| GRGreenway Recycling Services | Pasadena | TX | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| GOGt Omniport Marine Dock | Port Arthur | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| GCGulf Coast Machine & Supply CO | Beaumont | TX | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| GCGulf Copper and Manufacturing Corporation | Port Arthur | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| GCGulf Copper Drydock & Rig Repair | Galveston | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| GMGulf Marine Fabricators North | Aransas Pass | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| GIGull Industries | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| G5Gunter 5 Cbp | Gunter | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GCGunter Cbp | Gunter | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GCGunter Cbp 1 | Gunter | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HCHalliburton Casing Manufacturing Center of Excelle | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services - Carrollton Mfg & Technology | Carrollton | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services Carrollton Plant | Carrollton | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services INC Security Dbs | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services North Belt Facility | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HAHanson Aggregates | Burnet | TX | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HPHanson Pressure Pipe INC - Lubbock Plant | Lubbock | TX | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| HRHardy Road Location | Spring | TX | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| HCHartree Channelview - Suite B | Channelview | TX | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| HIHarwood Industries INC | Tyler | TX | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| HPHaslet Plant | Haslet | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HCHeb Corpus Christi Retail Support Center | Corpus Christi | TX | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| HRHeb Rittiman Road Complex | San Antonio | TX | Food Manufacturing311919 | — | ◇ UNVERIFIED |
| HPHeritage Press | Dallas | TX | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| HHexion | Cleburne | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| HBHexion Brady | Brady | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| HCH&h Concrete on Demand | Irving | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HTHighland Threads | Houston | TX | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| HTHigh Tech Finishing | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HMHi-tech Metals | Denton | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HDHm Dunn | Euless | TX | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| HHHna Holdings INC. | Pasadena | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| HCHoover Circular Solutions Houston | Houston | TX | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| HCHoover CO El Paso Plant | El Paso | TX | Electrical Equipment, Appliance & Component Manufacturing335210 | — | ◇ UNVERIFIED |
| HCHorsehead CORP | Rose City | TX | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| HCHouston Coca-cola Bottling CO | Houston | TX | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| HLHouston Lube Oil Blending Plant | Galena Park | TX | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| HPHouston Plating & Bumper | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HRHouston R & O | Houston | TX | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| HSHouston Ship Repair INC | Orange | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| HUHouston Unlimited Metal Processing | Chappell Hill | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| HMHowco Metals Management | Yorktown | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HCHrsc Combo Warehouse & Produce Facility | Houston | TX | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| HMHughes M.p.d. | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HHumco | Texarkana | TX | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| HPHuntsman Polymers | Odessa | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| HMHuntsville Memorial Hospital | Huntsville | TX | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| HPHurst Plant | Hurst | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HIHutson Industries INC | Frisco | TX | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| HUHydril USA Distribution - Hhp | Humble | TX | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
