| Imperial Supplies TX | Wholesale Trade | 0 | — | A |
| Imperial Supplies WI | Wholesale Trade | 0 | — | A |
| Imperial Systems PA | Manufacturing | 0 | — | F |
| Imperial Textile NY | Wholesale Trade | 0 | — | A |
| Imperial Unified School District CA | Educational Services | 0 | — | A |
| Imperial Valley Respite, Inc. CA | Healthcare & Social Assistance | 0 | — | B |
| Imperial Zinc Corporation IL | Manufacturing | 0 | — | F |
| Imperial, LLC. AR | Retail Trade | 0 | — | A |
| Imperial, LLC. MO | Retail Trade | 0 | — | B |
| Imperial, LLC. OK | Retail Trade | 0 | — | B |
| Imperiall MA | Administrative & Waste Services | 0 | — | A |
| Imperiall RI | Administrative & Waste Services | 0 | — | A |
| Imperical Contract Cleaning, Inc. NY | Administrative & Waste Services | 0 | — | A |
| Imperium Logistics Inc PA | Transportation & Warehousing | 0 | — | A |
| Imperium Mechanical Systems, LLC. NY | Construction | 0 | — | F |
| Imperium Security Specialists CA | — | 0 | — | — |
| Imperium Trucking Inc PA | Transportation & Warehousing | 0 | — | A |
| Imperium3 New York Inc NY | Manufacturing | 0 | — | F |
| Imperva Inc. TX | Professional & Technical Services | 4 | $190,017 | — |
| Impetus Builders LLC fka Palmisano LLC LA | Construction | 0 | — | A |
| Impetus Infrastructure LLC LA | Construction | 0 | — | A |
| Impetus Technologies, Inc. CA | Professional & Technical Services | 5 | $135,000 | — |
| Impex Auto Sales NC | Retail Trade | 0 | — | A |
| Impex of Reidsville, inc NC | Retail Trade | 0 | — | A |
| Impex Technologies, Inc. CA | Wholesale Trade | 1 | $80,000 | — |
| Impinj, Inc. WA | Manufacturing | 1 | $113,925 | — |
| Implant Direct CA | Manufacturing | 0 | — | F |
| Implant Direct Manufacturing, LLC. CA | — | 0 | — | — |
| Implant Direct Sybron Manufacturing LLC CA | Manufacturing | 1 | $128,690 | — |
| Implemented Today LLC IL | Professional & Technical Services | 1 | $116,480 | — |
| Implesys Corporation GA | Professional & Technical Services | 2 | $116,064 | — |
| Implico, Inc PA | Professional & Technical Services | 2 | $1,615,000 | — |
| IMPLIFY INC DE | Professional & Technical Services | 12 | $96,977 | — |
| Implus Footcare LLC CA | Wholesale Trade | 0 | — | C |
| Implus Footcare LLC NC | Wholesale Trade | 0 | — | B |
| Imply Data, Inc. CA | Professional & Technical Services | 4 | $193,094 | — |
| Import Fence Direct Inc. CA | Construction | 1 | $83,200 | — |
| Importers Service Corp NJ | Manufacturing | 0 | — | A |
| ImportMex FL | Wholesale Trade | 0 | — | A |
| Impossible Foods Inc. CA | Professional & Technical Services | 11 | $113,755 | F |
| IMPREG LLC VA | Manufacturing | 0 | — | C |
| Impresa Aerospace SC | — | 0 | — | — |
| Impresa Aerospace, LLC KS | — | 0 | — | — |
| Impress Designs INC TX | Manufacturing | 0 | — | A |
| Impress Packaging PA | Manufacturing | 0 | — | C |
| Impressico Business Solutions Inc. TX | Professional & Technical Services | 1 | $188,000 | — |
| Impression Homes TX | Construction | 0 | — | A |
| Impressions Incoporated MN | Manufacturing | 0 | — | C |
| Impressionz Printing FL | Manufacturing | 0 | — | A |
| IMPRESSIVE COLLISION CENTER AL | Other Services | 0 | — | A |
