| Hemisphere Design + Marketing | |
| Hemisphere GNSS | Arizona |
| Hemisphere Ventures, LLC | |
| Hemo Bioscience, Inc. | North Carolina |
| HemoGenix | Colorado |
| Hemoglobin Oxygen Therapeutics, LLC | |
| Hemorai, Inc. | |
| Henderson Creative | |
| Henderson Group | Maryland |
| Henderson State University | Arkansas |
| Henderson State University Computer Science | Arkansas |
| Hendricks Investment Holdings, LLC | Maryland |
| Hendrix College | Arkansas |
| Hennepin Healthcare Research Institute | |
| Hennepin Technical College | Minnesota |
| Hennessey Digital | |
| Henri | Arizona |
| Henry Elliott & Company, Inc. | Massachusetts |
| Henry Ford College | Michigan |
| Henry Michaels & Associates | Illinois |
| Henry Schein, Inc. | |
| Henry Yuen | |
| Hentzenwerke | Wisconsin |
| Hepagene Therapeutics, Inc. | |
| Heparinex, LLC | Texas |
| HepatoChem, Inc. | Massachusetts |
| HepaTx Corporation | California |
| Hepion Pharmaceuticals | |
| HepQuant, LLC | Colorado |
| Hepta | |
| Hepta Platforms, Inc. | |
| Her Campus | |
| Her Corner, LLC | |
| HeR Interactive, Inc. | Washington |
| Hera BioLabs | Kentucky |
| Hera Biotech | |
| Hera Global Tech, Inc. | Pennsylvania |
| Hera Health Solutions, Inc. | Tennessee |
| Hera Hub | California |
| Herald | |
| Herald Therapeutics, Inc. | |
| Heranova | |
| Heranova Lifesciences | Massachusetts |
| Herb Gillen Agency | |
| Hercules Capital | California |
| HerdStar | Minnesota |
| Here Enterprise, Inc. | |
| Heretic, LLC | |
| Heritage Christian University | Alabama |
| Heritage Comptuer Consulting and Services, Inc. | Kansas |