| PMP & M Industries, INC. | Tulsa | — | ◇ UNVERIFIED |
| PBPowder Blue of Oklahoma | Tulsa | — | ◇ UNVERIFIED |
| PFPrecision Fabricators, INC. | Tulsa | — | ◇ UNVERIFIED |
| PMPrecision Metal Fabrication, INC | Ponca City | — | ◇ UNVERIFIED |
| PMPrecision Mfg & Design INC | Langley | — | ◇ UNVERIFIED |
| PSPrecision Sintered Parts, L.l.c. | Tulsa | — | ◇ UNVERIFIED |
| PTPrecision Tool and Die, LLC | Ponca City | — | ◇ UNVERIFIED |
| PIPremiercraft INC. | Oklahoma City | — | ◇ UNVERIFIED |
| PSPremier Steel Services LLC | Glenpool | — | ◇ UNVERIFIED |
| PVPremier Valve Group | Broken Arrow | — | ◇ UNVERIFIED |
| PSProgressive Stamping, LLC | Oklahoma City | — | ◇ UNVERIFIED |
| PSPro Stainless & Sheet Metal LLC | Oklahoma City | — | ◇ UNVERIFIED |
| PSPublic Supply Company | Oklahoma City | — | ◇ UNVERIFIED |
| QMQuality Machining of Broken Arrow, LLC | Broken Arrow | — | ◇ UNVERIFIED |
| QSQuality Stainless, INC. | Oklahoma City | — | ◇ UNVERIFIED |
| QBQuick Brick | Tulsa | — | ◇ UNVERIFIED |
| RMRam Machine Products, LLC | Broken Arrow | — | ◇ UNVERIFIED |
| RFRCO Fabrication, LLC | Cushing | — | ◇ UNVERIFIED |
| RDR & D Maintenance Services | Stringtown | — | ◇ UNVERIFIED |
| RFRedneck Firearms, INC. | Harrah | — | ◇ UNVERIFIED |
| RReflections | Sperry | — | ◇ UNVERIFIED |
| RARise Armament | Broken Arrow | — | ◇ UNVERIFIED |
| RMRise Manufactruring, LLC | Broken Arrow | — | ◇ UNVERIFIED |
| RMRise Manufacturing, LLC | Broken Arrow | — | ◇ UNVERIFIED |
| RMRiverside Machine | Tulsa | — | ◇ UNVERIFIED |
| RKR Kerns Welding and Fabrication | Catoosa | — | ◇ UNVERIFIED |
| RSRoark Services LLC | Claremore | — | ◇ UNVERIFIED |
| RIRobertson-ceco Ii CORP. | Oklahoma City | — | ◇ UNVERIFIED |
| RRRocking R Ranch LLC | Noble | — | ◇ UNVERIFIED |
| RURoll-offs USA INC. | Durant | — | ◇ UNVERIFIED |
| RHRoto Hammer Industries, INC. | Tulsa | — | ◇ UNVERIFIED |
| RPRoy P Benton | Wagoner | — | ◇ UNVERIFIED |
| RPRupture Pin Technology, INC. | Oklahoma City | — | ◇ UNVERIFIED |
| SFSample Facility | Tahlequah | — | ◇ UNVERIFIED |
| SMSarduccis Metal Works, INC. | Tulsa | — | ◇ UNVERIFIED |
| SISbpj INC. D/b/a Damar Manufacturing | Tulsa | — | ◇ UNVERIFIED |
| SISbs Industries | Tulsa | — | ◇ UNVERIFIED |
| STScreen Tech International | Tulsa | — | ◇ UNVERIFIED |
| SFSfs Fabrication | Tulsa | — | ◇ UNVERIFIED |
| SFShawnee Fabricators | Shawnee | — | ◇ UNVERIFIED |
| SFShawnee Fabricators, INC. | Shawnee | — | ◇ UNVERIFIED |
| SSShawnee Steel Company | Shawnee | — | ◇ UNVERIFIED |
| SMSheet Metal Specialist of Edmond, LLC | Edmond | — | ◇ UNVERIFIED |
| STSierra Technologies | Tulsa | — | ◇ UNVERIFIED |
| SLSimair, LTD | Bixby | — | ◇ UNVERIFIED |
| SSSmart Shelters, INC. | Oklahoma City | — | ◇ UNVERIFIED |
| SMSooner Manufacturing | Tulsa | — | ◇ UNVERIFIED |
| SSSouthern Specialties | Tulsa | — | ◇ UNVERIFIED |
| SSSouthern Specialties CORP | Tulsa | — | ◇ UNVERIFIED |
| SESouthwest Engineering Company | Oklahoma City | — | ◇ UNVERIFIED |
