Oasis Chemical Corporatikon
Olin Biocides
Olin Chlor Alkali Products
Olin Hydrazine
OM Group, Inc. (OMG)
Orgalab GmbH
Orica
Ortec, Inc
Oryza Laboratories Inc.
OXARC Inc
Oxford Asymmetry
Oxiteno S/A Indtria e Comcio
Pall Corporation - Gelman Sciences
Pamukkale
Pan-Continental Company
Papros Inc.
Paramount Minerals and Chemicals Ltd.
Partner Chemicals
Pasa Petroquimica Argentina
Patco Polymer Additives
PATI S.p.A
Pax Group
PB&S Chemical Company, Inc.
PDM, Inc
Penford Corporation
PennzSuppress
Pequiven
Perma Inc.
Petrochemical Industries Company
Pfanstiehl Laboratories, Inc
Pharmacal Research Laboratories
Pharm-Eco Laboratories, Inc.
Phase-Transfer Catalysis, Inc
Pidilite Industries Ltd.
Pierce Chemical Company
Pilot Chemical Company
Piltec International
Plasma Coatings
Plastics Technology Center
Plexmar Resins, Inc.
PN Services
PPG Industries, Inc. - Chemicals Group
PQ Corporation
Premier Refractories and Chemicals, Inc
Premier Services Corporation
Pressure Chemical Co
Prime Resins, Inc.
Priya Chemicals
Procter & Gamble GmbH
Productos Quicos Roda
Progressive Products, Inc.
Promat
PROSAR Product Safety Resources
ProSerTec Corporation
Purac
Puritan Products
Puritan/Churchill Chemical Company
Purolite
Pyramid Chemical Company
Quadrimex chimie
Quaker Chemical Company - Columbia, SC
Quaker Chemical Company, Inc.
Quaker Chemical Corporation
Qualitex Inc.
Quality Flavours Export
Quantum Group
Quest Consultants, Inc.
Quinn India Ltd
R & E Martin Chemicals
R. Simon (Dryers) Limited
Raisio Chemicals
Rajshree Agro Chem
Reade Advanced Materials
Recochem, Inc.
Red Bird Service
Redox Chemicals Pty Ltd
Reichhold Chemicals
Reichhold Chemicals, Inc.
Republic Chemical Industries
Research Organics
Resinall Corporation
Resinas Sinteticas
Rhodia Inc.
Rhe Poulenc
Rhe-Poulenc Surfactants & Special
Ribelin Sales, Inc
Riits Trading Co., Ltd.
Rockland React-Rite (RRR)
Rohm and Haas
Ropella & Associates
Roschem
Roshaw Quimica
Ross Chem, Inc.
Rucolor
Ruetgers-Nease Corporation
Rynex Corp
