| Island Concrete Construction Corp. NY | Construction | 0 | — | F |
| Island Conservation CA | Other Services | 1 | $119,995 | — |
| Island Consolidated, LLC NY | Construction | 3 | $92,159 | — |
| Island Controls Inc HI | Construction | 0 | — | A |
| Island Creek Associates LLC at NAS China Lake CA | — | 0 | — | — |
| Island Creek Associates LLC at NAS Lemoore CA | — | 0 | — | — |
| Island Creek Associates LLC at NAS North Island CA | — | 0 | — | — |
| Island Disposal, Inc. WA | Administrative & Waste Services | 0 | — | A |
| Island Distributing, LLC HI | Wholesale Trade | 0 | — | F |
| Island Elevator Inspection Inc. NY | Construction | 0 | — | F |
| Island Epic Inc. FL | Construction | 0 | — | F |
| Island Equipment dba American Machinery HI | — | 0 | — | — |
| ISLAND ESTATE CLEANERS, INC. FL | Other Services | 0 | — | A |
| Island Finance LLC PR | Finance & Insurance | 0 | — | F |
| Island Granite AL | Manufacturing | 0 | — | A |
| Island Harvest NY | Healthcare & Social Assistance | 0 | — | F |
| ISLAND HONDA HI | Retail Trade | 0 | — | B |
| Island Hospital WA | Healthcare & Social Assistance | 0 | — | F |
| Island Hotel Ft Walton FL | Accommodation & Food Services | 0 | — | F |
| Island Landhandlers NE | Construction | 0 | — | C |
| Island Marine, Inc. PR | Manufacturing | 0 | — | F |
| Island Mechanical Corp HI | Construction | 0 | — | A |
| Island Nursing and Rehab Center NY | Healthcare & Social Assistance | 0 | — | F |
| Island Pacific Systems, Inc CA | Professional & Technical Services | 1 | $102,565 | — |
| Island Packet Yachts FL | Manufacturing | 0 | — | F |
| Island Pavement Cutting Co., Inc. NY | Construction | 0 | — | A |
| Island Peer Review Organization, Inc. NY | Professional & Technical Services | 6 | $92,605 | — |
| Island Pump & Tank Corp. NY | Construction | 0 | — | D |
| Island Pump and Tank NY | Construction | 0 | — | A |
| Island Ready-Mix Concrete, Inc. HI | Manufacturing | 0 | — | F |
| Island Recycling Inc HI | Wholesale Trade | 0 | — | F |
| Island Technology, Inc. TX | Professional & Technical Services | 1 | $135,242 | — |
| Island Transit WA | Transportation & Warehousing | 0 | — | D |
| ISLAND TRANSPORTATION CORP CT | Transportation & Warehousing | 0 | — | D |
| ISLAND TRANSPORTATION CORP NJ | Transportation & Warehousing | 0 | — | C |
| ISLAND TRANSPORTATION CORP NY | Transportation & Warehousing | 0 | — | D |
| Island Trees Veterinary Hospital NY | Professional & Technical Services | 0 | — | A |
| Island View Casino Resort MS | Accommodation & Food Services | 0 | — | C |
| Island Wide Logistics LLC NY | Transportation & Warehousing | 0 | — | F |
| Islander Bayside Resort FL | — | 0 | — | — |
| Islands Mechanical Contractor, Inc. FL | Construction | 0 | — | A |
| Islands Restaurants AZ | — | 0 | — | — |
| Islands Restaurants CA | — | 0 | — | — |
| Islands Restaurants Ala Moana #057 HI | — | 0 | — | — |
| Isle Casino Hotel Bettendorf IA | Accommodation & Food Services | 0 | — | F |
| Isle of Capri MS | — | 0 | — | — |
| Isle of Capri & Lady Luck Casinos CO | — | 0 | — | — |
| Isle of Capri Black Hawk LLC CO | Accommodation & Food Services | 0 | — | C |
| Isle of Capri Casino LA | — | 0 | — | — |
| Isle of Capri Casino MS | — | 0 | — | — |
