- Alzheimers Research Labs
- Amron Corp
- Atofina Petrochemicals Inc
- Atofina Petrochemicals Inc
- E G & G Defense Materials
- Exxon Mobil Chemical Co
- Exxon Mobil Chemical Co
- Firestone Test Ctr
- Kellogg Brown & Root
- Kellogg Brown & Root
- SGS Control Svc
- SGS Control Svc
- SGS Control Svc
- SGS Control Svc
- SGS Control Svc
- SGS Control Svc