| DMDaniel Measurement and Control | Houston | TX | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| DPDels Plating Works | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ 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 |
| ESEngy Southwest Container Products | Houston | TX | Fabricated Metal Product Manufacturing332439 | 20-99 | ◇ UNVERIFIED |
| EHEvans Houston CORP | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| FCFalcon Contracting Company Inc, Houston Asphalt Plant | Houston | MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| FSFarouk Systems Richy Rd Warehouse | Houston | TX | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| FCFlintlock Concrete Batch Plant | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FAFlow America | Houston | TX | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| FEFmc Energy Systems | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FEForsyth Eng. & Machine CORP | Houston | TX | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| GAGarret Aviation Services | Houston | TX | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| GHG & H Diversified Manufacturing | Houston | TX | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| GMGoodman Mfg. CO. L.p. | Houston | TX | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| GIGull Industries | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HCHalliburton Casing Manufacturing Center of Excelle | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services INC Security Dbs | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HAHerbs Auto Body - 610 Front St, Houston | Houston | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| HTHighland Threads | Houston | TX | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| HTHigh Tech Finishing | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HCHoover Circular Solutions Houston | Houston | TX | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| HCHouston Coca-cola Bottling CO | Houston | TX | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| HFHouston Foam Fabricators INC | Houston | MS | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
| HWHouston Wood Treatment Plant | Houston | MO | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| HCHrsc Combo Warehouse & Produce Facility | Houston | TX | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| HMHughes M.p.d. | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| IHImi Houston | Houston | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| ITInhance Technologies - Suite 100 | Houston | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| IDInnovex Downhole Solutions | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| IDInternational Diamond Services | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| ISIvy Steel and Wire Company | Houston | TX | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| LFLancaster Furniture Company | Houston | TX | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| LPLead Products - Houston | Houston | TX | Primary Metal Manufacturing331423 | — | ◇ UNVERIFIED |
| LMLindon Manufacturing & Laboratory | Houston | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| MCMaterial Containment INC | Houston | TX | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| MCMaximus Coffee Group | Houston | TX | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| MPMetal Prep Houston Plant | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MHMetals House INC | Houston | TX | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| MIMetox International | Houston | TX | Electrical Equipment, Appliance & Component Manufacturing335931 | — | ◇ UNVERIFIED |
| MIMillar Instruments | Houston | TX | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| MIMirror Industries | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
