| HPH-i-s Paint Manufacturing Company, LLC | Oklahoma City | OK | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| HSHk & S Iron CO INC | Oklahoma City | OK | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| JFJindal Films-Americas LLC | Shawnee | OK | Plastics and Rubber Products Manufacturing326113 | 100-499 | ◐ LIKELY ACTIVE |
| LALos Angeles Boiler Works Inc. | Blackwell | OK | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
Metrosign CORP | Oklahoma City | OK | Miscellaneous Manufacturing339950 | 20-99 | ◐ LIKELY ACTIVE |
| MAMid American Steel and Wire CO - Mill | Madill | OK | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| MAMingo Aerospace | Owasso | OK | Fabricated Metal Product Manufacturing332313 | 100-499 | ▲ REPORTED CLOSED |
| MMMingo Manufacturing | Owasso | OK | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MPMl Products LLC | Noble | OK | Chemical Manufacturing325212 | 20-99 | ◐ LIKELY ACTIVE |
| NSNational Steak and Poultry | Owasso | OK | Food Manufacturing311612 | 100-499 | ◐ LIKELY ACTIVE |
Neco Industries INC | Oklahoma City | OK | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| NANorth American Galvanizing Company Tulsa Plant 1 | Tulsa | OK | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| OFOk Foods - Heavener | Heavener | OK | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| OSOklahoma Steel & Wire Co., INC. | Madill | OK | Fabricated Metal Product Manufacturing332618 | 100-499 | ◐ LIKELY ACTIVE |
Optical Works Corporation | Muskogee | OK | Miscellaneous Manufacturing339115 | 1-19 | ◐ LIKELY ACTIVE |
| PPPelco Products INC. | Edmond | OK | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
Polydyne, LLC | Poteau | OK | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
| PFPoly Films INC | Oklahoma City | OK | Plastics and Rubber Products Manufacturing326111 | 1-19 | ◐ LIKELY ACTIVE |
| PCPolyvision CORP | Okmulgee | OK | Printing and Related Support Activities323113 | 20-99 | ◐ LIKELY ACTIVE |
| RAReal Alloy Recycling LLC | Sapulpa | OK | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| RBRiver Bend Industries | Blanchard | OK | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| RERuss Electric a Siemens Business | Broken Arrow | OK | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| SHSlim Haney Machining, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SBSpecialty Bakery of Tulsa | Tulsa | OK | Food Manufacturing311812 | 100-499 | ◐ LIKELY ACTIVE |
| SASpirit Aerosystems INC | Tulsa | OK | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| SMS&t Manufacturing | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| TDTubacex Durant INC. | Durant | OK | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| TBTulsa Bus Mfg Plant | Tulsa | OK | Transportation Equipment Manufacturing336120 | 500+ | ◐ LIKELY ACTIVE |
| TWTulsa Winch Group Twg / Tulsa Winch | Jenks | OK | Machinery Manufacturing333612 | — | ◐ LIKELY ACTIVE |
| WAW and W Afco Steel LLC / 1730 W Reno Oklahoma City Plt | Oklahoma City | OK | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
Webco Industries INC Kellyville Specialty Tube | Kellyville | OK | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
Webco Industries, INC. Ok Dist. Div | Tulsa | OK | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| WIWoodward Iodine Corporation | Woodward | OK | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| ZIZeeco INC | Broken Arrow | OK | Machinery Manufacturing333994 | 500+ | ◐ LIKELY ACTIVE |
| AEAcme Engineering and Manufacturing CORP / Muskogee Mfg Facility | Muskogee | OK | Machinery Manufacturing333411 | 100-499 | ◐ LIKELY ACTIVE |
| ARAxel Royal LLC | Tulsa | OK | Petroleum and Coal Products Manufacturing324191 | 20-99 | ◐ LIKELY ACTIVE |
| BCBalon Corporation | Oklahoma City | OK | Fabricated Metal Product Manufacturing332911 | 500+ | ◐ LIKELY ACTIVE |
| CDC & D Valve Manufacturing CO | Oklahoma City | OK | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| CBCommercial Brick | Wewoka | OK | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ◐ LIKELY ACTIVE |
| DLD & L Manufacturing, INC. | Tulsa | OK | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| HEHalliburton Energy Services, INC. | Duncan | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| KIKams INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| MMMertz Manufacturing, LLC | Ponca City | OK | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| MCMilamar Coatings LLC | Oklahoma City | OK | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| NANorit Activated Carbon | Pryor | OK | Petroleum and Coal Products Manufacturing324199 | 100-499 | ◐ LIKELY ACTIVE |
| PCPlatinum Cross Welding | Okemah | OK | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| PMProcess Manufacturing CO. INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| RARefractory Anchors | Broken Arrow | OK | Nonmetallic Mineral Product Manufacturing327125 | 20-99 | ◐ LIKELY ACTIVE |
| SWSouthwestern Wire, INC. | Norman | OK | Primary Metal Manufacturing331222 | 100-499 | ◐ LIKELY ACTIVE |
| TCThe Crucible LLC | Norman | OK | Primary Metal Manufacturing331525 | 1-19 | ◐ LIKELY ACTIVE |