| IBLN Designs | New York |
| iBloom Studios | Rhode Island |
| IBM | New York |
| IBM Mainframe Access | North Carolina |
| IBM Research - Almaden | California |
| IBM Research - Quantum Computing | New York |
| IBMC College | Colorado |
| IBMG Solutions | California |
| IBNC | Virginia |
| IBNtel, Inc. | Virginia |
| iBoost Web | |
| iboss, Inc. | Massachusetts |
| Ibotta, Inc. | |
| IBQ Systems | Washington |
| iBrain Technologies, Inc. | Missouri |
| iBridge, LLC | Oregon |
| IBS Electronics, Inc. | California |
| IBS Software | Georgia |
| IBT Bioservices | |
| ibu web services | Colorado |
| iBUILD Global, Inc. | Delaware |
| iBusinessLogic.com | Florida |
| ibute | |
| iBUYPOWER | California |
| IBX, LLC | Maryland |
| IC Data Communications, LLC | Michigan |
| IC Engineering, Inc. | Maryland |
| IC Manage, Inc. | California |
| IC Source, Inc. | New York |
| ic2 Computers, LLC | New Jersey |
| ICA | California |
| iCAD, Inc. | New Hampshire |
| ICAM Technologies Corporation | |
| Icare Intelligence | |
| iCare Software | Massachusetts |
| ICB Consulting, Inc. | Colorado |
| ICB International | California |
| ICC | California |
| Iccomplish, Inc. | Washington |
| ICD Systems | Pennsylvania |
| ICDistribution | Virginia |
| Ice Bear Therapeutics SPC | |
| ICE Engineering, Inc. | Michigan |
| ICE Mortgage Technology, Inc. | California |
| iCE Neurosystems | District of Columbia |
| Ice Nine Interactive, LLC | Illinois |
| ICE Technology | California |
| ICEAS, LLC | Michigan |
| Iceberg Data | |
| Iceberg Quantum | |