| KCKerkstra Creative Corporation | Tulsa | — | ◇ UNVERIFIED |
| KMKeystone Machine Works | Sand Springs | — | ◇ UNVERIFIED |
| LELaser En'ovation & Fabrication, INC. | Tulsa | — | ◇ UNVERIFIED |
| LGLaser Group, LLC | Tulsa | — | ◇ UNVERIFIED |
| LALouvers and Equipment Manufacturing, Inc., Dba Lemi | Owasso | — | ◇ UNVERIFIED |
| MMalo | Tulsa | — | ◇ UNVERIFIED |
| MIMaro International Corporation | Tulsa | — | ◇ UNVERIFIED |
| MMMaro Manufacturing, INC. | Tulsa | — | ◇ UNVERIFIED |
| MCMetal Cleaning and Fininshing | Tulsa | — | ◇ UNVERIFIED |
| MSMetro Sales and Assembly, INC. | Broken Arrow | — | ◇ UNVERIFIED |
| MMiswaco | Tulsa | — | ◇ UNVERIFIED |
| MMM & M Manufacturing, INC. | Tulsa | — | ◇ UNVERIFIED |
| MMM & M Manufacturing, INC. | Tulsa | — | ◇ UNVERIFIED |
| MPModern Plating CO. INC. | Tulsa | — | ◇ UNVERIFIED |
| MBM.w. Bevins CO. | Tulsa | — | ◇ UNVERIFIED |
| NMNeilson Manufacturing | Tulsa | — | ◇ UNVERIFIED |
| NINewfield Industries INC. | Tulsa | — | ◇ UNVERIFIED |
| OSOklahoma Specialties INC. | Owasso | — | ◇ UNVERIFIED |
| PPPattison Precision Products, INC. | Broken Arrow | — | ◇ UNVERIFIED |
| PPPaul Precision Machine INC. | Tulsa | — | ◇ UNVERIFIED |
| PSPenny Sheet Metal, L.l.c. | Broken Arrow | — | ◇ UNVERIFIED |
| PMP & M Industries, INC. | Tulsa | — | ◇ UNVERIFIED |
| PBPowder Blue of Oklahoma | Tulsa | — | ◇ UNVERIFIED |
| PSPrecision Sintered Parts, L.l.c. | Tulsa | — | ◇ UNVERIFIED |
| PVPremier Valve Group | Broken Arrow | — | ◇ UNVERIFIED |
| QMQuality Machining of Broken Arrow, LLC | Broken Arrow | — | ◇ UNVERIFIED |
| QBQuick Brick | Tulsa | — | ◇ UNVERIFIED |
| RReflections | Sperry | — | ◇ UNVERIFIED |
| RMRise Manufactruring, LLC | Broken Arrow | — | ◇ UNVERIFIED |
| RMRiverside Machine | Tulsa | — | ◇ UNVERIFIED |
| RHRoto Hammer Industries, INC. | Tulsa | — | ◇ UNVERIFIED |
| SISbpj INC. D/b/a Damar Manufacturing | Tulsa | — | ◇ UNVERIFIED |
| SISbs Industries | Tulsa | — | ◇ UNVERIFIED |
| STSierra Technologies | Tulsa | — | ◇ UNVERIFIED |
| SLSimair, LTD | Bixby | — | ◇ UNVERIFIED |
| SSSouthern Specialties CORP | Tulsa | — | ◇ UNVERIFIED |
| SWSouthwestern Wire Cloth, INC. | Broken Arrow | — | ◇ UNVERIFIED |
| SUSouthwest United Industries Incorporated | Tulsa | — | ◇ UNVERIFIED |
| SSSpecific Systems, LLC | Tulsa | — | ◇ UNVERIFIED |
| SAStarlite Aluminum Products INC. | Tulsa | — | ◇ UNVERIFIED |
| SMStar Machine | Tulsa | — | ◇ UNVERIFIED |
| SCSulzer Chemtech | Tulsa | — | ◇ UNVERIFIED |
| SASunvair Aerospace Group INC / Mingo Aerospace | Owasso | — | ◇ UNVERIFIED |
| TATabko Aluminum Products, INC. | Tulsa | — | ◇ UNVERIFIED |
| TMTC Machine & Manufacturing, Inc. | Tulsa | — | ◇ UNVERIFIED |
| TAThe Agilis Group Dba Southern Specialties | Tulsa | — | ◇ UNVERIFIED |
| THThe Home Stake Royalty Corporation | Tulsa | — | ◇ UNVERIFIED |
| TOThe Olympic Company | Tulsa | — | ◇ UNVERIFIED |
| TWThermal Windows, INC. | Tulsa | — | ◇ UNVERIFIED |
| TMThompson Manufacturing Company INC. | Tulsa | — | ◇ UNVERIFIED |
