| MCMiraclon Corporation | Weatherford | OK | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| NCNalco CO Tulsa Plant 102 | Tulsa | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| NRNeo Rare Metals (ok), LLC. | Quapaw | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| OMOklahoma Materials Recycling | Atoka | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| OFOzark Fluorine Spcl/ozark Fluorine Speci | Tulsa | OK | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| RDRed Devil Caulking and Sealant Mfg Pryor Ind Park | Pryor | OK | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| RERockwater Energy Solutions | El Reno | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SFSeaboard Foods LLC / High Plains Bioenergy Biodiesel Prod | Guymon | OK | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| SFSequoyah Fuels CORP. | Gore | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SFSequoyah Fuels Corporation | Gore | OK | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| SPSheridan Paint Mfg | Oklahoma City | OK | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SCSolvay Chemical Inc/chemical Mfg Faclty | Catoosa | OK | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| TOTeam Oil Tools | Tulsa | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley INC / Tessenderlo Kerley | Wynnewood | OK | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| UAUmicore Autocat USA INC | Catoosa | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| UPUmicore Precious Metals Chemistry (pmc) USA LLC | Catoosa | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- Pryor Facility | Pryor | OK | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| APAnchor Paint Tulsa | Tulsa | OK | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| BIBiofique, INC | Tulsa | OK | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
| CRCastlewood Recovery LLC | Tulsa | OK | Chemical Manufacturing325620 | — | ◐ LIKELY ACTIVE |
| CCatoosa | Catoosa | OK | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| CICF Industries | Verdigris | OK | Chemical Manufacturing325311 | 100-499 | ◐ LIKELY ACTIVE |
| CBChar Bud Sdv LLC | Mcalester | OK | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| CACirculus Ardmore, PBLLC | Ardmore | OK | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| CUCyto US LLC | Tulsa | OK | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| CBCytovance Biologics | Oklahoma City | OK | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| DCDeepwater Chemicals, Inc. | Woodward | OK | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| EMEnf Medical, LLC | Edmond | OK | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| GIGemini Industries, Inc. El Reno | El Reno | OK | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| HAHorizon Ag-Products - OK Plant | Union City | OK | Chemical Manufacturing325314 | 20-99 | ◐ LIKELY ACTIVE |
| HCHoward Construction Company and General Contracting, LLC | Blanchard | OK | Chemical Manufacturing325920 | — | ◐ LIKELY ACTIVE |
| ICInterplastic Corporation Pryor OK | Pryor | OK | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| IIochem-OK | Vici | OK | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| JSJames Supplies, L.l.c. | Pauls Valley | OK | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| LPLawton Packaged Gas | Lawton | OK | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| LCLinde Claremore | Claremore | OK | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| MMM561 M561 -yukon,ok Xt-us | Yukon | OK | Chemical Manufacturing325992 | 20-99 | ◐ LIKELY ACTIVE |
| MMMidwest Medical Isotopes, L.l.c. | Oklahoma City | OK | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| NPNORIT Pryor | Pryor | OK | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| NANutrien Ag Solutions INC | Webber Falls | OK | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| S3Safety 360 LLC | Oklahoma City | OK | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| STSHD - Tulsa | Tulsa | OK | Chemical Manufacturing325211 | 1-19 | ◐ LIKELY ACTIVE |
| SLShilog, LTD | Mcalester | OK | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| SISpectrumfx, INC. | Tulsa | OK | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| TITerra International LLC. | Woodward, OK | OK | Chemical Manufacturing325311 | 100-499 | ◐ LIKELY ACTIVE |
| TTulsa | Tulsa | OK | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| TCTurfCare Catoosa | Port of Catoosa | OK | Chemical Manufacturing325314 | 1-19 | ◐ LIKELY ACTIVE |
| UPUmicore PMC USA, llc | Catoosa | OK | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| UGUS Gypsum Southard | Southard | OK | Chemical Manufacturing325520 | 100-499 | ◐ LIKELY ACTIVE |
| BEBellator Enterprises LLC | Lawton | OK | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |