| SomruBioscience, Inc. | |
| SON Technology | Florida |
| Sonablate | North Carolina |
| SonALAsense | California |
| Sonance | California |
| Sonant Corporation | California |
| Sonar | Georgia |
| Sonar Software | Texas |
| Sonar Technologies | |
| Sonarworks, Inc. | |
| Sonasoft | California |
| Sonatafy Technology, Inc. | Arizona |
| Sonatype, Inc. | Maryland |
| Sonavex, Inc. | Maryland |
| Sonavi Labs | |
| Sonder Holdings, Inc. | |
| SonderMind, Inc. | |
| Sonex | |
| Sonex Health, Inc. | Minnesota |
| Songbird Technologies | Connecticut |
| Songtradr | |
| Sonic Amigos | Missouri |
| Sonic Foundry | Wisconsin |
| Sonic Images Design | California |
| Sonic Manufacturing Technologies, Inc. | California |
| Sonic.net, Inc. | California |
| SoniClear | California |
| SonicNet | Wisconsin |
| SonicSEO.com, Inc. | |
| SonicWall | California |
| Sonifi Health, Inc. | South Dakota |
| Sonify, Inc. | Massachusetts |
| Sonik Messaging Systems | California |
| Sonim Technologies, Inc. | California |
| Sonit Systems, LLC | Ohio |
| Sonivate Medical | Oregon |
| SoniVie | Minnesota |
| Sonix, Inc. | Virginia |
| Sonnen, Inc. | |
| Sonnest | Maryland |
| Sonnet BioTherapeutics, Inc. | |
| Sonnet Technologies, Inc. | California |
| Sonogen Medical, Inc. | |
| Sonoma | |
| Sonoma Biotherapeutics, Inc. | |
| Sonoma Biotherapeutics, Inc. | |
| Sonoma Pharmaceuticals, Inc. | |
| Sonoma Scientific | Nevada |
| Sonoma State University Computer Science | California |
| Sonoma State University Mathematics and Statistics | California |