| CCContinental Carbon Ponca City Plant | Ponca City | OK | Chemical Manufacturing325180 | 100-499 | ● ACTIVE |
Trece INC | Adair | OK | Chemical Manufacturing325320 | 100-499 | ● ACTIVE |
| UOUmicore Optical Materials USA INC. | Quapaw | OK | Chemical Manufacturing325180 | 20-99 | ● ACTIVE |
| KFKoch Fertilizer Enid, LLC | Enid | OK | Chemical Manufacturing325311 | 100-499 | ● ACTIVE |
Pd-rx Pharmaceuticals, INC. | Oklahoma City | OK | Chemical Manufacturing325412 | 20-99 | ● ACTIVE |
Smc Technologies INC | Oklahoma City | OK | Chemical Manufacturing325998 | — | ● ACTIVE |
Airgas Usa, LLC | Tulsa | OK | Chemical Manufacturing325120 | — | ● ACTIVE |
| AMAmerican Medical Gas Resources LLC | Kiefer | OK | Chemical Manufacturing325120 | — | ● ACTIVE |
Bio Advantage Recycling Company, LLC | Shawnee | OK | Chemical Manufacturing325311 | — | ● ACTIVE |
Cherokee Composites, LLC | Claremore | OK | Chemical Manufacturing325211 | — | ● ACTIVE |
Dermamedics, LLC | Oklahoma City | OK | Chemical Manufacturing325611 | — | ● ACTIVE |
| DCDirect Colors LLC | Shawnee | OK | Chemical Manufacturing325130 | — | ● ACTIVE |
Drftco Marine LLC | Broken Arrow | OK | Chemical Manufacturing325612 | — | ● ACTIVE |
Dry Surface Technologies LLC | Guthrie | OK | Chemical Manufacturing325998 | — | ● ACTIVE |
Fairwind, LLC | Lawton | OK | Chemical Manufacturing325611 | — | ● ACTIVE |
Hla Protein Technologies INC | Oklahoma City | OK | Chemical Manufacturing325414 | — | ● ACTIVE |
Kleen Products INC | Oklahoma City | OK | Chemical Manufacturing325611 | — | ● ACTIVE |
Moon Chemical Products CO | Oklahoma City | OK | Chemical Manufacturing325998 | — | ● ACTIVE |
Redtail Innovations LLC | El Reno | OK | Chemical Manufacturing325211 | — | ● ACTIVE |
Service Wing Organic Solutions, LLC | Tulsa | OK | Chemical Manufacturing325320 | — | ● ACTIVE |
Stardust Power INC. | Oklahoma City | OK | Chemical Manufacturing325180 | — | ● ACTIVE |
United-tech INC | Tulsa | OK | Chemical Manufacturing325414 | — | ● ACTIVE |
Valiosa LLC | Ada | OK | Chemical Manufacturing325320 | — | ● ACTIVE |
Veteran Respiratory Resources, LLC. | Edmond | OK | Chemical Manufacturing325120 | — | ● ACTIVE |
| WLWeaver Labs LLC | Stillwater | OK | Chemical Manufacturing325180 | — | ● ACTIVE |