- A-1 Specialized Svc & Supplies
- Activated Metals & Chemicals
- Advanced Catalyst Systems
- Alfa Aesar Co
- Ambur Chemical Co
- Axens North America
- Bourta & Gerra Custom Flrng
- C S Metal Of Louisiana
- Cat Tech Inc
- Catalyst Central
- Catalyst Central
- Catalyst Handling Svc Co
- Catalyst International Assoc
- Catalyst Regeneration Svc
- Catalyst Services Gulf Coast
- Catalyst Services-West Coast
- Catalyst Services-West Coast
- Catalyst Technology
- Catalyst Technology Inc
- Catalyst Technology Southeast
- Catalyst Trading Co
- Chep Inc
- Combiphos Catalysts Inc
- Combiphos Catalysts Inc
- Commerce Catalyst Inc
- Criterion Catalyst Co
- Criterion Catalyst Co
- Criterion Catalyst Co
- Criterion Catalyst Co
- Criterion Catalyst Co
- Criterion Catalysts & Tech
- Crystaphase International Inc
- Davison Catalysts
- Eat A Little Something
- Engelhard Corp
- Engelhard Corp
- Engelhard Corp
- Engelhard Minerals & Chemicals
- Engelhard Minerals & Chemicals
- Equilibrium Catalysts
- Eurecat Us Inc
- Eurecat Us Inc
- Food Among The Flowers
- Haldor Topsoe Inc
- Haldor Topsoe Inc
- Haldor Topsoe Inc
- Haldor Topsoe Inc
- Inciteperformance
- Intercat
- Intercat
- Intercat-Savannah Inc
- James Timec Intl
- James Timec Intl
- Johnson Matthey Catalysts
- Johnson Matthey Catalysts
- Johnson Matthey Catalysts
- Kip CO
- Koch Specialty Plant Svc
- Metal & Catalyst Resource
- Metal & Catalyst Resource
- Metaloy Inc
- Petro Ware Inc
- Reactor Services
- Reactor Services Intl Inc
- Source International Inc
- Sud Chemie Performance Package
- Superior Resources Corp
- Tricat Inc
- Unicat Catalyst Technologies
- Unitex Services Inc
- Vana Vac Inc