| NRNuclear Rx INC | Tulsa | OK | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| ALAllergy Laboratories, INC. | Oklahoma City | OK | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| BSBachman Services, INC. | Oklahoma City | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BPBaker Petrolite Corporation | Barnsdall | OK | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CACaulking and Sealant Mfg Pryor Ind Park | Pryor | OK | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CWCisper Welding, INC. | Wynnewood | OK | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| CTCold Trap LLC | Coleman | OK | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| DMDcp Midstream LP | Okarche | OK | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| DCDean Ceg LLC | Burns Flat | OK | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| EOEast Oak Rng Plant | Oklahoma City | OK | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| EAEnergy and Environmental Services, INC. | Edmond | OK | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| FFairmountsantrol | Roff | OK | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| FCFortune Cookie Soap Inc | Tulsa | OK | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| FCFortune Cookie Soap, Inc. | Bixby | OK | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| GDGaddy Discount Drug LLC | Muskogee | OK | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| HFHydro Foam Techonlogy, INC. | Perkins | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| IRIofina Resources, INC. (i011) | Dover | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IRIofina Resources, INC. (i02) | Alva | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IRIofina Resources, INC. (io10) | Kingfisher | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IRIofina Resources, INC. (io4) | Burlington | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IRIofina Resources, INC. (io5) | Alva | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IRIofina Resources, INC. (io6) | Alva | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IRIofina Resources, INC. (io8) | Arnett | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IRIofina Resources, INC. (io9) | Kingfisher | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| KNKoch Nitorgen Location Spill Clean Up By Ge Water & Process Technologies | Enid | OK | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| KNKoch Nitrogen | Enid | OK | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| LELinde Engineering North America, INC. | Catoosa | OK | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| LGLinde Gas North America LLC | Enid | OK | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MTMatheson Tri Gas INC / Matheson Lawton Ok Asu | Lawton | OK | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| NPNippon Paint Automotive Americas, INC. | Sparks | OK | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| OCOkc Crystal Laboratory INC / Okc Crystal Laboratory | Luther | OK | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| OSOklahoma Steel Castings | Tulsa | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PBPurMa Biologics, LLC | Oklahoma City | OK | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| QLQualGen LLC | Edmond | OK | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| RERockwater Energy Solutions | Duncan | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley INC Wynnewood Plant | Wynnewood | OK | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| UBUltra Botanica LLC | Oklahoma City | OK | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| VNViaCore Nutrition LLC | Kingfisher | OK | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| WSWB Spraying, LLC | Wilburton | OK | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| WBWheeler Bio INC | Oklahoma City | OK | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| WIWimase International Inc | Norman | OK | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| WEWoodside Energy USA INC / Woodside Energy H2ok | Ardmore | OK | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| WIWoodward Iodine Corporation | Sharon | OK | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
