| ATAnodize This | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ACApplied Cryo Technologies | Houston | TX | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| AWArchitectural Woodwork | Houston | TX | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| ACAshbrook CORP | Houston | TX | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| BHBaker Hughes Sheldon Road Plant | Houston | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BBB & B Plating | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| BTBell Trucks America INC. | Houston | TX | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| BHBlp Holdings | Houston | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| BMBonanza Marble | Houston | TX | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| BCBray Controls | Houston | TX | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| BSBrenntag Southwest - Greens Bayou | Houston | TX | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| BMBright Metals of the Heights | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| BRBrown & Root Incorporated Greens Bayou Fabrication Yard | Houston | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| BWB & W Metals | Houston | TX | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| CCCamo Chemical | Houston | TX | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CRCampbell Rmc Hardy Street | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCapital Southwest Rectorseal | Houston | TX | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CGCaterpillar Global Mining Amer Llc/houston | Houston | PA | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| CXCdab Xii | Houston | TX | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| CECemex Ellington Plant | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CHCemex Holmes Ready Mix Plant | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICerda Industries, INC. | Houston | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CFChampagne Fine Printing | Houston | TX | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CCChampion Coatings | Houston | TX | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CGChannel Greenhunter Biorefinery and Terminals | Houston | TX | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| CIChempak International | Houston | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CHChemstation Houston LLC | Houston | TX | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CPClorox Prods Mfg CO | Houston | TX | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators Incdba Cmc Rebar | Houston | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CSCmc Sterling Steel | Houston | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CVCray Valley USA LLC | Houston | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CPCustom Pipe Coating Houston | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DCDallas Chemical Techs INC | Houston | TX | Chemical Manufacturing325191 | — | ◇ UNVERIFIED |
| DMDaniel Measurement and Control | Houston | TX | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| DUDeacero USA | Houston | TX | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| DFDee Foundries INC. | Houston | TX | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| DPDels Plating Works | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DEDelta Engineering | Houston | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| DRDerichebourg Recycling USA | Houston | TX | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| DCDiamond Coatings | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| DFDiamond Fiberglass Houston Plant | Houston | TX | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| DHDoss & Harper Stone Co., INC. | Houston | MO | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| DPDover Precision Components | Houston | TX | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| DTDownhole Technology | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DRD & R Metal Finishing | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| DPDuco Pipe Manufacturing Facility | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| EIE I Dupont De Nemours | Houston | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ECEnduro Composite Systems | Houston | TX | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| EHEvans Houston CORP | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| ECExxon Chemical Americas Houston Chemical Plant | Houston | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
