| Harms Oil Company NE | Wholesale Trade | 0 | — | A |
| Harms Oil Company SD | Other Services | 0 | — | A |
| Harn R/O FL | Manufacturing | 0 | — | F |
| Harnate Capital LLC PA | Construction | 0 | — | A |
| Harnden Construction Services PA | Construction | 0 | — | F |
| Harnden Group PA | Construction | 0 | — | F |
| Harned Oil PA | Wholesale Trade | 0 | — | A |
| HARNEFL, LLC FL | Construction | 0 | — | F |
| Harner Plumbing, Inc. OH | Construction | 0 | — | D |
| Harners Bakery and Resturant IL | Accommodation & Food Services | 0 | — | A |
| Harness Racing Museum and Hall of Fame NY | Arts & Entertainment | 0 | — | A |
| Harness Roofing Inc. LA | Construction | 0 | — | A |
| Harness Roofing, Inc. AR | Construction | 0 | — | A |
| Harness Roofing, Inc. OK | Construction | 0 | — | A |
| Harness Technologies, Inc. NY | Professional & Technical Services | 1 | $135,000 | — |
| Harness, Inc. CA | Professional & Technical Services | 7 | $196,207 | — |
| Harness, LLC TN | Construction | 0 | — | A |
| Harnett Health System, Inc. NC | Healthcare & Social Assistance | 1 | $207,938 | — |
| Harney District Hospital OR | Healthcare & Social Assistance | 0 | — | D |
| Harney Rock & Paving Co. OR | Mining & Extraction | 0 | — | F |
| Harney Rock and Paving Company OR | Mining & Extraction | 0 | — | F |
| Harnish Group Inc. AK | Wholesale Trade | 0 | — | A |
| Harnish Group Inc. WA | Wholesale Trade | 0 | — | A |
| Harodite Industsries, Inc. MA | Manufacturing | 0 | — | F |
| Harold A. Steuber Enterprises dba Associated Services CA | — | 0 | — | — |
| Harold Archer & Son OH | Transportation & Warehousing | 0 | — | A |
| Harold Beck & Sons Inc. PA | Manufacturing | 0 | — | F |
| Harold Brothers Mechanical Contractors MA | Construction | 0 | — | D |
| Harold David Story Inc. DBA Cedar Creek Trucking GA | Transportation & Warehousing | 0 | — | A |
| HAROLD G. BUTZER, INC. MO | Construction | 0 | — | A |
| Harold Import Company NJ | Wholesale Trade | 0 | — | A |
| Harold J. Becker Company, Inc. OH | Construction | 0 | — | A |
| Harold LeMay Enterprises, Incorporated WA | Administrative & Waste Services | 0 | — | D |
| Harold Levinson Associates NJ | Wholesale Trade | 0 | — | D |
| Harold Levinson Associates NY | Wholesale Trade | 0 | — | D |
| Harold Levinson Associates - CT | Wholesale Trade | 0 | — | F |
| Harold Levinson Associates - NY | Wholesale Trade | 0 | — | D |
| Harold Levinson Associates - Albany Depot NY | Wholesale Trade | 0 | — | A |
| Harold Levinson Associates - Connecticut Depot CT | Wholesale Trade | 0 | — | A |
| Harold Levinson Associates - New Jersey Depot NJ | Wholesale Trade | 0 | — | C |
| Harold Levinson Associates : Farmingdale NY | Wholesale Trade | 0 | — | C |
| Harold Levinson Associates : Pennsylvania Depot PA | Wholesale Trade | 0 | — | F |
| Harold MacQuinn INC ME | Mining & Extraction | 0 | — | A |
| Harold O'shea Builders IL | Construction | 0 | — | B |
| Harold R Henrich Inc NJ | Manufacturing | 0 | — | A |
| Harold R. Clune, Inc. NY | Construction | 0 | — | A |
| Harold Tauschek & Sons Excavating & Snow Removal, Inc. WI | Construction | 0 | — | F |
| Harold White Lumber Inc. KY | Manufacturing | 0 | — | F |
| Harold White Millworks Inc. KY | Manufacturing | 0 | — | F |
| Haros Brothers, Co. TX | Construction | 0 | — | A |
