| SFShawnee Fabricators, INC. | Shawnee | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSShawnee Steel Company | Shawnee | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SMSheet Metal Specialist of Edmond, LLC | Edmond | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| STSierra Technologies | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SLSimair, LTD | Bixby | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SSSmart Shelters, INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SMSooner Manufacturing | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SSSouthern Specialties CORP | Tulsa | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| SESouthwest Engineering Company | Oklahoma City | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SWSouthwestern Wire Cloth, INC. | Broken Arrow | OK | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| SFSouthwest Fabricators | Hugo | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSSpecific Systems, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SLSportswire LLC | Langley | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SHSpx Heat Transfer INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SAStarlite Aluminum Products INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| SMStar Machine | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SIStraitline, INC. | Okarche | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SCSulzer Chemtech | Tulsa | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| SCSulzer Chemtech Usa, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SFSummertree Fence Company, INC. | Shawnee | OK | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| SHSun Heat Treating, Inc./sun Materials Testing | Tulsa | OK | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| SMSunrooms & More Design Center INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| SCSunspot Carports & Patio | Claremore | OK | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| SASunvair Aerospace Group INC / Mingo Aerospace | Owasso | OK | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SFSuperior Fabrication, INC | Elk City | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| SFSuperior Fabrication, INC. | Ada | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| SGSuperior Grinding and Sales, INC. | Claremore | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SRSuperior Recreational Products, INC. | Mcalester | OK | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| TATabko Aluminum Products, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TMTC Machine & Manufacturing, Inc. | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TCTechnotherm CORP. | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| TDTed Davis Enterprises, INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| TETerac Equipment, LLC | Broken Arrow | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TBTerry Building CO. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| TTFirearms | Altus | OK | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| TLTft, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| TAThe Agilis Group Dba Southern Specialties | Tulsa | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| THThe Home Stake Royalty Corporation | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TOThe Olympic Company | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
 Thermal Engineering International (usa), INC. a Subsidary of Babcock Power | Sapulpa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
 Thermal Pipe Systems, INC. | Durant | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TWThermal Windows, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TWThomas Wren Welding and Construction | Oklahoma City | OK | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| TMThompson Manufacturing Company INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
 Thompson Metal Fab, INC. | Broken Arrow | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TMThompson's Metal Coating | Owasso | OK | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| TRTimely Rewards, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TITmco, INC | Wewoka | OK | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| TMT & M Fabrication, INC. | Sapulpa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TBTMF Burnsco, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
