| H.B. Frazer Company PA | Construction | 0 | — | A |
| H.B. Fuller TN | — | 0 | — | — |
| H.B. Jaeger a division of Corix Water Products US Inc. WA | Wholesale Trade | 0 | — | F |
| H.B. Magruder Memorial Hospital OH | Healthcare & Social Assistance | 0 | — | A |
| H.C. Jeffries Tower Company INC TX | Construction | 0 | — | A |
| H.C. Pody Company PA | Construction | 0 | — | A |
| H.C. Starck MI | Manufacturing | 0 | — | F |
| H.C. Starck Solutions OH | Manufacturing | 0 | — | A |
| H.C. Starck, Inc. OH | — | 0 | — | — |
| H.Construction TX | Construction | 0 | — | F |
| H.D. Hudson IA | Manufacturing | 0 | — | F |
| H.D. Hudson MI | Manufacturing | 0 | — | F |
| H.D. Hudson Manufactuing Company IA | — | 0 | — | — |
| H.D. Smith, LLC CA | — | 0 | — | — |
| H.D. Smith, LLC FL | — | 0 | — | — |
| H.D. Smith, LLC (AmerisourceBergen CA | — | 0 | — | — |
| H.E. Browder Veneer Company, Inc. AL | Manufacturing | 0 | — | C |
| H.E. Deli MD | — | 0 | — | — |
| H.E. Hunewill Construction Co.,Inc. NV | Construction | 0 | — | A |
| H.E. Williams, Inc. MO | Manufacturing | 0 | — | F |
| H.E.S. Inc., dba, Rest Haven-York PA | Healthcare & Social Assistance | 0 | — | F |
| H.E.S.C. COMPANY, LLC NY | Real Estate | 1 | $249,600 | — |
| H.F. Corwin & Son, Inc. NY | — | 0 | — | — |
| H.G Georgia Merchants, LLC GA | Transportation & Warehousing | 0 | — | A |
| H.G. AZ Merchants, LLC AZ | Transportation & Warehousing | 0 | — | B |
| H.G. Conn. Merchants,LLC CT | Transportation & Warehousing | 0 | — | B |
| H.G. Fenton Company CA | Real Estate | 0 | — | F |
| H.G. Indiana Distributors, LLC IN | Transportation & Warehousing | 0 | — | B |
| H.G. Jenkins Construction Co LLC OK | Manufacturing | 0 | — | A |
| H.G. Page & Sons Inc. NY | Retail Trade | 0 | — | C |
| H.H. Brown Shoe Co, Inc. PA | Manufacturing | 0 | — | D |
| H.H. Dobbins Inc. NY | Agriculture & Forestry | 0 | — | F |
| H.I. Development Corp. Miami International Airport Concourse E FL | — | 0 | — | — |
| H.J. Brandeles Corporation NY | Construction | 0 | — | F |
| H.J. Faust, Inc. WI | Construction | 0 | — | A |
| H.J. Heinz Company, L.P. CA | — | 0 | — | — |
| H.J. High Construction FL | Construction | 0 | — | A |
| H.J. Opdyke Lumber Company Inc. NJ | Retail Trade | 0 | — | F |
| H.J. Pertzborn Plumbing & Fire Protection Corp WI | Construction | 0 | — | A |
| H.L. Bowman, Inc. PA | Construction | 0 | — | F |
| H.L. Chapman Pipeline Construction , Inc. TX | Construction | 0 | — | A |
| H.M. KERN CORPORATION NC | Construction | 0 | — | A |
| H.M. Marshall & Son, LLC CA | Agriculture & Forestry | 0 | — | F |
| H.M. Providers, Inc. CA | Healthcare & Social Assistance | 2 | $326,047 | — |
| H.M.S. Productions, LLC NY | — | 0 | — | — |
| H.N. Fernandez Inc. LA | — | 0 | — | — |
| H.O. Bouchard, Inc. ME | Transportation & Warehousing | 0 | — | C |
| H.O. Penn Machinery Company, inc NY | Other Services | 0 | — | A |
| H.O. Wolding DBA Bison Transport (USA), Inc IA | Transportation & Warehousing | 0 | — | B |
| H.O. Wolding DBA Bison Transport (USA), Inc ME | Transportation & Warehousing | 0 | — | A |