| MIMadison INC / 8500 New Sapulpa Rd | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| MDMcdonnell Douglas Tulsa | Tulsa | OK | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| MCMill Creek Lumber Dba Wood Systems INC / Wood Systems Tulsa Facility | Tulsa | OK | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| MBMohawk Batch Plant | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| NCNalco CO Tulsa Plant 102 | Tulsa | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| NONational Oilwell Varco/ Flanagan Iron Works | Tulsa | OK | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| NRNordam Repair Division | Tulsa | OK | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| NANorth American Galvanizing CO. Plant2 | Tulsa | OK | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| NANov Ameron Tulsa Pole Products Tube Manufacturing | Tulsa | OK | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| NANov Ameron Tulsa Pole Products Welding & Fabrication | Tulsa | OK | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| NFNov Fiber Glass Systems, LP Aka Containment Solutions, INC. | Tulsa | OK | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| OCOcv Control Valves Precision Coatings / Ocv Control Valves Precision Coatings | Tulsa | OK | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| OFOklahoma Forge | Tulsa | OK | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| OFOzark Fluorine Spcl/ozark Fluorine Speci | Tulsa | OK | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| PLPenloyd LLC | Tulsa | OK | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| PCPort City Metal Services INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| PLPrescor LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| PBProgressive Brass Mfg CO / Progressive Brass Mfg CO | Tulsa | OK | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| PPyrotek | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| QCQuikrete Companies LLC / Quikrete Tulsa 11th St | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| QTQuikrete - Tulsa, Ok Plant [2] | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| RARolled Alloys | Tulsa | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| SJSan Juan Pools of Ok / 1518 E 5th Ct San Juan Pools | Tulsa | OK | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| SWShaw Word Ind. Fabricators | Tulsa | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SESmithco Engineering INC | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SHSpx Heat Transfer INC / Steel Products Fabrication | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SNSwep North America | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| TOTeam Oil Tools | Tulsa | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TCTerex CORP Unit Rig Div | Tulsa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TCTrinity Containers LLC / Plt 27 | Tulsa | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| TATulsa Asphalt LLC - Becco Asphalt Plt 1 | Tulsa | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| UCUniversal Compression INC | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| VIValmont Industries INC | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| ABAvery Barron Industries - Fabrication, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| ELEconomasters, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MMMetro Mechanical Supply | Tulsa | OK | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| RFRooks Fabrication, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SMStrope Manufacturing, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| 4N412 N Cheyenne | Tulsa | OK | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ASAction Spring Company, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332611 | — | ◇ UNVERIFIED |
| AIAdvanced Industrial Devices | Tulsa | OK | Electrical Equipment, Appliance & Component Manufacturing335210 | — | ◇ UNVERIFIED |
| APAdvanced Precision Fabricators | Tulsa | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| ADAir Duct, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| APAir Power Systems Company | Tulsa | OK | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
| APAirtech Products, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| AEAjt Enterprises, INC. | Tulsa | OK | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| APAllegra Print & Imaging | Tulsa | OK | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| ASAllen Sheet Metal INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| ACAllman Canopies and Construction | Tulsa | OK | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| AMAllred Manufacturing, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
