| ACAlltra CORP | Dewey | OK | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| CCClimate Craft, INC. | Oklahoma City | OK | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| CIClimatemaster INC | Oklahoma City | OK | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| MMMingo Manufacturing | Owasso | OK | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| TWTulsa Winch Group Twg / Tulsa Winch | Jenks | OK | Machinery Manufacturing333612 | — | ◐ 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 |
| DLD & L Manufacturing, INC. | Tulsa | OK | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| HEHalliburton Energy Services, INC. | Duncan | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| PCPlatinum Cross Welding | Okemah | OK | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| WWWorld Water Works | Oklahoma City | OK | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
| COCable Operations | Claremore | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| CCClimacool CORP | Oklahoma City | OK | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| CCookshack | Ponca City | OK | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
| DEDarby Equipment Company | Tulsa | OK | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| DLD & L Oil Tools | Tulsa | OK | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| EDE-Z Drill, Inc | Perry | OK | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
Ironwolf Manufacturing, LLC | Noble | OK | Machinery Manufacturing333120 | 1-19 | ◐ LIKELY ACTIVE |
| NNXTNano | Claremore | OK | Machinery Manufacturing333998 | 1-19 | ◐ LIKELY ACTIVE |
| STSolar Turbines Broken Arrow | Broken Arrow | OK | Machinery Manufacturing333611 | 100-499 | ◐ LIKELY ACTIVE |
| SPSubmersible Pumps, Inc. (SPI) | Cushing | OK | Machinery Manufacturing333911 | 20-99 | ◐ LIKELY ACTIVE |
Thomas Energy Systems INC | Tulsa | OK | Machinery Manufacturing333912 | 1-19 | ◐ LIKELY ACTIVE |
| VIVmi INC | Cushing | OK | Machinery Manufacturing333111 | 1-19 | ◐ LIKELY ACTIVE |
| ZWZeeco West | Broken Arrow | OK | Machinery Manufacturing333994 | 100-499 | ◐ LIKELY ACTIVE |
| 1E15 E Oklahoma Ave Spray Paint Booths | Okarche | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| AIAaon INC / 2425 S Yukon Ave | Tulsa | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| BHBaker Hughes Oilfield Operations, LLC | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| CMCharles Machine Works INC the / 1959 W Fir Ave | Perry | OK | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| FCFife CORP | Oklahoma City | OK | Machinery Manufacturing333999 | — | ◐ LIKELY ACTIVE |
| IEInternational Envir CORP / Air Conditioning Manufacturing Plant | Oklahoma City | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| LELinde Engineering North America, LLC | Catoosa | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| NSNorris Sucker Rods / 4801 W 49th St Norris Sucker Rod Faclt | Tulsa | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| RCRae CORP / Pryor Plant | Pryor | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| RIRamsey Ind / Ramsey Industries | Tulsa | OK | Machinery Manufacturing333923 | 100-499 | ◐ LIKELY ACTIVE |
| SBSchlumberger Bartlesville Product Center | Bartlesville | OK | Machinery Manufacturing333911 | — | ◐ LIKELY ACTIVE |
| TWTd Williamson INC / 6801 S 65th W Ave | Sapulpa | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| TUTerex USA LLC / Cmi Terex CORP | Oklahoma City | OK | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| TPThompson Pump CO / Okmulgee Oil Well Pump Mfg | Okmulgee | OK | Machinery Manufacturing333996 | 1-19 | ◐ LIKELY ACTIVE |
| UMUe Manufacturing | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| UEUnited Engines, LLC | Oklahoma City | OK | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| VPVault Pressure Control Shawnee | Shawnee | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
Air Power Equipment CO INC | Oklahoma City | OK | Machinery Manufacturing333912 | — | ◐ LIKELY ACTIVE |
| FLFlogistix, LP | Oklahoma City | OK | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
Hinz Refrigeration, INC. | Clinton | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| PMPrecision Metal Fab INC. | Ponca City | OK | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
United Refrigeration, INC. | Oklahoma City | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| AEAcme Environmental | Tulsa | OK | Machinery Manufacturing333998 | 1-19 | ◐ LIKELY ACTIVE |
| BIBlackhawk Industrial Distribution INC | Tulsa | OK | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| ESElectric Submersible Pumps, LLC | Pauls Valley | OK | Machinery Manufacturing333914 | 1-19 | ◐ LIKELY ACTIVE |
| TITek-Fins Incorporated | Tulsa | OK | Machinery Manufacturing333999 | 100-499 | ◐ LIKELY ACTIVE |