| HPHanson Pipe & Products INC Helmers | Houston | TX | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| HRHanson Roof Tile INC | Houston | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| HHHarrison Hydragen | Houston | TX | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| HRHarwin Rmc Plant | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HHHBCS Hi-Bar Custom Services LLC | Houston | TX | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| HWHeatset Web Printing | Houston | TX | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| HGHeckart Group LLC | Houston | TX | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| HSHendrix Specialty Fabrication INC. | Houston | TX | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| HPHerman Packaging Co., Inc. | Houston | TX | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| HPHerman Packaging Co., Inc. | Houston | TX | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| HFHerrera Fabricating INC. | Houston | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| HSHerring Sales, Inc. | Houston | TX | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| HEH. E. S. Enterprises, LLC | Houston | TX | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| HIHesse Industrial Sales INC. Dba Texas Manufacturin | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| HSHigh Standard Manufacturing Company, INC. | Houston | TX | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| HMHightower Metal Works | Houston | TX | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| HDHighway Distillery, LLC | Houston | TX | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
| HLHixson Lumber Sales of Houston | Houston | TX | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| HPHmss Plant - Jacintoport | Houston | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| HPHNH Properties LLC | Houston | TX | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| HCHoechst Celanese Chemical INC | Houston | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| HEHolcomb Environmental Oil Service | Houston | TX | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| HBHoller Brewing Co. | Houston | TX | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| HAHonghua America | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HLHortiprocess LLC | Houston | TX | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| HOHouse of Forgings, LLC | Houston | TX | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| HAHouston Asphalt Terminal | Houston | TX | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HDHouston Drive Train Service INC. | Houston | TX | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| HEHouston Etching Company | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HFHouston Fab Truck Rigging INC. | Houston | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| HOHouston Oilfield Equipment, INC. | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HPHouston Pallet, LLC | Houston | TX | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| HPHouston Plant | Houston | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| HPHouston Printing and Graphic Solutions, Inc | Houston | TX | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| HPHouston Process and Design | Houston | TX | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| HSHouston Stone Center, INC. | Houston | TX | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| HSHou-Tex Sheet Metal, Inc. | Houston | TX | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| HHycalog | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| IBIcp Bsg Warehouse | Houston | TX | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IPIgloo Prods CORP | Houston | TX | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| IRIgs Robert James | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| IIIkan International CORP | Houston | TX | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| IVIlluminate Vintage, LLC | Houston | TX | Electrical Equipment, Appliance & Component Manufacturing335121 | — | ◇ UNVERIFIED |
| IVIlluminate Vintage, LLC | Houston | TX | Electrical Equipment, Appliance & Component Manufacturing335121 | — | ◇ UNVERIFIED |
| IEImoya Enterprises LLC | Houston | TX | Furniture and Related Product Manufacturing337920 | — | ◇ UNVERIFIED |
| IGImpex Global, LLC | Houston | TX | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| III.m.w., INC. | Houston | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| INIndustrial Neon Sign Corporation | Houston | TX | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ILIndustries Little York LLC | Houston | TX | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ICIngram Cactus | Houston | TX | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
