| MWMi Windows and Doors | Flower Mound | TX | Plastics and Rubber Products Manufacturing326199 | 500+ | ◐ LIKELY ACTIVE |
| MKM & K Plating | Fort Worth | TX | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| MMM&m Metals | San Antonio | TX | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
Modern Machine Shop, INC. | Laredo | TX | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| NBNci Building Systems LP | Houston | TX | Wood Product Manufacturing321920 | — | ◐ LIKELY ACTIVE |
| NSNeopod Systems | New Braunfels | TX | Fabricated Metal Product Manufacturing332311 | 100-499 | ◐ LIKELY ACTIVE |
| NCNorris Cylinder Company- Longview | Longview | TX | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| NINucor Insulated Panel Group Texas | Lewisville | TX | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| NVNucor Vulcraft Grapeland Division | Grapeland | TX | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| OPOaks Precision Fabricating | Houston | TX | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| PFPlant Fabricators | Floresville | TX | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| PGPly Gem Windows | Bryan | TX | Primary Metal Manufacturing331316 | 100-499 | ◐ LIKELY ACTIVE |
| PHPrecise Hard Chrome | Waco | TX | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| RMRangaire Mfg | Cleburne | TX | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| RVRefrigeration Vessels & Systems Corporation | Bryan | TX | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| RBRexam Beverage Can Longview Plant | Longview | TX | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| RRki | Houston | TX | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| RNR & N Manufacturing, LTD. | Cypress | TX | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| RMR/t Manufacturing INC | Garland | TX | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SGSabre Galvanizing Services | Alvarado | TX | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| SPSavage Precision Fabrication, INC | Wylie | TX | Fabricated Metal Product Manufacturing332322 | — | ▲ REPORTED CLOSED |
| SBSchulte Building Systems, Inc.-Hockley | Hockley | TX | Fabricated Metal Product Manufacturing332311 | 100-499 | ◐ LIKELY ACTIVE |
| SVScv Valve | Santa Fe | TX | Fabricated Metal Product Manufacturing332911 | 20-99 | ◐ LIKELY ACTIVE |
| SFSenior Flexonics Pathway - Texas | New Braunfels | TX | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| SOServices OWS Dallas | Fort Worth | TX | Fabricated Metal Product Manufacturing332912 | 20-99 | ◐ LIKELY ACTIVE |
| SPSienko Precision, LLC | Houston | TX | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| SMSignal Metal Industries - Irving, TX | Irving | TX | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| SFSimmons Fabricators, LTD | Pasadena | TX | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| SISmith Industries | Midland | TX | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
| SMSmith-palmer Manufacturing LLC | Wylie | TX | Fabricated Metal Product Manufacturing332322 | — | ▲ REPORTED CLOSED |
| SFSouthern Folger Detention Equipment Company - Manufacturing Division | San Antonio | TX | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| SGSouthwest Galvanizing | Houston | TX | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| SStairways | Houston | TX | Fabricated Metal Product Manufacturing332323 | 20-99 | ◐ LIKELY ACTIVE |
| SCSteel Construction Services, LLC | Fort Worth | TX | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| SPSteel Painters Industrial LLC | Beaumont | TX | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| SAStructural and Steel Products | Fort Worth | TX | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| TTcr | Houston | TX | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| TMTechniform Metal Curving of Texas, INC. | Mabank | TX | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| TCTenaris Coiled Tubes - Downhole Center | Houston | TX | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| TMTenaris Midland Service Center | Midland | TX | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
The Har-conn Chrome of Texas | Fort Worth | TX | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| TSThornton Steel San Antonio | Elmendorf | TX | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| TSTower Steel Services | Tomball | TX | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| TRTransco Railway Products | Houston | TX | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| TUTS Upsetting and Threading | Houston | TX | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| TITurner International Piping Systems | Paris | TX | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| UCUniform Components Corp. | Houston | TX | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| USUnited Structures of America | Houston | TX | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
| UPUtex Precision Machined Products | Willis | TX | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| VTValex Texas Weldments | Round Rock | TX | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |