- Baxter Healthcare Corporation
- Packaging Corporation of America
- Sterigenics, Incorporated
- Tronox
- Nyrstar
- Norac
- Koppers Performance Chemicals
- Country Mark
- Westlake Chemical
- Honeywell
- CB&I
- Ashland Chemical
- Arkema
- Domtar Paper
- Chemtura
- Con Agra Food
- Sekisui
- 3M
- Thompson CAT
- Cargill
- Nucor
*Contact names provided on request.