Services/North Atlantic, Inc. 100% Delaware
(formerly Allwaste Environmental
Services/North Atlantic, Inc.)
Philip Services/North Central, Inc.. 100% Iowa
(formerly Allwaste Environmental
Services/North Central, Inc.)
Philip Services/Ohio, Inc. 100% Ohio
(formerly Allwaste Environmental Services
of Ohio, Inc.)
Philip Oil Recycling, Inc. 100% North Dakota
(formerly Oil Recycling, Inc.)
Philip Services/Oklahoma, Inc. 100% Oklahoma
(formerly Allwaste Environmental Services
of Oklahoma, Inc.)
Philip Plant Services, Inc. 100% Delaware
- 3 -
4
ORGANIZATION CHART - AS AT APRIL 15, 1999
COMPANY OWNERSHIP JURISDICTION
(formerly Allwaste Intermountain Plant
Services, Inc.)
Philip Scaffold Corporation 100% Colorado
(formerly AllScaff, Inc.)
Philip Services/Atlanta, Inc. 100% Georgia
(formerly Philip Services/Atlanta, Inc.)
Philip Services/Southwest, Inc. 100% Arizona
(formerly Philip Services/Southwest, Inc.)
Philip Services South Central, Inc.. 100% Colorado
(formerly Allwaste Environmental
Services/South Central, Inc.)
Philip West Industrial Services, Inc. 100% California
(formerly Industrial Hydro-Chem Services,
Inc.)
Philip Transportation and 100% California
Remediation, Inc.
(formerly Allwaste Transportatin and
Remediation, Inc.)
Philip/J.D. Meagher, Inc. 100% Massachusetts
(formerly Philip/J.D. Meagher, Inc.)
Philip/Whiting, Inc. 100% Delaware
(formerly Philip/Whiting, Inc.)
PSC Enterprises, Inc. 100% Delaware
Allies Staffing, Inc. 100% Delaware
Allies Staffing Ltd. 100% Ontario
Allquest Capital, Inc. 100% Delaware
Allquest Compression Services L.L.C. 50% Delaware
HydroServe Westlake, L.L.C. 50% Delaware
Philip ST, Inc. 100% Texas
(formerly Serv-Tech, Inc.)
Philip Chemisolv Holdings, Inc. 100% Delaware
(formerly Philip Chemisolv Holdings)
Chemisolv Limited 100% U.K.
Nutrisolv Ireland Ltd. 100%
Philip Chemi-Solv, Inc. 100% Texas
(formerly Philip Chemi-Solv, Inc.)
DM Acquisition Corporation 100% Nevada
Delta Maintenance, Inc. 100% Louisiana
Dotspec Ltd. 100% U.K.
Industrial Services Technologies, Inc. 100% Colorado
Advanced Environmental Systems, Inc. 100% Colorado
Advanced Energy Corporation 100% Colorado
International Catalyst, Inc. 100% Nevada
IST Holding Corp. 100% Colorado
Chem-Fab, Inc. 100% Texas
Piping Holdings Corp. 100% Oklahoma
Piping Companies, Inc. 100% Oklahoma
Piping Mechanical Corp. 100% Colorado
Hydro-Engineering & Service, 100% Texas
Inc.
Mac-Tech, Inc. 100% Texas
Serv-Tech de Mexico, S. de R.L. 95% Mexico
Serv-Tech Mexicana, s. de R.L. 95% Mexico
Serv-Tech de Mexico, S. de R.L. 5% Mexico
Petrochem Field Services de Venezuela, S.A. 70% Venezuela
Philip Enterprise Service Corporation 100% North Carolina
(formerly Philip Enterprise Service Corporation)
Philip Mechanical Services of Louisiana, Inc. 100% Louisiana
(formerly Philip Mechanical Services of Louisiana,
Inc.)
Philip Refractory and Corrosion Corporation 100% Nevada
(formerly Hartney Industrial Services Corporation)
- 4 -
5
ORGANIZATION CHART - AS AT APRIL 15, 1999
COMPANY OWNERSHIP JURISDICTION
Hartney Corporation 100% Nevada
Philip Corrision Services, Inc. 100% Nevada
(formerly Philip Refractory
Services, Inc.)
Total Refractory Systems, Inc. 100% Nevada
United Industrial Materials, Inc. 100% Nevada
Philip Refractory Services, Inc. 100% Nevada
(formerly Philip Refractory Services, Inc.)
Philip ST Piping, Inc. 100% Texas
(formerly Philip ST Piping, Inc.)
Philip Technical Services, Inc. 100% Texas
(formerly Philip Technical Services, Inc.)
Philip/SECO Industries, Inc. 100% Louisiana
(formerly Philip/SECO Industries, Inc.)
TIPCO Acquisition Corp. 100% Texas
PRS Holding, Inc. 100% Texas
Philip Petro Recovery Systems, Inc. 100% Texas
(formerly Philip Petro Recovery Systems,
Inc.)
Serv-Tech EPC, Inc. 100% Nevada
Petrochem Field Services de Venezuela, S.A. 30% Venezuela
Serv-Tech Construction and Maintenance, Inc. 100% Texas
(formerly Serv-Tech EPC-Houston, Inc.)
Serv-Tech Engineers, Inc. 100% Louisiana
F.C. Schaffer & Associates, Inc. 100% Louisiana
(formerly F.C. Schaffer &
Associates, Inc.)
Serv-Tech Europe GMBH 100% Germany
Refinery Maintenance International Limited 100% U.K.
Serv-Tech International Sales, Inc. 100% Virgin Islands
Serv-Tech Mexicana, s. de R.L. 5% Mexico
Serv-Tech de Mexico, S. de R.L. 5% Mexico
Serv-Tech of New Mexico, Inc. 100% New Mexico
Serv-Tech Services, Inc. 100% Texas
Serv-Tech Sudamericana, S.A. 98% Venezuela
ServTech Canada, Inc. 100% Canada
ST Delta Canada 100% Ontario
Terminal Technologies, Inc. 100% Texas
RMF Global, Inc. 100% Ohio
(formerly Philip Environmental Services Acquisition
Corporation)
RMF Industrial Contracting, Inc. 100% Michigan
RMF Environmental, Inc. 100% Ohio
Philip Metals (USA), Inc. 100% Ohio
D & L, Inc. 100% Pennsylvania
Intermetco US Inc. 100% Michigan
Butco Inc. 100% New York
Alltift Inc. 50% New York
Intermetco USA Ltd. 100% New York
Cappco Tubular Products USA, Inc. 100% Georgia
(formerly Cappco Tubular Products USA, Inc.)
JW Ventures Inc. 50% Texas
Philip Metals Recovery (USA) Inc. 100% Arizona
(formerly Waxman Resources (USA) Inc.)
Philip Metals (New York), Inc. 100% New York
(formerly Philip Metals (New York), Inc.)
Philip Metals Inc. 100% Ohio
(formerly Philip Metals (Ohio), Inc.)
Philip Services (Pennsylvania), Inc. 100% Pennsylvania
R&R Trucking Inc. 50% Ontario
- 5 -
6
ORGANIZATION CHART - AS AT APRIL 15, 1999
COMPANY OWNERSHIP JURISDICTION
Sablix Inc. 100% Quebec
Phencorp Reinsurance Company Inc. 100% Barbados
Philip Analytical Services Corporation 100% Ontario
(formerly Barringer Laboratories Limited)
Philip Environmental (Atlantic) Limited 100% Nova Scotia
Philip Environmental (Elmira) Inc. 100% Ontario
(formerly 1008746 Ontario Inc.)
Philip Environmental Services Limited 100% Ontario
(formerly Delsan Environmental Group Inc.)
Delsan Aim Environmental Services Inc. 50% Quebec
Delsan Cleveland Environmental Services Inc. 50% Canada
Delsan Demolition Limited 100% Ontario
(formerly Delsan Contracting Limited)
York Thomas Delsan Decommissioning Inc. 33% Ontario
Philip Industries (Europe) Limited 100% U.K.
Philip Industrial Services (Europe) Limited 100% U.K.
Philip International Development Inc. 100% Barbados
Philip Servicos Industriais Do Brasil Ltda 99% Brazil
Recycomb S.A. 24% Argentina
Resicontrol S.A. 25% Brazil
Philip Investment Corp. 100% Ontario
Philip Plasma Metals Inc. 100% Ontario
PSC (Europe) Limited 100% U.K.
PSC/IML Acquisition Corp. 100%
Philip Utilities Management Corporation 70% Ontario
1242204 Ontario Inc. 100% Ontario
Braemar Acres Limited 90% Ontario
Braemar Acres Limited 10% Ontario
Philip Utilities Management (Delaware) Corporation 100% Delaware
Allwaste/NAL, Inc. 100% Arizona
CDM Philip Inc. 80% Washington
Enviroganics of Texas, Inc. 100% Texas
Madsen-Barr/Philip Utilities Management Corporation, Inc. 100% Delaware
(formerly Madsen/Barr-Allwaste, Inc.)
Ridin Pipeline Services, Inc. 100% Florida
Philip Automated Management Controls, Inc. 100% Georgia
(formerly PAMC ANVIC Inc.)
Philip Utilities Management (Indiana) Corporation 100% Indiana
Philip Utilities Management (Maine) Corporation 100% Maine
Philip Utilities Management (Massachusetts) Corporation 100% Massachusetts
Philip Utilities Management (New Jersey) Corporation 100% New Jersey
Utility Management & Engineering, Inc. 100% New Jersey
Philip Utilities Management (Texas) Corporation 100% Texas
Dittman-Merka Enterprises Inc. 75% Texas
Southwest Utilities, Inc. 100% Texas
Walker Water Works, Inc. 100% Texas
Utility Systems, Inc. 100% Texas
Philip Utilities Management (Louisiana)Corporation 100% Louisiana
Magnolia Construction Company, Inc. 100% Louisiana
Trimax Residuals Management (USA), Inc. 100% Delaware
Rockcliffe Research Management Inc. 100% Canada
(formerly Radian Research Management)
Thorburn Penny Limited 100% Ontario
(formerly 675359 Ontario Inc.)
Trimax Residuals Management, Inc. 100% Alberta
- 6 -
7
ORGANIZATION CHART - AS AT APRIL 15, 1999
COMPANY OWNERSHIP JURISDICTION
(formerly Trimax Residuals Management, Inc.)
Uniflo Utilities Management Corporation 100% Canada
Construction et Pavage Nord Americain Ltee 51% Quebec
Canarehab Inc. 100% Quebec
Uniflo Corporation 100% Ontario
(formerly Uniflo Corporation)
Uniflo Pipeliners East Inc. 100% Ontario
Uniflo Sewer Services Inc. 100% Ontario
Uniflow Drain Services, Inc. 100% Ontario
1291063 Ontario Inc. 100% Ontario
Recyclage d'Aluminium Quebec Inc./Quebec Aluminium Recycling Inc. 100% Canada
33% Delaware