EXHIBIT 21
|X| W. R. GRACE & CO., A DELAWARE CORPORATION
U.S. SUBSIDIARIES
12/31/2002
|X| Chapter 11 Filing - April 2, 2001
- ----- --------------------------------------- -------------------------
STATE OF
SUBSIDIARY NAME INCORPORATION
- ----- --------------------------------------- -------------------------
|X| A-1 Bit & Tool Co., Inc. DE
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Advanced Refining Technologies
Management, Inc. DE
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Advanced Refining Technologies DE
LLC
- ----- --------------------------------------- -------------------------
|X| Alewife Boston Ltd. MA
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|X| Alewife Land Corporation MA
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|X| Amicon, Inc. DE
- ----- --------------------------------------- -------------------------
AP Chem Incorporated MD
- ----- --------------------------------------- -------------------------
|X| CB Biomedical, Inc. DE
- ----- --------------------------------------- -------------------------
|X| CCHP, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Coalgrace, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Coalgrace II, Inc. DE
- ----- --------------------------------------- -------------------------
Construction Products Dubai, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Creative Food 'N Fun Company DE
- ----- --------------------------------------- -------------------------
|X| Darex Puerto Rico, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Del Taco Restaurants, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Dewey and Almy, LLC DE
- ----- --------------------------------------- -------------------------
|X| Ecarg, Inc. NJ
- ----- --------------------------------------- -------------------------
|X| Five Alewife Boston Ltd. MA
- ----- --------------------------------------- -------------------------
|X| G C Limited Partners I, Inc. DE
- ----- --------------------------------------- -------------------------
|X| G C Management, Inc. DE
- ----- --------------------------------------- -------------------------
|X| GEC Management Corporation DE
- ----- --------------------------------------- -------------------------
|X| GN Holdings, Inc. DE
- ----- --------------------------------------- -------------------------
|X| GPC Thomasville Corp. DE
- ----- --------------------------------------- -------------------------
|X| Gloucester New Communities NJ
Company, Inc.
- ----- --------------------------------------- -------------------------
|X| Grace A-B Inc. DE
- ----- --------------------------------------- -------------------------
|X| Grace A-B II Inc. DE
- ----- --------------------------------------- -------------------------
Grace Asia Pacific, Inc. DE
- ----- --------------------------------------- -------------------------
Grace Chemicals, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Grace Chemical Company of IL
Cuba
- ----- --------------------------------------- -------------------------
Grace Collections, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Grace Culinary Systems, Inc. MD
- ----- --------------------------------------- -------------------------
|X| Grace Drilling Company DE
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|X| Grace Energy Corporation DE
- ----- --------------------------------------- -------------------------
|X| Grace Environmental, Inc. DE
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|X| Grace Europe, Inc. DE
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EXHIBIT 21
- ----- --------------------------------------- -------------------------
STATE OF
SUBSIDIARY NAME INCORPORATION
- ----- --------------------------------------- -------------------------
Grace Germany Holdings, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Grace H-G Inc. DE
- ----- --------------------------------------- -------------------------
|X| Grace H-G II Inc. DE
- ----- --------------------------------------- -------------------------
|X| Grace Hotel Services Corporation DE
- ----- --------------------------------------- -------------------------
|X| Grace International Holdings, Inc. DE
- ----- --------------------------------------- -------------------------
Grace Management Services, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Grace Offshore Company LA
- ----- --------------------------------------- -------------------------
|X| Grace PAR Corporation DE
- ----- --------------------------------------- -------------------------
|X| Grace Petroleum Libya DE
Incorporated
- ----- --------------------------------------- -------------------------
Grace Receivables Purchasing, DE
Inc.
- ----- --------------------------------------- -------------------------
|X| Grace Tarpon Investors, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Grace Ventures Corp. DE
- ----- --------------------------------------- -------------------------
|X| Grace Washington, Inc. DE
- ----- --------------------------------------- -------------------------
|X| W. R. Grace Capital Corporation NY
- ----- --------------------------------------- -------------------------
|X| W. R. Grace & Co.-Conn. CT
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|X| W. R. Grace Land Corporation NY
- ----- --------------------------------------- -------------------------
|X| Gracoal, Inc. DE
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|X| Gracoal II, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Guanica-Caribe Land DE
Development Corporation
- ----- --------------------------------------- -------------------------
|X| Hanover Square Corporation DE
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|X| Homco International, Inc. DE
- ----- --------------------------------------- -------------------------
Ichiban Chemical Co., Inc. DE
- ----- --------------------------------------- -------------------------
|X| Kootenai Development Company MT
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|X| L B Realty, Inc. DE
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|X| Litigation Management, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Monolith Enterprises, Incorporated DC
- ----- --------------------------------------- -------------------------
|X| Monroe Street, Inc. DE
- ----- --------------------------------------- -------------------------
|X| MRA Holdings Corp. DE
- ----- --------------------------------------- -------------------------
|X| MRA Intermedco, Inc. DE
- ----- --------------------------------------- -------------------------
|X| MRA Staffing Systems, Inc. DE
- ----- --------------------------------------- -------------------------
|X| Remedium Group, Inc. DE
- ----- --------------------------------------- -------------------------
Separations Group, The CA
- ----- --------------------------------------- -------------------------
|X| Southern Oil, Resin & Fiberglass, FL
Inc.
- ----- --------------------------------------- -------------------------
|X| Water Street Corporation DE
- ----- --------------------------------------- -------------------------
2
EXHIBIT 21
NON-U.S. SUBSIDIARIES
- -----------------------------------------------------------------
COUNTRY/
SUBSIDIARY NAME
- -----------------------------------------------------------------
ARGENTINA
- -----------------------------------------------------------------
W. R. Grace Argentina S.A.
- -----------------------------------------------------------------
WRG Argentina, S.A.
- -----------------------------------------------------------------
AUSTRALIA
- -----------------------------------------------------------------
Grace Australia Pty. Ltd.
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BELGIUM
- -----------------------------------------------------------------
Grace N.V.
- -----------------------------------------------------------------
Grace Silica N.V.
- -----------------------------------------------------------------
BRAZIL
- -----------------------------------------------------------------
Grace Brasil Ltda.
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Grace Davison Ltda.
- -----------------------------------------------------------------
PEADCO-Engenharia, Comercio Industria Ltda.
- -----------------------------------------------------------------
CANADA
- -----------------------------------------------------------------
GEC Divestment Corporation Ltd.
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Grace Canada, Inc.
- -----------------------------------------------------------------
W. R. Grace Finance (NRO) Ltd.
- -----------------------------------------------------------------
CHILE
- -----------------------------------------------------------------
Grace Quimica Compania Limitada
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CHINA - PEOPLE'S REPUBLIC OF
- -----------------------------------------------------------------
Grace China Ltd.
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COLOMBIA
- -----------------------------------------------------------------
Grace Colombia S.A.
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W. R. G. Colombia S.A.
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CUBA
- -----------------------------------------------------------------
Envases Industriales y Comerciales, S.A.
- -----------------------------------------------------------------
Papelera Camagueyana, S.A.
- -----------------------------------------------------------------
DENMARK
- -----------------------------------------------------------------
Grace A/S
- -----------------------------------------------------------------
FRANCE
- -----------------------------------------------------------------
Etablissements Pieri S.A.
- -----------------------------------------------------------------
Societe Civile Beau-Beton
- -----------------------------------------------------------------
W. R. Grace S.A.
- -----------------------------------------------------------------
GERMANY
- -----------------------------------------------------------------
Advanced Refining Technologies GmbH
- -----------------------------------------------------------------
Grace Darex GmbH
- -----------------------------------------------------------------
Grace GP G.m.b.H.
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Grace Holding G.m.b.H.
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Grace Management GP G.m.b.H.
- -----------------------------------------------------------------
Grace Silica GmbH
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3
EXHIBIT 21
- -----------------------------------------------------------------
COUNTRY/
SUBSIDIARY NAME
- -----------------------------------------------------------------
GREECE
- -----------------------------------------------------------------
Grace Hellas E.P.E.
- -----------------------------------------------------------------
HONG KONG
- -----------------------------------------------------------------
W. R. Grace (Hong Kong) Limited
- -----------------------------------------------------------------
W. R. Grace Southeast Asia Holdings Limited
- -----------------------------------------------------------------
HUNGARY
- -----------------------------------------------------------------
Grace Ertekesito Kft.
- -----------------------------------------------------------------
INDIA
- -----------------------------------------------------------------
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
- -----------------------------------------------------------------
W. R. Grace Italiana S.p.A.
- -----------------------------------------------------------------
JAPAN
- -----------------------------------------------------------------
Advanced Refining Technologies K.K.
- -----------------------------------------------------------------
Grace Chemicals K.K.
- -----------------------------------------------------------------
Grace Japan Kabushiki Kaisha
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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
- -----------------------------------------------------------------
Amicon B.V.
- -----------------------------------------------------------------
Denac Nederland 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.
- -----------------------------------------------------------------
RUSSIA
- -----------------------------------------------------------------
Darex CIS LLC
- -----------------------------------------------------------------
SINGAPORE
- -----------------------------------------------------------------
W. R. Grace (Singapore) Private Limited
- -----------------------------------------------------------------
SOUTH AFRICA
- -----------------------------------------------------------------
Grace Davison (Proprietary) Limited
- -----------------------------------------------------------------
W. R. Grace Africa (Pty.) Limited
- -----------------------------------------------------------------
4
EXHIBIT 21
- -----------------------------------------------------------------
COUNTRY/
SUBSIDIARY NAME
- -----------------------------------------------------------------
SPAIN
- -----------------------------------------------------------------
Grace, S.A.
- -----------------------------------------------------------------
Pieri Especialidades, S.L.
- -----------------------------------------------------------------
SWEDEN
- -----------------------------------------------------------------
Grace AB
- -----------------------------------------------------------------
Grace Catalyst AB
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Grace Sweden AB
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SWITZERLAND
- -----------------------------------------------------------------
Pieri S.A.
- -----------------------------------------------------------------
TAIWAN
- -----------------------------------------------------------------
W. R. Grace Taiwan, Inc.
- -----------------------------------------------------------------
THAILAND
- -----------------------------------------------------------------
W. R. Grace (Thailand) Limited
- -----------------------------------------------------------------
UNITED KINGDOM
- -----------------------------------------------------------------
A.A. Consultancy & Cleaning Company Limited
- -----------------------------------------------------------------
Cormix Limited
- -----------------------------------------------------------------
Borndear 1 Limited
- -----------------------------------------------------------------
Borndear 2 Limited
- -----------------------------------------------------------------
Borndear 3 Limited
- -----------------------------------------------------------------
Chasmbridge Limited
- -----------------------------------------------------------------
Darex UK Limited
- -----------------------------------------------------------------
Emerson & Cuming (Trading) Ltd.
- -----------------------------------------------------------------
Emerson & Cuming (UK) Ltd.
- -----------------------------------------------------------------
Grace Construction Products Limited
- -----------------------------------------------------------------
Pieri U.K. Limited
- -----------------------------------------------------------------
Servicised Ltd.
- -----------------------------------------------------------------
W. R. Grace Limited
- -----------------------------------------------------------------
VENEZUELA
- -----------------------------------------------------------------
Grace Venezuela, S.A.
- -----------------------------------------------------------------
Inversiones GSC, S.A.
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5