P&D Creative Co Paratherm 
P&D Creative Co Magic 555 cleaning produts
Pabco  
Pacific Biocontrol Corporation
Pacific Breeze  
Pacific Breeze, Inc.  
Pacific Coast Building Products,Inc.  
Pacific Pac International,Inc.  
Pacific SoilCompany
Parker Laboratories, Inc.
Parker Paint Manufacturing Co., Inc.
Parts Associates, Inc
Pascal Company  
PBI Gordon Corporation
Pellu Corporation I
Perfex  
Perfex Company  
Perma-Glas Mesh
Permabond
PermaGlas-Mesh, Inc.
Pest-A-Site  
PetroexxInternational Corporation
Petroferm, Inc.  
PFS Performance Fuel Specialists
Pharmacia & Upjohn  
PHase III, Inc.
Phelps Dodge Corporation
Phillips Petroleum
PhotoBrasive Systems
Photographic Solutions
Pilot Pens
Plant Health Technologies
Plasmine Technology  
Plastic Technical Services
Plastic TechnicalServices  
Plastiglas de Mexico  
Plastmo
Pneumateck
Polisan  
Polisan Kimya Tic. A.S.  
Pollard Brothers
Poly Scientific R&D Corp.  
Polyclad
Polymer Chemistry Inovations  
Power-Sonic  
PPG Architectural Finishes
PraxairTechnology, Inc.
Prentiss Incorporated
Prevor
Pride Enterprises
Prima Car Paints of America
Prochem
Production Tool Supply
Prolabo- Quick-FDS®
Prolink Cleaning Products
ProSciTech
Prosoap
Protective Coating Co.
Pulpdent Dental Products
Purgit
PVS Technologies, Inc.  
PWS Natural Products
Pyrotechnic Chemicals