| Channel Signal | |
| Channel Software, Inc. | Minnesota |
| Channel Supply Experts, LLC | Florida |
| Channel Well Technology (USA), Inc. | California |
| ChannelAdvisor | North Carolina |
| ChannelEyes | Michigan |
| Channell Communications, Inc. | Alabama |
| ChannelReply | New York |
| ChannelRUSH | Colorado |
| Channergy | Colorado |
| Chant, Inc. | California |
| Chantibody Therapeutics | |
| Chanty | |
| Chanzo Capital | Georgia |
| Chaos Genius | California |
| Chaos Industries, Inc. | |
| CHAOS, Inc. | |
| Chaosmap, LLC | |
| ChaosSearch, Inc. | Massachusetts |
| Chaparral Software & Consulting Services, Inc. | California |
| Chapline Computers | Pennsylvania |
| Chapman University | California |
| Chappell's Capital, LLC | |
| ChappellRoberts | Florida |
| Chapter One | |
| Chapter Three | California |
| ChapterMe | |
| CharacTell | Massachusetts |
| Character Biosciences | New Jersey |
| Character Labs, Inc. | |
| Character Technologies, Inc. | |
| Charge Ahead Marketing, LLC | |
| Charge Communication, Inc. | |
| Charge.com Payment Solutions, Inc. | Florida |
| ChargeAfter | |
| Chargebee, Inc. | California |
| ChargeCity.com | California |
| Chargeflow, Inc. | Delaware |
| ChargeOver | Minnesota |
| ChargePoint, Inc. | California |
| ChargerHelp | California |
| Chargetek, Inc. | California |
| Chargezoom, Inc. | Utah |
| Chariot Creative, Inc. | |
| Chariot Solutions | Pennsylvania |
| Charles R. Drew University of Medicine and Science | California |
| Charles River Analytics, Inc. | Massachusetts |
| Charles River Laboratories | Massachusetts |
| Charles River Web, LLC | Massachusetts |
| Charles Ryan Associates | West Virginia |