EXHIBIT 21
ü W. R. GRACE & CO., a Delaware corporation
U.S. SUBSIDIARIES
12/31/2006
ü Chapter 11 Filing — April 2, 2001
| SUBSIDIARY NAME |
| CO. # |
| STATE OF INCORPORATION | |
ü |
| A-1 Bit & Tool Co., Inc. |
| 458 |
| DE |
|
| *Advanced Refining Technologies LLC |
| 268 |
| DE |
ü |
| Alewife Boston Ltd. |
| 070 |
| MA |
ü |
| Alewife Land Corporation |
| 069 |
| MA |
|
| Alltech Associates, Inc. |
| 259 |
| IL |
ü |
| Amicon, Inc. |
| 174 |
| DE |
|
| AP Chem Incorporated |
| 436 |
| MD |
ü |
| CB Biomedical, Inc. |
| 125 |
| DE |
ü |
| CCHP, Inc. |
| 074 |
| DE |
ü |
| Coalgrace, Inc. |
| 824 |
| DE |
ü |
| Coalgrace II, Inc. |
| 835 |
| DE |
|
| Construction Products Dubai, Inc. |
| 121 |
| DE |
ü |
| Creative Food ’N Fun Company |
| 587 |
| DE |
ü |
| Darex Puerto Rico, Inc. |
| 798 |
| DE |
ü |
| Del Taco Restaurants, Inc. |
| 557 |
| DE |
ü |
| Dewey and Almy, LLC |
| 406 |
| DE |
ü |
| Ecarg, Inc. |
| 519 |
| NJ |
ü |
| Five Alewife Boston Ltd. |
| 071 |
| MA |
ü |
| G C Limited Partners I, Inc. |
| 465 |
| DE |
ü |
| G C Management, Inc. |
| 539 |
| DE |
ü |
| GEC Management Corporation |
| 689 |
| DE |
ü |
| GN Holdings, Inc. |
| 073 |
| DE |
ü |
| GPC Thomasville Corp. |
| 637 |
| DE |
ü |
| Gloucester New Communities Company, Inc. |
| 572 |
| NJ |
ü |
| Grace A-B Inc. |
| 625 |
| DE |
ü |
| Grace A-B II Inc. |
| 827 |
| DE |
|
| Grace Asia Pacific, Inc. |
| 107 |
| DE |
|
| Grace Chemicals, Inc. |
| 710 |
| DE |
ü |
| Grace Chemical Company of Cuba |
| 305 |
| IL |
|
| Grace Collections, Inc. |
| 316 |
| DE |
ü |
| Grace Culinary Systems, Inc. |
| 479 |
| MD |
ü |
| Grace Drilling Company |
| 877 |
| DE |
* Ownership of Advanced Refining Technologies LLC is 55% W. R. Grace & Co.-Conn. (#001) and 45%Chevron USA, Inc.; certain enumerated actions of the Executive Committee require unanimous consent.
| SUBSIDIARY NAME |
| CO. # |
| STATE OF INCORPORATION | |
ü |
| Grace Energy Corporation |
| 681 |
| DE |
ü |
| Grace Environmental, Inc. |
| 198 |
| DE |
ü |
| Grace Europe, Inc. |
| 407 |
| DE |
|
| Grace Germany Holdings, Inc. |
|
|
| DE |
ü |
| Grace H-G Inc. |
| 506 |
| DE |
ü |
| Grace H-G II Inc. |
| 828 |
| DE |
ü |
| Grace Hotel Services Corporation |
| 480 |
| DE |
ü |
| Grace International Holdings, Inc. |
| 543 |
| DE |
|
| Grace Latin America, Inc. |
| 263 |
| DE |
|
| Grace Management Services, Inc. |
| 485 |
| DE |
ü |
| Grace Offshore Company |
| 822 |
| LA |
ü |
| Grace PAR Corporation |
| 621 |
| DE |
ü |
| Grace Petroleum Libya Incorporated |
| 880 |
| DE |
|
| Grace Receivables Purchasing, Inc. |
| 041 |
| DE |
ü |
| Grace Tarpon Investors, Inc. |
| 462 |
| DE |
ü |
| Grace Ventures Corp. |
| 664 |
| DE |
ü |
| Grace Washington, Inc. |
| 197 |
| DE |
ü |
| W. R. Grace Capital Corporation |
| 563 |
| NY |
ü |
| W. R. Grace & Co.-Conn. |
| 001 |
| CT |
ü |
| W. R. Grace Land Corporation |
| 523 |
| NY |
ü |
| Gracoal, Inc. |
| 856 |
| DE |
ü |
| Gracoal II, Inc. |
| 848 |
| DE |
ü |
| Guanica-Caribe Land Development Corporation |
| 376 |
| DE |
ü |
| Hanover Square Corporation |
| 516 |
| DE |
ü |
| Homco International, Inc. |
| 631 |
| DE |
|
| Ichiban Chemical Co., Inc. |
| 028 |
| DE |
ü |
| Kootenai Development Company |
| 079 |
| MT |
ü |
| L B Realty, Inc. |
| 495 |
| DE |
ü |
| Litigation Management, Inc. |
| 317 |
| DE |
ü |
| Monolith Enterprises, Incorporated |
| 477 |
| DC |
ü |
| Monroe Street, Inc. |
| 481 |
| DE |
ü |
| MRA Holdings Corp. |
| 075 |
| DE |
ü |
| MRA Intermedco, Inc. |
| 076 |
| DE |
ü |
| MRA Staffing Systems, Inc. |
| 077 |
| DE |
|
| NZ Alltech, Inc. |
|
|
| IL |
ü |
| Remedium Group, Inc. |
| 063 |
| DE |
ü |
| Southern Oil, Resin & Fiberglass, Inc. |
| 318 |
| FL |
ü |
| Water Street Corporation |
| 548 |
| DE |
2
NON-U.S. SUBSIDIARIES
COUNTRY/SUBSIDIARY NAME |
|
|
ARGENTINA |
|
|
W. R. Grace Argentina S.A. |
|
|
WRG Argentina, S.A. |
|
|
AUSTRALIA |
|
|
Alltech Associates (Australia) Pty. Ltd. |
|
|
Grace Australia Pty. Ltd. |
|
|
BELGIUM |
|
|
Grace Construction Products N.V. |
|
|
Grace N.V. |
|
|
Grace Silica N.V. |
|
|
Inverco Benelux N.V. |
|
|
BRAZIL |
|
|
Grace Brasil Ltda. |
|
|
Grace Davison Ltda. |
|
|
CANADA |
|
|
GEC Divestment Corporation Ltd. |
|
|
Grace Canada, Inc. |
|
|
W. R. Grace Finance (NRO) Ltd. |
|
|
CHILE |
|
|
Grace Quimica Compania Limitada |
|
|
CHINA - PEOPLE’S REPUBLIC OF |
|
|
Grace China Ltd. |
|
|
Grace Trading (Shanghai) Co., Ltd. |
|
|
COLOMBIA |
|
|
Grace Colombia S.A. |
|
|
W. R. G. Colombia S.A. |
|
|
CUBA |
|
|
Envases Industriales y Comerciales, S.A. |
|
|
Papelera Camagueyana, S.A. |
|
|
FRANCE |
|
|
Alltech France S.A.R.L. |
|
|
Grace Produits de Construction SAS |
|
|
Société Civile Beau-Béton |
|
|
W. R. Grace S.A. |
|
|
GERMANY |
|
|
Advanced Refining Technologies GmbH |
|
|
Alltech Grom GmbH |
|
|
Grace Bauprodukte GmbH |
|
|
Grace Darex GmbH |
|
|
Grace GP G.m.b.H. |
|
|
Grace Holding G.m.b.H. |
|
|
Grace Management GP G.m.b.H. |
|
|
Grace Silica GmbH |
|
|
3
COUNTRY/SUBSIDIARY NAME |
|
|
GREECE |
|
|
Grace Hellas E.P.E. |
|
|
HONG KONG |
|
|
Alltech Applied Science Labs (HK) Limited |
|
|
Alltech Scientific (China) Limited |
|
|
W. R. Grace (Hong Kong) Limited |
|
|
W. R. Grace Southeast Asia Holdings Limited |
|
|
HUNGARY |
|
|
Grace Értékesito Kft. |
|
|
INDIA |
|
|
Flexit Laboratories Private Ltd. |
|
|
W. R. Grace & Co. (India) Private Limited |
|
|
INDONESIA |
|
|
PT. Grace Specialty Chemicals Indonesia |
|
|
IRELAND |
|
|
Amicon Ireland Limited |
|
|
Grace Construction Products (Ireland) Limited |
|
|
Trans-Meridian Insurance (Dublin) Ltd. |
|
|
ITALY |
|
|
Alltech Italia S.R.L. |
|
|
W. R. Grace Italiana S.p.A. |
|
|
JAPAN |
|
|
Advanced Refining Technologies K.K. |
|
|
Grace Chemicals K.K. |
|
|
Grace Japan Kabushiki Kaisha |
|
|
KOREA |
|
|
Grace Korea Inc. |
|
|
MALAYSIA |
|
|
W. R. Grace (Malaysia) Sendiran Berhad |
|
|
W. R. Grace Specialty Chemicals (Malaysia) Sdn. Bhd. |
|
|
MEXICO |
|
|
Grace Container, S. A. de C. V. |
|
|
W. R. Grace Holdings, S. A. de C. V. |
|
|
NETHERLANDS |
|
|
Alltech Applied Science B.V. |
|
|
Amicon B.V. |
|
|
Denac Nederland B.V. |
|
|
LC Service B.V. |
|
|
Storm van Bentem en Kluyver B.V. |
|
|
W. R. Grace B.V. |
|
|
NETHERLANDS ANTILLES |
|
|
W. R. Grace N.V. |
|
|
NEW ZEALAND |
|
|
Grace (New Zealand) Limited |
|
|
PHILIPPINES |
|
|
W. R. Grace (Philippines), Inc. |
|
|
POLAND |
|
|
Grace Sp. z o.o. |
|
|
4
COUNTRY/SUBSIDIARY NAME |
|
|
RUSSIA |
|
|
Darex CIS LLC |
|
|
SINGAPORE |
|
|
W. R. Grace (Singapore) Private Limited |
|
|
SOUTH AFRICA |
|
|
Grace Davison (Proprietary) Limited |
|
|
W. R. Grace Africa (Proprietary) Limited |
|
|
SPAIN |
|
|
Grace, S.A. |
|
|
Pieri Especialidades, S.L. |
|
|
SWEDEN |
|
|
Grace AB |
|
|
Grace Catalyst AB |
|
|
Grace Sweden AB |
|
|
SWITZERLAND |
|
|
Pieri S.A. |
|
|
TAIWAN |
|
|
W. R. Grace Taiwan, Inc. |
|
|
THAILAND |
|
|
W. R. Grace (Thailand) Limited |
|
|
UNITED KINGDOM |
|
|
A.A. Consultancy & Cleaning Company Limited |
|
|
Alltech Associates Applied Science Limited |
|
|
Cormix Limited |
|
|
Borndear 1 Limited |
|
|
Borndear 2 Limited |
|
|
Borndear 3 Limited |
|
|
Darex UK Limited |
|
|
Emerson & Cuming (Trading) Ltd. |
|
|
Emerson & Cuming (UK) Ltd. |
|
|
Exemere Limited |
|
|
Grace Construction Products Limited |
|
|
Pieri U.K. Limited |
|
|
Servicised Ltd. |
|
|
W. R. Grace Limited |
|
|
VENEZUELA |
|
|
Grace Venezuela, S.A. |
|
|
Inversiones GSC, S.A. |
|
|
5