| ImmPACT Bio | California |
| Immunai | New York |
| Immune IQ | Minnesota |
| Immune Technology Corporation | New York |
| Immune, Inc. | California |
| Immune-Onc Therapeutics, Inc. | |
| ImmuneBridge | California |
| Immuneering Corporation | Massachusetts |
| Immunetrics, Inc. | Pennsylvania |
| ImmuneWalk Therapeutics, Inc. | |
| Immunexpress, Inc. | Washington |
| Immunic Therapeutics | |
| Immunicom, Inc. | California |
| Immunis, Inc. | California |
| Immunis.AI | Michigan |
| Immunitas Therapeutics, Inc. | |
| Immunity, Inc. | Florida |
| ImmunityBio, Inc. | California |
| Immuno Concepts NA Ltd | California |
| Immuno Technologies, Inc. | |
| Immuno-Biological Laboratories, Inc. | Minnesota |
| ImmunoBrain Checkpoint | New York |
| Immunocodex | |
| ImmunoFree, Inc. | |
| ImmunoGen, Inc. | Massachusetts |
| ImmunoGenesis | |
| ImmunogenX, Inc. | California |
| Immunome, Inc. | Washington |
| Immunomic Therapeutics, Inc. | |
| ImmunoMind, Inc. | California |
| Immunophotonics, Inc. | Missouri |
| ImmunoPrecise Antibodies | North Dakota |
| ImmunoReagents, Inc. | |
| Immunoshield Therapeutics | |
| ImmunoSpot | Ohio |
| ImmunoStar, Inc. | Wisconsin |
| Immunova Therapeutics | |
| Immunova, LLC | |
| Immunovant, Inc. | New York |
| Immunovent, LLC | |
| ImmunoVision, Inc. | California |
| Immunowake, Inc. | Alabama |
| ImmunSYS | Florida |
| ImmunyX | New York |
| Immusoft | Washington |
| Immuta, Inc. | Maryland |
| Immuto Scientific | Wisconsin |
| IMMvention Therapeutix, Inc. | |
| ImmVue Therapeutics, Inc. | |
| IMMY | Oklahoma |