| Ion Developer CO | Utilities | 0 | — | F |
| Ion Developer NC | Utilities | 0 | — | A |
| Ion Developer NM | Utilities | 0 | — | F |
| Ion Developer NV | Utilities | 0 | — | F |
| ION Developer OH | Utilities | 0 | — | F |
| ION Developer OK | Utilities | 0 | — | A |
| Ion Developer OR | Utilities | 0 | — | F |
| Ion Developer TX | Utilities | 0 | — | F |
| Ion Developer UT | Utilities | 0 | — | A |
| Ion Developer VA | Utilities | 0 | — | F |
| ION Field Services LLC ND | Construction | 1 | $96,054 | — |
| ION Geophysical Corporation TX | — | 0 | — | — |
| Ion Logistics Inc. PA | Transportation & Warehousing | 0 | — | B |
| ION Media Networks, Inc. GA | — | 0 | — | — |
| ION Media Networks, Inc. OH | Information & Media | 1 | $105,000 | — |
| ION Nutritional Labs MT | — | 0 | — | — |
| ION Solar LLC UT | Construction | 0 | — | A |
| Iona University NY | Educational Services | 3 | $89,200 | — |
| Ionbond LLC IL | Manufacturing | 0 | — | F |
| Ionbond LLC MI | Manufacturing | 0 | — | F |
| Ionbond LLC MN | Manufacturing | 0 | — | A |
| Ionbond LLC NC | Manufacturing | 0 | — | F |
| Ionbond LLC NH | Manufacturing | 0 | — | F |
| Ionbond LLC NJ | Manufacturing | 0 | — | F |
| Ionbond LLC OH | Manufacturing | 0 | — | F |
| Ionbond LLC SC | Manufacturing | 0 | — | F |
| Ionetix Corporation MI | Manufacturing | 1 | $140,608 | A |
| Ionex Research Corporation CO | Manufacturing | 0 | — | B |
| Ionia County MI | Public Administration | 0 | — | C |
| IONIAN TECHNOLOGIES, LLC IL | Manufacturing | 3 | $106,526 | — |
| Ionic Labs, Inc. NY | Information & Media | 1 | $208,000 | — |
| IONIC MINERALS MANAGEMENT, INC UT | Manufacturing | 1 | $120,000 | — |
| IONIC TECHNOLOGIES LLC TX | Professional & Technical Services | 14 | $99,686 | — |
| Ionis Pharmaceuticals, Inc. CA | Professional & Technical Services | 2 | $173,223 | F |
| IonQ Quantum, Inc. MD | Manufacturing | 8 | $148,500 | — |
| iOPEX Technologies, Inc. CA | Professional & Technical Services | 3 | $106,649 | — |
| Iosco County Road Commission MI | Construction | 0 | — | A |
| iostudio TN | — | 0 | — | — |
| iota Biosciences Inc. CA | Professional & Technical Services | 2 | $157,280 | A |
| IOTA Platforms TX | Professional & Technical Services | 3 | $65,770 | — |
| IOTA Platoforms TX | Professional & Technical Services | 3 | $86,986 | — |
| IOTEK CONSULTING LLC MD | Professional & Technical Services | 1 | $82,500 | — |
| IOTICS CORPORATION LLC TX | Professional & Technical Services | 2 | $106,000 | — |
| iOttie, Inc. NJ | Wholesale Trade | 1 | $66,664 | — |
| Iovance Biotherapeutics PA | Manufacturing | 0 | — | B |
| Iovance Biotherapeutics Manufacturing LLC PA | Professional & Technical Services | 1 | $95,000 | — |
| Iovance Biotherapeutics, Inc. CA | Professional & Technical Services | 6 | $157,073 | — |
| Iovate Health Sciences USA Inc NY | Transportation & Warehousing | 0 | — | A |
| Iovino Ent NY | Construction | 0 | — | B |
| Iovino Enterprises Partners NY | Management of Companies | 0 | — | A |
