| Sequencia Technologies, Inc. | Massachusetts |
| Sequencing, Inc. | California |
| Sequent Software, Inc. | California |
| Sequent Tech, Inc. | |
| Sequent, Inc. | New Jersey |
| Sequential Technology International, LLC | New Hampshire |
| Sequi, Inc. | California |
| Sequifi | |
| Sequilite Genomics | California |
| Sequin Labs, Inc. | |
| Sequin, Inc. | Connecticut |
| Sequoia Applied Technologies | |
| Sequoia Capital Operations, LLC | California |
| Sequoia Mobile Technology, Inc. | California |
| Sequoia Vaccines, Inc. | Missouri |
| Sequoya Technologies | New Hampshire |
| SeQure Dx | Massachusetts |
| SeQure Dx, Inc. | Massachusetts |
| seqWell | Massachusetts |
| Sera Prognostics | Utah |
| Sera Systems, Inc. | Texas |
| SeraCare | Massachusetts |
| Seraf Technologies, LLC | |
| Seragon Biosciences | California |
| Serán Bioscience, LLC | Oregon |
| Seraph Biosciences, Inc. | Michigan |
| Seraph Group | |
| Seraxis, Inc. | Maryland |
| Serb-Art | Texas |
| Serbyte | |
| Serbyte Networking Group | Washington |
| Seren IPS, Inc. | New Jersey |
| Serena Group | Massachusetts |
| Serena Software | Indiana |
| SerenaGroup, Inc. | |
| Serendipity Design, LLC | Ohio |
| Serene Social | |
| Serenety Projects, Inc. | Florida |
| Serengeti | Texas |
| Serengeti Systems, Inc. | Texas |
| Serenity | |
| Serensia | |
| Seres Therapeutics | |
| Serff Creative Group, Inc. | |
| SerialComm | New Jersey |
| Serialio.com | Texas |
| Series | |
| Serimmune | California |
| Serina Therapeutics, Inc. | |
| Serinus Biosciences | |