| Hord Farms West MN | Agriculture & Forestry | 0 | — | A |
| Hord Personnel Services Inc. OH | Agriculture & Forestry | 0 | — | F |
| HORIBA AZ | Manufacturing | 0 | — | A |
| HORIBA CA | Manufacturing | 0 | — | A |
| HORIBA NV | Manufacturing | 0 | — | D |
| HORIBA OR | Manufacturing | 0 | — | A |
| HORIBA TX | Manufacturing | 0 | — | A |
| HORIBA Instruments Incorporated CA | Wholesale Trade | 0 | — | A |
| HORIBA Instruments Incorporated MI | Wholesale Trade | 0 | — | A |
| HORIBA Instruments Incorporated NC | Wholesale Trade | 0 | — | A |
| HORIBA Instruments Incorporated NJ | Manufacturing | 0 | — | A |
| HORIBA Instruments Incorporated TX | Manufacturing | 0 | — | A |
| HORIBA Instruments Incorporated UT | Manufacturing | 0 | — | A |
| Horizen Ag Inc IA | Professional & Technical Services | 1 | $149,240 | — |
| HORIZON ADVANCED SYSTEMS INC NJ | Professional & Technical Services | 4 | $130,490 | — |
| Horizon Ag Products LP CA | Wholesale Trade | 0 | — | A |
| Horizon Ag Products LP CO | Manufacturing | 0 | — | A |
| Horizon Ag Products LP FL | Manufacturing | 0 | — | A |
| Horizon Ag Products LP GA | Wholesale Trade | 0 | — | A |
| Horizon Ag Products LP IA | Wholesale Trade | 0 | — | A |
| Horizon Ag Products LP ID | Wholesale Trade | 0 | — | A |
| Horizon Ag Products LP KS | Manufacturing | 0 | — | A |
| Horizon Ag Products LP MS | Manufacturing | 0 | — | A |
| Horizon Ag Products LP MT | Manufacturing | 0 | — | A |
| Horizon Ag Products LP NY | Manufacturing | 0 | — | A |
| Horizon Ag Products LP OH | Manufacturing | 0 | — | A |
| Horizon Ag Products LP OK | Manufacturing | 0 | — | A |
| Horizon Ag Products LP TX | Wholesale Trade | 0 | — | A |
| Horizon Air - Los Angeles International Airport CA | — | 0 | — | — |
| Horizon Air Industries CA | Transportation & Warehousing | 0 | — | F |
| Horizon Air Industries ID | Transportation & Warehousing | 0 | — | F |
| Horizon Air Industries MT | Transportation & Warehousing | 0 | — | F |
| Horizon Air Industries NV | Transportation & Warehousing | 0 | — | D |
| Horizon Air Industries OR | Transportation & Warehousing | 0 | — | C |
| Horizon Air Industries WA | Transportation & Warehousing | 0 | — | F |
| Horizon Air Services Inc MA | Transportation & Warehousing | 0 | — | B |
| Horizon Aircraft Engine Services DBA: Bolduc Aviation MN | Transportation & Warehousing | 0 | — | A |
| Horizon America Supply Chain Solutions Inc. NJ | — | 0 | — | — |
| Horizon Behavioral Health VA | Healthcare & Social Assistance | 0 | — | D |
| Horizon Beverage Company MA | Wholesale Trade | 0 | — | F |
| Horizon Blue Cross Blue Shield of New Jersey NJ | Finance & Insurance | 4 | $144,647 | — |
| Horizon Chemical LLC dba Horizon Commercial Pools-AH MN | Wholesale Trade | 0 | — | F |
| Horizon Chemical LLC dba Horizon Commercial Pools-EP MN | Wholesale Trade | 0 | — | F |
| Horizon Collective inc CA | Retail Trade | 0 | — | A |
| Horizon Construction Group, Inc. WI | Construction | 0 | — | C |
| Horizon Dairy LLC TX | Agriculture & Forestry | 0 | — | F |
| Horizon Delivery Squad LLC CT | Transportation & Warehousing | 0 | — | F |
| horizon drywall inc CA | Construction | 0 | — | D |
| HORIZON EDUCATIONAL SERVICES OF COLUMBUS INC OH | Educational Services | 1 | $66,747 | — |
| Horizon Electric Services, LLC MN | Construction | 0 | — | D |
