Chemical, Refining, Manufacturers and Distributors
- 3M Company
- Arkema
- Albemarle Corporation
- BASF Corporation
- BiMax, Inc.
- Braskem USA
- Brenntag North America
- Covestro
- Coyne Chemical
- Croda, Inc.
- DNP Imagingcomm
- DOW Chemical Company
- DuPont
- Eastman Chemical Company
- Ecolab
- Evonik Industries
- Gelest, Inc.
- INEOS Composites
- Johnson Controls
- Koppers
- LANXESS
- Lonza, Inc.
- Monroe Energy
- NOVA Chemicals
- Philadelphia Energy Solutions (PES)
- Pressure Chemical Company
- Purolite
- Reckitt Benckiser
- Shell Chemicals
- Specialty Chemical Systems, Inc.
- United Chemical Technology
Engineering and Consulting Firms and Others That Serve the Chemical and Materials Manufacturing Industries
- Civil & Environmental Consultants
- Eastern Controls
- GEI Consultants
- Javan Engineering
- Kleinfelder
- Langan Engineering & Environmental Services
- Mascaro Construction
- O'Brien & Gere
- Trinity Consultants
- TTI Environmental, Inc.
- UGI Energy Services, Inc.
- UTI Global
- Woodard & Curran
In-Kind Members
- American Chemistry Council
- Post & Schell
- Chemical Association of Pittsburgh
