| EEEnQuest Energy Solutions | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| GCGulf Coast Oil & Gas Industries | Houston | TX | Fabricated Metal Product Manufacturing332911 | 20-99 | ◐ LIKELY ACTIVE |
| NINailor Industries of Texas | Houston | TX | Fabricated Metal Product Manufacturing332322 | 500+ | ◐ LIKELY ACTIVE |
| PFPv Fluid Products | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| STSchlumberger Technology | Houston | TX | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| SAShield Air Solutions, INC. | Houston | TX | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
Stewart Tubular Products LLC | Houston | TX | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| GHGe Hydril | Houston | TX | Machinery Manufacturing333132 | 500+ | ◐ LIKELY ACTIVE |
Butterworth, INC. | Houston | TX | Machinery Manufacturing333998 | 1-19 | ◐ LIKELY ACTIVE |
| GGeneron | Houston | TX | Machinery Manufacturing333992 | 20-99 | ◐ LIKELY ACTIVE |
| NONational Oilwell Varco Houston Repair Center | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| NHNov Houston Creekmont Facility | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| OTOrbital Traction, LLC | Houston | TX | Machinery Manufacturing333612 | 1-19 | ◐ LIKELY ACTIVE |
Proserv Crane & Equipment INC | Houston | TX | Machinery Manufacturing333923 | 100-499 | ◐ LIKELY ACTIVE |
| TETas Energy | Houston | TX | Machinery Manufacturing333415 | 500+ | ◐ LIKELY ACTIVE |
| ACAlloy Carbide | Houston | TX | Machinery Manufacturing333912 | 20-99 | ◐ LIKELY ACTIVE |
| BHBaker Hughes Emmott Road Plant | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| BHBaker Hughes Rankin Rd Cnt | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| DIDril-quip INC | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| EEEnerflex Energy Systems | Houston | TX | Machinery Manufacturing333415 | 500+ | ◐ LIKELY ACTIVE |
| NONational Oilwell | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| RAReslink a Division of Schlumberger Technology | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
Smith International INC | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| VSVarco Shaffer Facility | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| ADAbaco Drilling Technologies | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| CBCactus - Bossier City TTM | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
Capwell Services INC | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| CGC-b Gear & Machine | Houston | TX | Machinery Manufacturing333612 | 1-19 | ◐ LIKELY ACTIVE |
| CECimarron Energy Inc | Houston | TX | Machinery Manufacturing333132 | 500+ | ◐ LIKELY ACTIVE |
Gaumer Company, INC. | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
Helix Earth Technologies INC | Houston | TX | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| MUMahindra USA | Houston | TX | Machinery Manufacturing333111 | 100-499 | ◐ LIKELY ACTIVE |
| MTMerichem Technologies - MPT | Houston | TX | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
Prime Elevator CORP | Houston | TX | Machinery Manufacturing333921 | — | ◐ LIKELY ACTIVE |
Sparrows Offshore LLC | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
Spitzer Industries, INC | Houston | TX | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
T.l. Precision Welding, INC | Houston | TX | Machinery Manufacturing333611 | — | ◐ LIKELY ACTIVE |
| AZAir Zone International | Houston | TX | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| GPGeneral Packaging Equip | Houston | TX | Machinery Manufacturing333999 | 20-99 | ◐ LIKELY ACTIVE |
| HOHouston Oilfield Equipment, INC. | Houston | TX | Machinery Manufacturing333132 | 1-19 | ◐ LIKELY ACTIVE |
| 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 |