| WNWartsila North America INC | Houston | TX | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| AAAdvanced American Technology, INC. | Houston | TX | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| 1B146 Business Park, INC. | Houston | TX | Transportation Equipment Manufacturing336211 | 20-99 | ◇ UNVERIFIED |
| AGAllen Group INC - Magnum Manufacturingfg CO Div - Suite 102 | Houston | TX | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| AMAlpha Mar-imw CO. | Houston | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| CDCircle D Specialties (Sehorn Investments, LLC) | Houston | TX | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| CSC&j's Spring Shop, LLC | Houston | TX | Transportation Equipment Manufacturing336330 | — | ◇ UNVERIFIED |
| CMContinental Mfg. Company, INC. | Houston | TX | Transportation Equipment Manufacturing336120 | — | ◇ UNVERIFIED |
| EIEuphree Inc | Houston | TX | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| GGaf | Houston | TX | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| HSHamilton Sundstrand Space System International | Houston | TX | Transportation Equipment Manufacturing336419 | — | ◇ UNVERIFIED |
| HDHouston Drive Train Service INC. | Houston | TX | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| III.m.w., INC. | Houston | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| JPJesus Perez Fuel Injection Inc | Houston | TX | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |
| KVKeystone Valvetron INC | Houston | TX | Transportation Equipment Manufacturing336311 | — | ◇ UNVERIFIED |
| MSM.i.c. Services LLC | Houston | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| SVSubsea Ventures INC | Houston | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| TMTexas Motor Depot INC | Houston | TX | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| TTTitan Trailer Co LLC | Houston | TX | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| TKTrailer King Builders | Houston | TX | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| TRTtt Rei, LLC | Houston | TX | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |