| GCGulf Copper Central Yard | Port Arthur | TX | Transportation Equipment Manufacturing336611 | 100-499 | ◐ LIKELY ACTIVE |
| GAGulfstream AFW | Fort Worth | TX | Transportation Equipment Manufacturing336411 | 100-499 | ◐ LIKELY ACTIVE |
| GAGulfstream AFW | Ft. Worth | TX | Transportation Equipment Manufacturing336411 | 100-499 | ◐ LIKELY ACTIVE |
| GGGvdc Galveston, Vdc | Galveston | TX | Transportation Equipment Manufacturing336111 | 20-99 | ◐ LIKELY ACTIVE |
| HIHaastech INC | Houston | TX | Transportation Equipment Manufacturing336320 | — | ◐ LIKELY ACTIVE |
| HTHal @ Tmmtx | San Antonio | TX | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| HTHarlingen, TX | Harlingen | TX | Transportation Equipment Manufacturing336510 | 1-19 | ◐ LIKELY ACTIVE |
| HMHarris Manufacturing Services, LLC | Lewisville | TX | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| HTHeil Trailer International LLC | Gatesville | TX | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| HSHelicopter Services Group, INC. | Fort Worth | TX | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| HHerdcommoditiesllc | Houston | TX | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| HSHippocampus Submersible Equipment LLC | Katy | TX | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| HIHolley Inc. - MSD | El Paso | TX | Transportation Equipment Manufacturing336320 | 100-499 | ◐ LIKELY ACTIVE |
| HUHolman Upfitting - Fort Worth | Fort Worth | TX | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| HGHouston Global Distribution LLC | Tomball | TX | Transportation Equipment Manufacturing336992 | — | ◐ LIKELY ACTIVE |
| HUHouston Upfit | Houston | TX | Transportation Equipment Manufacturing336999 | 1-19 | ◐ LIKELY ACTIVE |
| HTHunter Trailers, LLC | El Paso | TX | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| IGImperial Group | Decatur | TX | Transportation Equipment Manufacturing336211 | 100-499 | ◐ LIKELY ACTIVE |
| ITInland Truck Parts Company 22 | Fort Worth | TX | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| ITInland Truck Parts Company 22 | Ft. Worth | TX | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| ITInland Truck Parts Company 30 | Irving | TX | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| ITInland Truck Parts Company 33 | Austin | TX | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| ITInland Truck Parts Company 39 | San Antonio | TX | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| IPInquest Power, LLC | Katy | TX | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| IIIntegrity Inspections & Consulting LLC | Rosharon | TX | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
ITI Engineering Fort Worth Office | Fort Worth | TX | Transportation Equipment Manufacturing336413 | 1-19 | ◐ LIKELY ACTIVE |
| JLJeanie Ladell INC | Weatherford | TX | Transportation Equipment Manufacturing336992 | — | ◐ LIKELY ACTIVE |
| JPJeffery P Morin | Fredericksburg | TX | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| JEJet Engine Support INC. | Farmers Branch | TX | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| JWJones & Whitaker LLC | Red Oak | TX | Transportation Equipment Manufacturing336999 | — | ◐ LIKELY ACTIVE |
| KHKada Holdings, INC. | Houston | TX | Transportation Equipment Manufacturing336999 | — | ◐ LIKELY ACTIVE |
| KMKathleen Marie Kiesling | Fort Worth | TX | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| KWKbr Wyle Services, LLC | Webster | TX | Transportation Equipment Manufacturing336419 | — | ◐ LIKELY ACTIVE |
| KKKemet Konnections INC | Spring | TX | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| KOKiewit Offshore Services, Ltd._2440 Kiewit Road | Ingleside | TX | Transportation Equipment Manufacturing336611 | 500+ | ◐ LIKELY ACTIVE |
| KCKinetic Custom Trailers USA Inc. | Waco | TX | Transportation Equipment Manufacturing336212 | 1-19 | ◐ LIKELY ACTIVE |
| KPKingdom Precision Machining LLC | Burleson | TX | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| KTKit Turbines LLC | Houston | TX | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| KPK&k Pilot Car Services L.l.c. | Spring | TX | Transportation Equipment Manufacturing336999 | — | ◐ LIKELY ACTIVE |
| KTKnapheide Truck Equipment Company Southwest | Red Oak | TX | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| LAL3Harris AS IAS Waco | Waco | TX | Transportation Equipment Manufacturing336411 | 500+ | ◐ LIKELY ACTIVE |
| LULife Up Top, LLC | Sugar Land | TX | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| LWLive Wire Customs, LLC | Cleburne | TX | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation Grand Prairie Campus (1435) | Grand Prairie | TX | Transportation Equipment Manufacturing336414 | 500+ | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation HOUSTON-2100 SPACE PARK DRIVE (3537) | Houston | TX | Transportation Equipment Manufacturing336414 | 100-499 | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation Lufkin (1551) | Lufkin | TX | Transportation Equipment Manufacturing336414 | 100-499 | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation TX-Fort Worth-FAA Blvd (5445) | Fort Worth | TX | Transportation Equipment Manufacturing336414 | 20-99 | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation US TX Dallas 1727 S Main St (5267) | Dallas | TX | Transportation Equipment Manufacturing336411 | 100-499 | ◐ LIKELY ACTIVE |
| LSLone Star Assembly (Challenge Manufacturing Plant 6) | Irving | TX | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| LSLone Star Tire and Axle | Corsicana | TX | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |