| CommitChange, LLC | |
| Commlinq Technologies, Inc. | Washington |
| Commnet | Colorado |
| Commnet Wireless | Georgia |
| Commodity Systems, Inc. | Florida |
| Common Angle, Inc. | Michigan |
| Common Cents Solutions | Mississippi |
| Common Crawl | |
| Common Energy | New York |
| Common Knowledge Technology | |
| Common Room | Washington |
| Common Sense Computers, Inc. | Georgia |
| Common Sense Machines, Inc. | |
| Common Sense Machines, Inc. | |
| CommonKey, Inc. | |
| CommonMind, LLC | Massachusetts |
| CommonPlaces, Inc. | New Hampshire |
| CommonTeri | Texas |
| Commonwealth Capital Ventures | Massachusetts |
| Commonwealth Creative Marketing | |
| Commonwealth Digital Office Solutions | Virginia |
| Commonwealth Fusion Systems | Massachusetts |
| Commonwealth Fusion Systems | |
| Commonwealth North | |
| Commonwealth University of Pennsylvania | Pennsylvania |
| Commonwealth University of Pennsylvania Applied Computer Science | Pennsylvania |
| CommPartners, LLC | Maryland |
| CommPro Worldwide | Idaho |
| CommPutercations, Inc. | Maryland |
| CommScope, Inc. | North Carolina |
| CommStrat | California |
| CommStructures, Inc. | Florida |
| CommTech Services, Inc. | New Jersey |
| Commtech, Inc. | Kansas |
| Commune | California |
| CommunicateHealth | |
| Communication Automation Corporation | Pennsylvania |
| Communication Components, Inc. | New Jersey |
| Communication Design, Inc. | Virginia |
| Communication Devices, Inc. | New Jersey |
| Communication Disorders Technology, Inc. | Indiana |
| Communication Enterprises, Inc. | California |
| Communication Experts, Inc. | |
| Communication Specialists | North Carolina |
| Communication Square, LLC | Florida |
| Communication Technologies, Inc. | Wyoming |
| Communications 2000, Inc. | Nevada |
| Communications and Power Industries | |
| Communications By Design, Inc. | Virginia |
| Communications Cabling & Networking, Inc. | Wisconsin |