| SynsorMed | Georgia |
| Syntax Bio | |
| Syntekabio, Inc. | |
| Syntergy, Inc. | California |
| Synth-Med Biotechnology, Inc. | |
| Synthara AG | |
| Synthasome, Inc. | California |
| Synthasys | New Jersey |
| SynthBee, Inc. | |
| Synthego | California |
| Synthekine | California |
| Synthenet Corporation | Massachusetts |
| Synthesio, Inc. | New York |
| Synthesis AI | California |
| Synthesis Engineering Services, Inc. | Colorado |
| Synthetic Design Lab | |
| SyntheX | California |
| Synthio Labs Ltd | |
| Synthis Therapeutics | |
| Synthonics, Inc. | |
| Synthonix, Inc. | |
| Syntiant | California |
| Syntilla Systems, Inc. | Illinois |
| Syntiron | Minnesota |
| Syntis Bio | |
| SyntIV, LLC | |
| Syntonic | Washington |
| Syntrio, Inc. | California |
| Syntrix Pharmaceuticals | |
| Syntropy Properties, Inc. | Texas |
| SynVivo, Inc. | Alabama |
| SyonSolutions | |
| Sypris Electronics, LLC | Florida |
| Syracuse Digital Marketing, LLC | |
| Syracuse Technology Garden | New York |
| Syracuse University College of Engineering and Computer Science | New York |
| Syracuse University Department of Mathematics | New York |
| Syren Song Designs | Wisconsin |
| Syringa Networks | Idaho |
| Syris Scientific | California |
| Syrna Therapeutics, Inc. | |
| Syrup Tech, Inc. | |
| Sys Logic Technology Services, LLC | Texas |
| SysAid Technologies Ltd | Massachusetts |
| SysArc, Inc. | Maryland |
| SysClass | |
| SysCloud, Inc. | New Jersey |
| Syscom Business Technologies | Michigan |
| Syscom, Inc. | Maryland |
| SysCom, Inc. | |