| SSSkf Sealing Solutions / Hobart Plt | Hobart | OK | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| SUSkulls Unlimited | Oklahoma City | OK | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SBSmith Bits a Schlumberger CO / Smith Bits | Ponca City | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SESmithco Engineering INC | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SCSolvay Chemical Inc/chemical Mfg Faclty | Catoosa | OK | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| SCSolvay Composite Materials Warehouse | Broken Arrow | OK | Textile Mills313320 | — | ◇ UNVERIFIED |
| SPSouthwest Plating INC / Duncan Plating Facility | Duncan | OK | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SNSpiers New Technologies Annex B | Oklahoma City | OK | Electrical Equipment, Appliance & Component Manufacturing335910 | — | ◇ UNVERIFIED |
| SNSpiers New Technologies Building 4 | Oklahoma City | OK | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◇ UNVERIFIED |
| SOSpm Oil and Gas PC - El Reno | El Reno | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SHSpx Heat Transfer INC / Steel Products Fabrication | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SISrm Inc.- 9000 West Reno | City of Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SISrm Inc-norman Plant | Norman | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| STStarlite Trailers INC | Claremore | OK | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| SSSteel Service Building CO / Steel Building and Structure Mfg | Claremore | OK | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| SSStewart & Stevenson LLC | Edmond | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SMStillwater Marine Propulsion Sys | Stillwater | OK | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| SMStrope Manufacturing, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| TFTdk Ferrites CORP / Tdk Ferrites CORP | Shawnee | OK | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| TFTdk Ferrites CORP / Tdk Ferrites Rare Earth | Shawnee | OK | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| TDTegrant Diversified Brands Inc/sallisaw Foam Molding Plt | Sallisaw | OK | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| TCTerex CORP Unit Rig Div | Tulsa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley INC / Tessenderlo Kerley | Wynnewood | OK | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| TTTexoma Truck Bodies/texoma Truck Bodies | Colbert | OK | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| TEThermal Engineering International | Sapulpa | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| TMTrinitas Materials LLC / Newcastle Facility | Newcastle | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| TCTrinity Containers LLC / Plt 27 | Tulsa | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| TATulsa Asphalt LLC -becco Asphalt Plant 1 | Tulsa | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| TATulsa Asphalt LLC / Becco Asphalt Plt 1 | Owasso | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| UAUmicore Autocat USA INC | Catoosa | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| UPUmicore Precious Metals Chemistry (pmc) USA LLC | Catoosa | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| UDUnited Design Corp/noble Figurine Plt | Noble | OK | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| UPUnit Parts CO | Oklahoma City | OK | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| UCUniversal Compression INC | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| UIUpco INC | Claremore | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| VRVentura Refining and Transmission, LLC / Thomas Rfnry | Thomas | OK | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| VCVenture CORP / Plant 5 | Avard | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| VSVoight & Schweitzer | Muskogee | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| WMWaldon Mfg Llc/waldon Mfg | Fairview | OK | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
 Webco Industries, INC. Keystone | Sand Springs | OK | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| WPWellman Products Oklahoma | Catoosa | OK | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| WIWesterman, INC. | Skiatook | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| WCWeyerhaeuser Company | Broken Bow | OK | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr CO /wright City Complex | Wright City | OK | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WCWorld Color USA Llc/stillwater Div | Stillwater | OK | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| ZIZapata Inds INC | Muskogee | OK | Fabricated Metal Product Manufacturing332115 | — | ◇ UNVERIFIED |
| 3D3 D Manufacturing, INC | Sand Springs | OK | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| 6I66 Ink LLC | Weatherford | OK | Printing and Related Support Activities323113 | 1-19 | ◇ UNVERIFIED |
| 6W6g Welding & Fabrication, INC. | Cache | OK | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| 9B9OH6 Baking Co LLC | Yukon | OK | Food Manufacturing311811 | 1-19 | ◇ UNVERIFIED |
