| Hamilton Ranches Inc CA | Agriculture & Forestry | 0 | — | F |
| Hamilton Roofing Inc FL | Construction | 0 | — | D |
| Hamilton Safe Company Inc OH | Manufacturing | 0 | — | C |
| Hamilton Scientific TX | — | 0 | — | — |
| Hamilton Site Construction, Inc. MD | Construction | 0 | — | A |
| Hamilton Stern Construction NY | Construction | 0 | — | A |
| Hamilton Sundstrand Corporation CA | — | 0 | — | — |
| Hamilton Sundstrand Corporation CT | Manufacturing | 5 | $120,963 | — |
| Hamilton Sundstrand Rocketdyne CA | — | 0 | — | — |
| Hamilton Tanks OH | Manufacturing | 0 | — | D |
| Hamilton Township Department of Water Pollution Control (Sewer) NJ | Utilities | 0 | — | F |
| Hamilton Trucking Company, Inc KS | Transportation & Warehousing | 0 | — | A |
| Hamilton Uptown LLC (Hamilton at The Richard Rodgers Theatre) NY | — | 0 | — | — |
| Hamilton Zanze CA | Real Estate | 1 | $100,000 | — |
| Hamilton's Catering IL | Accommodation & Food Services | 0 | — | A |
| Hamilton's Catering Services Inc. IL | Accommodation & Food Services | 0 | — | A |
| Hamilton-Madison House NY | Healthcare & Social Assistance | 3 | $63,697 | — |
| HamiltonTowing LLC AZ | Transportation & Warehousing | 0 | — | A |
| Hamister Group PA | Healthcare & Social Assistance | 0 | — | F |
| HAMISTER GROUP VA | Healthcare & Social Assistance | 0 | — | F |
| Hamister Group WV | Healthcare & Social Assistance | 0 | — | D |
| Hamister Group, LLC. NY | Healthcare & Social Assistance | 0 | — | F |
| Hamker Enterprises Corporation FL | Construction | 0 | — | A |
| HAMLET CLEANERS, INC. NC | Other Services | 0 | — | F |
| HAMLET PROTEIN OH | Manufacturing | 0 | — | A |
| Hamlett Associates, Inc. NC | Construction | 0 | — | D |
| Hamlett Logistics, LLC MO | Transportation & Warehousing | 0 | — | D |
| Hamlin Farms MI | Agriculture & Forestry | 0 | — | C |
| Hamlin Newco LLC OH | Manufacturing | 0 | — | D |
| Hamlin Robinson School WA | Educational Services | 1 | $80,500 | — |
| Hamlin Tool & Machine Co., Inc MI | Manufacturing | 0 | — | A |
| Hamline Hardware Hank 2020 MN | — | 0 | — | — |
| Hamm Mechanical LA | Construction | 0 | — | C |
| Hammacher Schlemmer & Co., Inc. OH | Retail Trade | 0 | — | A |
| Hamman Excavating TX | Construction | 0 | — | A |
| Hammel, Green and Abrahamson, Inc. MN | Professional & Technical Services | 3 | $127,804 | — |
| Hammelmans Floral, LLC OR | Agriculture & Forestry | 0 | — | D |
| Hammer & Steel, Inc. CA | Wholesale Trade | 0 | — | A |
| Hammer & Steel, Inc. MO | Real Estate | 0 | — | F |
| Hammer & Wikan, Inc. AK | Retail Trade | 0 | — | D |
| Hammer Construction IL | Construction | 0 | — | F |
| Hammer Construction Inc OK | Construction | 0 | — | B |
| Hammer Inc AL | Construction | 0 | — | D |
| Hammer Residences MN | Healthcare & Social Assistance | 0 | — | A |
| Hammer Safety and Services, LLC. NC | Other Services | 0 | — | A |
| Hammerhead Aviation LLC CA | Manufacturing | 0 | — | F |
| HammerHead Trenchless WI | Manufacturing | 0 | — | C |
| Hammerquist Casalegno LLC MT | Construction | 0 | — | F |
| Hammers Construction MN | Construction | 0 | — | F |
| Hammers Construction Inc CO | Construction | 0 | — | F |
