| APAfton Pumps - Ave N | Houston | TX | Machinery Manufacturing333911 | 20-99 | ◐ LIKELY ACTIVE |
Doble Engineering Company (Houston, TX) | Houston | TX | Machinery Manufacturing333310 | 1-19 | ◐ LIKELY ACTIVE |
| DPDover Pearland Operations | Houston | TX | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| DODuffens Optical | Houston | TX | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| FFlowserve | Houston | TX | Fabricated Metal Product Manufacturing332911 | 20-99 | ◐ LIKELY ACTIVE |
| GPGeneral Plastics and Composites | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| HHouston | Houston | TX | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| HSHouston Service Industries | Houston | TX | Machinery Manufacturing333319 | 20-99 | ◐ LIKELY ACTIVE |
| KBK & B Industries Houston Facility | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| MEMeridian Equipment, INC. | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| NWNov Wise Breen Drive | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| PPProsource Packaging INC | Houston | TX | Machinery Manufacturing333993 | 1-19 | ◐ LIKELY ACTIVE |
| RWR W Machine, Inc. | Houston | TX | Machinery Manufacturing333514 | 1-19 | ◐ LIKELY ACTIVE |
| SESiemens Energy | Houston | TX | Machinery Manufacturing333611 | 100-499 | ◐ LIKELY ACTIVE |
| SLSpooltech, LLC | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| TETAS Energy Inc. Wingfoot | Houston | TX | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| TTcr | Houston | TX | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| TOThrustmaster of Texas, INC | Houston | TX | Machinery Manufacturing333120 | — | ▲ REPORTED CLOSED |
| UCUpg Company, LLC | Houston | TX | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| GPGe Packaged Power Jport | Houston | TX | Machinery Manufacturing333611 | — | ◐ LIKELY ACTIVE |
| HCHarry Cameron Technology Center | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| MBMonoflo Breen Road Facility | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| NRNov Rig Systems Rubber Plant | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
Oil States Industries, INC. - Mmc | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| SISond Industries LLC | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| SCSuperior Completion Services | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| TGTechnipfmc Gremp Campus | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
Advanced Containment Systems | Houston | TX | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| ACAshbrook CORP | Houston | TX | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| BTBell Trucks America INC. | Houston | TX | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| CGCaterpillar Global Mining Amer Llc/houston | Houston | PA | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| CXCdab Xii | Houston | TX | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| DRDerichebourg Recycling USA | Houston | TX | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| DPDover Precision Components | Houston | TX | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| DTDownhole Technology | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FEFmc Energy Systems | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FEForsyth Eng. & Machine CORP | Houston | TX | Machinery Manufacturing333318 | — | ◇ 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 INC Security Dbs | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HMHughes M.p.d. | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| IDInnovex Downhole Solutions | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| MHMetals House INC | Houston | TX | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| OSOil States Industries | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| RHReed Hycalog LP | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| RSRelevant Solutions | Houston | TX | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| S3Stage 3 Separation | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TEThe Exone | Houston | TX | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| THTps Houston Group | Houston | TX | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |