| ANAkzo Nobel Surface Chemistry LLC Houston Plant | Houston | TX | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| AMAlloy Machine Works | Houston | TX | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| APAmacs Process Tower Internals | Houston | TX | Fabricated Metal Product Manufacturing332618 | 100-499 | ◐ LIKELY ACTIVE |
| AFAmy Food | Houston | TX | Food Manufacturing311412 | 1-19 | ◐ LIKELY ACTIVE |
| AGAppleton Grp | Houston | TX | Electrical Equipment, Appliance & Component Manufacturing335932 | 20-99 | ◐ LIKELY ACTIVE |
| ACAxalta Coating Systems USA Houston Plant | Houston | TX | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| AHAzz Houston | Houston | TX | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| BIBrochsteins INC. | Houston | TX | Wood Product Manufacturing321911 | — | ◐ LIKELY ACTIVE |
| CLCosaco LLC | Houston | TX | Chemical Manufacturing325188 | 20-99 | ◐ LIKELY ACTIVE |
Dynamic Crane Service and Fabrication INC | Houston | TX | Miscellaneous Manufacturing339999 | 20-99 | ◐ LIKELY ACTIVE |
| EOElectro-coatings of Texas INC | Houston | TX | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| EEEnQuest Energy Solutions | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| FSFarouk Systems | Houston | TX | Chemical Manufacturing325620 | 500+ | ◐ LIKELY ACTIVE |
| FFFederal Flange INC. | Houston | TX | Fabricated Metal Product Manufacturing332919 | 20-99 | ◐ LIKELY ACTIVE |
| FPForged Products | Houston | TX | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| FCFranklin Corporation | Houston | MS | Furniture and Related Product Manufacturing337121 | 500+ | ◐ LIKELY ACTIVE |
| GPGibson Products | Houston | TX | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| GCGulf Coast Oil & Gas Industries | Houston | TX | Fabricated Metal Product Manufacturing332911 | 20-99 | ◐ LIKELY ACTIVE |
| HCHouston Chemical Complex Battleground | Houston | TX | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| HCHouston Chemical Plant | Houston | TX | Chemical Manufacturing325212 | 1-19 | ◐ LIKELY ACTIVE |
| HPHouston Plant | Houston | TX | Textile Product Mills314999 | 100-499 | ◐ LIKELY ACTIVE |
| HBHunter Buildings and Manufacturing lp | Houston | TX | Fabricated Metal Product Manufacturing332311 | 100-499 | ◐ LIKELY ACTIVE |
Industrial Metal Finishing | Houston | TX | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| KIKik (houston) INC. | Houston | TX | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| LSLone Star Heat Treating CO LTD | Houston | TX | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| MFMaass Flange Lumberdale | Houston | TX | Fabricated Metal Product Manufacturing332112 | 1-19 | ◐ LIKELY ACTIVE |
Material Alteration Company, LLC | Houston | TX | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| MMMerchants Metals | Houston | TX | Fabricated Metal Product Manufacturing332618 | 100-499 | ◐ LIKELY ACTIVE |
| NINailor Industries of Texas | Houston | TX | Fabricated Metal Product Manufacturing332322 | 500+ | ◐ LIKELY ACTIVE |
| NGNatural Graphics INC | Houston | TX | Printing and Related Support Activities323119 | 20-99 | ◐ LIKELY ACTIVE |
Nema Enclosures Manufacturing of Texas LLC | Houston | TX | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| PRPetromax Refining Company, LLC | Houston | TX | Petroleum and Coal Products Manufacturing324110 | 20-99 | ◐ LIKELY ACTIVE |
| PPProske Plastic Products INC | Houston | TX | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| PFPv Fluid Products | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| QEQuality Electric Steel Castings | Houston | TX | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| RBRoyal Baths Manufacturing | Houston | TX | Plastics and Rubber Products Manufacturing326191 | 100-499 | ◐ LIKELY ACTIVE |
| STSchlumberger Technology | Houston | TX | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| SSSeah Steel USA | Houston | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| SAShield Air Solutions, INC. | Houston | TX | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| STStatewide Traffic Signal Company | Houston | TX | Computer and Electronic Product Manufacturing334290 | 20-99 | ◐ LIKELY ACTIVE |
Stewart Tubular Products LLC | Houston | TX | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| TITacot INC | Houston | TX | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| WSWestbrook Sales & Distributing | Houston | TX | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| WTWesthollow Technology Center | Houston | TX | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
Willis Electrical Sales of Texas, LLC. | Houston | TX | Electrical Equipment, Appliance & Component Manufacturing335313 | 1-19 | ◐ LIKELY ACTIVE |
| CFCoastal Foundry CO | Houston | TX | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| DFDee Foundries INC. | Houston | TX | Primary Metal Manufacturing331525 | 1-19 | ◐ LIKELY ACTIVE |
| EMEconomy Mud Products CO | Houston | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| FPFuture Pipe Industries | Houston | TX | Paper Manufacturing322110 | 100-499 | ◐ LIKELY ACTIVE |
| GHGe Hydril | Houston | TX | Machinery Manufacturing333132 | 500+ | ◐ LIKELY ACTIVE |