| Koei Tecmo Games Co., Ltd | California |
| Kofax, Inc. | California |
| Koffman Southern Tier Incubator | New York |
| Kognition, LLC | Pennsylvania |
| Kognitos | |
| Kohactive | Illinois |
| Kohana | New York |
| KOHL Group, Inc. | New Jersey |
| Kohost, LLC | Nevada |
| Koidra, Inc. | Washington |
| Koios Medical | New York |
| KoiReader Technologies, Inc. | Texas |
| KoKo PFT | Georgia |
| Kokonut Group, Inc. | |
| Kokoski Kreations | Maryland |
| Kokua Technologies | New Jersey |
| Kokusai Semiconductor Equipment Corporation | California |
| Kolar Systems International | Florida |
| Kolbeco | |
| Koliber Biosciences | |
| Kolide, Inc. | Massachusetts |
| Kolla | Utah |
| Kolla Soft, Inc. | Arizona |
| Kollabra | |
| Kollective Mobile | California |
| Kollective Technology, Inc. | Oregon |
| Kolleno | New York |
| Koller Surgical | Florida |
| Kolo Capital | Arizona |
| Kologik | Louisiana |
| Kolon TissueGene, Inc. | Maryland |
| KoMarketing Associates, LLC | Massachusetts |
| Kombai | |
| KomBea Corporation | Utah |
| Komment AI, Inc. | |
| Kommo | California |
| Kommunicate.io | Delaware |
| Kommunity, Inc. | |
| Komo AI, Inc. | |
| Komodo Cloud | Illinois |
| Komodo Design Group | |
| Komodo Health, Inc. | California |
| Komodo Laboratories, LLC | Ohio |
| Komotion | Washington |
| Komprise | California |
| Kompyte | Texas |
| Konal Automated Systems | Indiana |
| Konan Medical USA, Inc. | California |
| Koncept | California |
| Koncert | |