| HAHouston Almeda Genoa | Houston | TX | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| HBHouston - Breen Rd | Houston | TX | Computer and Electronic Product Manufacturing334290 | 20-99 | ◐ LIKELY ACTIVE |
| HCHouston City Centre | Houston | TX | Apparel Manufacturing315250 | 20-99 | ◐ LIKELY ACTIVE |
| HCHouston CP | Houston | TX | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
| HCHouston Crushed Concrete LLC | Houston | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| HDHouston Distrib | Houston | TX | Fabricated Metal Product Manufacturing332618 | 1-19 | ◐ LIKELY ACTIVE |
| HDHouston Distribution Center | Houston | TX | Apparel Manufacturing315220 | 100-499 | ◐ LIKELY ACTIVE |
| HEHouston East | Houston | TX | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| HEHouston Elbow | Houston | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| HEHouston - Eldridge Rig Pressure Control Group | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| HFHouston Factory | Houston | TX | Machinery Manufacturing333923 | 100-499 | ◐ LIKELY ACTIVE |
| HFHouston Fastener | Houston | TX | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| HFHouston Foam Plastics 3 | Houston | TX | Plastics and Rubber Products Manufacturing326140 | 20-99 | ◐ LIKELY ACTIVE |
| HFHouston Foam Plastics 4 | Houston | TX | Plastics and Rubber Products Manufacturing326140 | 20-99 | ◐ LIKELY ACTIVE |
| HFHouston Food Bank | Houston | TX | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| HHHouston Hempstead | Houston | TX | Fabricated Metal Product Manufacturing332321 | 20-99 | ◐ LIKELY ACTIVE |
| HLHouston Levare US Inc | Houston | TX | Machinery Manufacturing333914 | 20-99 | ◐ LIKELY ACTIVE |
| HMHouston Manufacturing | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| HMHouston Metals | Houston | TX | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| HMHouston Mykawa | Houston | TX | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| HNHouston Northeast TX - Plant - 590 | Houston | TX | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| HOHouston Operations | Houston | TX | Machinery Manufacturing333132 | 1-19 | ◐ LIKELY ACTIVE |
| HPHouston Pauluhn Manufacturing Plant | Houston | TX | Electrical Equipment, Appliance & Component Manufacturing335122 | 20-99 | ◐ LIKELY ACTIVE |
| HPHouston Portwall St Plant | Houston | TX | Food Manufacturing311612 | 500+ | ◐ LIKELY ACTIVE |
| HSHouston Sales Location | Houston | TX | Food Manufacturing311920 | 20-99 | ◐ LIKELY ACTIVE |
| HSHouston Sausage Inc. | Houston | TX | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| HSHouston Southerland | Houston | TX | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ◐ LIKELY ACTIVE |
| HSHouston - Steadmont | Houston | TX | Computer and Electronic Product Manufacturing334290 | 1-19 | ◐ LIKELY ACTIVE |
| HSHouston Stratas Foods | Houston | TX | Food Manufacturing311225 | 20-99 | ◐ LIKELY ACTIVE |
| HTHouston TX | Houston | TX | Beverage and Tobacco Product Manufacturing312111 | 20-99 | ◐ LIKELY ACTIVE |
| HTHouston, TX - 426 | Houston | TX | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| HTHouston, TX - 902 | Houston | TX | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| HTHouston TX Millwork Port NW | Houston | TX | Wood Product Manufacturing321918 | 100-499 | ◐ LIKELY ACTIVE |
| HTHouston TX Millwork Tomball | Houston | TX | Furniture and Related Product Manufacturing337212 | 100-499 | ◐ LIKELY ACTIVE |
| HTHouston TX Truss | Houston | TX | Wood Product Manufacturing321215 | 1-19 | ◐ LIKELY ACTIVE |
| HTHouston TX Windows | Houston | TX | Wood Product Manufacturing321911 | 500+ | ◐ LIKELY ACTIVE |
| HUHouston Upfit | Houston | TX | Transportation Equipment Manufacturing336999 | 1-19 | ◐ LIKELY ACTIVE |
| HWHouston West | Houston | TX | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| HWHouston WHSE 770 | Houston | TX | Food Manufacturing311812 | 20-99 | ◐ LIKELY ACTIVE |
| HLHypervall, LLC | Houston | TX | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| HPHyz Products, INC | Houston | TX | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| IHICT Holdings LLC | Houston | TX | Miscellaneous Manufacturing339910 | 1-19 | ◐ LIKELY ACTIVE |
| IFIndustrial Fabrics Incorporated Houston | Houston | TX | Plastics and Rubber Products Manufacturing326112 | 100-499 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-beaumont Hwy #34 | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-hockley #32 | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, INC. -jersey Village #36 | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, INC. - Pearland #35 | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| IInnova | Houston | TX | Computer and Electronic Product Manufacturing334418 | 100-499 | ◐ LIKELY ACTIVE |
| IMInnovative Mechanical Solutions LLC- IMECH | Houston | TX | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| IEInnovex Eldridge | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |