| Syncrement | Arizona |
| Syncretic Software, Inc. | Delaware |
| Syncro | |
| Syncro Medical | Pennsylvania |
| Syncromune | Florida |
| SyncShow | |
| Syncsite, Inc. | Florida |
| Synctera | California |
| Synctronics | California |
| SyncWords, LLC | |
| Syndax | |
| Syndctd | California |
| Syndeio Biosciences | |
| Syndell | |
| Synder | |
| SynderBio, Inc. | |
| SynDevRx, Inc. | Massachusetts |
| Syndigo, LLC | Illinois |
| Syndio | Washington |
| Synebo, LLC | Delaware |
| Synechron | New York |
| Synedgen | California |
| Synegen, Inc. | Illinois |
| Synegi, Inc. | California |
| Synel Americas | Arizona |
| Syneos Health | North Carolina |
| Syner-G BioPharma Group | |
| SynerFuse | Minnesota |
| Synerge Technologies, Inc. | |
| Synerge-Marketing, LLC | Connecticut |
| Synergem | New Jersey |
| Synergetic Data Systems, Inc. | California |
| Synergetic Web Group | |
| Synergex International Corporation | California |
| SynergEyes | |
| Synergic Medical Technologies, Inc. | |
| Synergie Systems, Inc. | Louisiana |
| Synerginc Corporation | Massachusetts |
| Synergis Technologies, LLC | Pennsylvania |
| Synergism VI | California |
| Synergistix, Inc. | Florida |
| synergIT | Pennsylvania |
| Synergy | New York |
| Synergy Biomedical, LLC | Pennsylvania |
| Synergy Bioscience | |
| Synergy Business Solutions, LLC | Louisiana |
| Synergy Computing, Inc. | California |
| Synergy Corporate | Connecticut |
| Synergy Coworking | Wisconsin |
| Synergy Digital | |