| Kard Financial, Inc. | |
| Kardia | California |
| Kardigan, Inc. | |
| Kardiolabs.ai | Florida |
| KARE Biosciences | |
| Karelia Software | California |
| Karen's World of Design | |
| Kareo, Inc. | California |
| Kargo Global, Inc. | New York |
| Kargo, Inc. | |
| Kargo, Inc. | |
| Karis Bio, Inc. | |
| Karius, Inc. | California |
| Karlin Ventures | California |
| Karma Biotechnologies | California |
| Karma Snack, LLC | Florida |
| Karma-Lab, LLC | Arizona |
| karmaCRM | Colorado |
| Karman Space & Defense | |
| Karmel Technologies, Inc. | California |
| Karpel Solutions | Missouri |
| Karpi Studio | |
| Karta Ventures | Utah |
| Kartos Therapeutics, Inc. | |
| Kartra | |
| Karuna Digital | |
| Karuna Labs, Inc. | |
| Karus, Inc. | California |
| KARV | |
| KARYA Technologies, Inc. | Pennsylvania |
| Karyopharm Therapeutics, Inc. | |
| Karyosoft, Inc. | Indiana |
| Kasa Industrial Controls | Kansas |
| Kasa, Inc. | |
| Kasada | New York |
| Kasasa Ltd | |
| Kase and Company, Inc. | Wyoming |
| Kaseware, Inc. | |
| Kaseya Ltd | New York |
| KASH Interactive Solutions | California |
| Kashable, LLC | |
| Kasheesh | New York |
| Kashiv BioSciences, LLC | |
| Kashmer Interactive, LLC | |
| Kashurba Web Design Group, LLC | Pennsylvania |
| Kasisto, Inc. | New York |
| Kaskaskia College | Illinois |
| Kaspersky Lab USA | Massachusetts |
| Kassabov|Santos Ventures | Florida |
| Kastle Systems | Virginia |