| MSMorgan Site Services, Inc. (3) | Houston | TX | Machinery Manufacturing333923 | 1-19 | ◐ LIKELY ACTIVE |
| NONATIONAL OILWELL VARCO - Spares Warehouse | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| NONATIONAL OILWELL VARCO - Technical College | Houston | TX | Machinery Manufacturing333132 | 1-19 | ◐ LIKELY ACTIVE |
| NWNorriseal Wellmark | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| NBNOV Breen | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| OEOffshore Electrical Equipment | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| OHOilgear Houston | Houston | TX | Machinery Manufacturing333914 | 20-99 | ◐ LIKELY ACTIVE |
| PPPeerless Pump - Houston | Houston | TX | Machinery Manufacturing333914 | 20-99 | ◐ LIKELY ACTIVE |
| PPPrecision Powered Products, INC | Houston | TX | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| POProserv Operations, LLC. | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| RFRig FM529 | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| RTRj Technical Solutions LLC | Houston | TX | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| RCRotork Controls Inc. Houston | Houston | TX | Machinery Manufacturing333995 | 100-499 | ◐ LIKELY ACTIVE |
| RPRubber Plant | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| SHSemaSys Houston | Houston | TX | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| SPSentinel Partner Solutions LLC | Houston | TX | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| STSolar Turbines incorporated DSHO Office | Houston | TX | Machinery Manufacturing333611 | 20-99 | ◐ LIKELY ACTIVE |
Spitzer Industries - Fisher Division | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
Spitzer Industries - Heavy Fabrication Division (HFD) | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| SCSterling Corporate Solutions LLC | Houston | TX | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| SPSulzer Pump Services (US) Inc. | Houston | TX | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
| STSVC-Houston, TX-USA | Houston | TX | Machinery Manufacturing333914 | 20-99 | ◐ LIKELY ACTIVE |
| SLSynedgedrive LLC | Houston | TX | Machinery Manufacturing333998 | — | ◐ LIKELY ACTIVE |
| SPSyzygy Plasmonics Pearland | Houston | TX | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| TETally Energy Services, LLC | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| TETAS Energy Inc. Airport | Houston | TX | Machinery Manufacturing333415 | 500+ | ◐ LIKELY ACTIVE |
| TETAS Energy Inc. Fidelity | Houston | TX | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| TETAS Energy-Robin Inc. | Houston | TX | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| TUTeikoku USA Inc - Texas | Houston | TX | Machinery Manufacturing333911 | 20-99 | ◐ LIKELY ACTIVE |
| TITitan Instruments Houston | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| TTTriveni Turbines Americas, Inc | Houston | TX | Machinery Manufacturing333611 | 1-19 | ◐ LIKELY ACTIVE |
| TWTX-Houston-11050 W Little Y | Houston | TX | Machinery Manufacturing333132 | 1-19 | ◐ LIKELY ACTIVE |
| TTX-Houston-Fallbrook | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| VPVault Pressure Control | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| VPViking Power Technologies Aeropark | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| VPViking Power Technologies Northpark | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
Womack Machine Supply Co Houston | Houston | TX | Machinery Manufacturing333996 | 20-99 | ◐ LIKELY ACTIVE |
| WBWom - Bop | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| WCWOM - Canemont | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| WFWOM - Fairmont | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| WSWOM - Subsea | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| WWOM-Wilcrest | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| ZTZeeco Texas Division | Houston | TX | Machinery Manufacturing333994 | 20-99 | ◐ LIKELY ACTIVE |
| CFCameo Fabricators | Houston | TX | Machinery Manufacturing333298 | 1-19 | ◇ UNVERIFIED |
| CICopeland Industries | Houston | TX | Machinery Manufacturing333319 | 1-19 | ◇ UNVERIFIED |
| DWD.m. Welding CORP | Houston | TX | Machinery Manufacturing333992 | 1-19 | ◇ UNVERIFIED |
| ETEmpire Torque Tools LLC | Houston | TX | Machinery Manufacturing333999 | 1-19 | ◇ UNVERIFIED |
| GIGds International, LLC | Houston | TX | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| JIJdm Industrial INC | Houston | TX | Machinery Manufacturing333318 | 1-19 | ◇ UNVERIFIED |
| MMMattco Manufacturing | Houston | TX | Machinery Manufacturing333132 | 1-19 | ◇ UNVERIFIED |