| CCCc Creations | Bryan | TX | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| SESamco Enterprises | Houston | TX | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
 Advanced Containment Systems | Houston | TX | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| ACAir Conditioning Mfg. | San Antonio | TX | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| AMApplied Materials | Austin | TX | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| ACAshbrook CORP | Houston | TX | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| BSBaytown Service Center | Baytown | TX | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| BCBehr Climate Systems INC | Fort Worth | TX | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| BTBell Trucks America INC. | Houston | TX | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| CCCarrier CORP Tyler | Tyler | TX | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| CSCaterpillar Seguin Engine Center | Seguin | TX | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| CXCdab Xii | Houston | TX | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| CIColumbus Industries Texas | El Paso | TX | Machinery Manufacturing333411 | — | ◇ UNVERIFIED |
| CSCpi - Stafford | Stafford | TX | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| DDDe Dietrich | Corpus Christi | TX | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| DRDerichebourg Recycling USA | Houston | TX | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| DTDorian Tool CO | East Bernard | TX | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| DPDover Precision Components | Houston | TX | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| DTDownhole Technology | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DPDragon Products North Silsbee Facility | Silsbee | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| EOElcan Optical Technologies | Richardson | TX | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| EREvapco - Rvs | Bryan | TX | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| FAFallas Automation | Waco | TX | Machinery Manufacturing333993 | — | ◇ UNVERIFIED |
| FEFmc Energy Systems | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FEForsyth Eng. & Machine CORP | Houston | TX | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| GEGe Engine Services Mcallen | Mcallen | TX | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| GOGe Oil & Gas Esp | Midland | TX | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| GHG & H Diversified Manufacturing | Houston | TX | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| GMGoodman Mfg. CO. L.p. | Houston | TX | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| HCHalliburton Casing Manufacturing Center of Excelle | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services - Carrollton Mfg & Technology | Carrollton | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services Carrollton Plant | Carrollton | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services INC Security Dbs | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services North Belt Facility | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HMHowco Metals Management | Yorktown | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HMHughes M.p.d. | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| IPInfrared Products - L-3 | Garland | TX | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| IDInnovex Downhole Solutions | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| JPJohnson Pump General | Brookshire | TX | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| LLancer | San Antonio | TX | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| LILoadcraft Industries | Brady | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| MMMagee Machine and Manufacturing | Mesquite | TX | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| MCMartin Conveyor Division | Mansfield | TX | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| MSMartin Sprocket & Gear Fort Worth | Fort Worth | TX | Machinery Manufacturing333293 | — | ◇ UNVERIFIED |
| MTMaterials Transportation | Temple | TX | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| MMerichem | Houston | TX | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| MHMetals House INC | Houston | TX | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| NONational Oilwell Galena Park | Galena Park | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| NFNhr Facility | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| NCNoble Construction Equipment INC | Lubbock | TX | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
