| Christopher Queen Consulting | |
| Christopher’s Computers | North Carolina |
| Chroma Medicine | Massachusetts |
| Chroma Systems Solutions, Inc. | California |
| Chroma Technology Corporation | Vermont |
| ChromaCode, Inc. | California |
| ChromaGenix | |
| ChromaTan, Inc. | |
| Chromatic Games | Florida |
| Chromatic Software, Inc. | |
| Chromatic, LLC | |
| Chrome Developers | California |
| Chrome Enterprise | California |
| Chrome Platform Status | California |
| Chrome River Technologies, Inc. | California |
| Chromedia, Inc. | |
| ChromeOS | |
| Chrometa, LLC | California |
| Chromettex Analytical Services | |
| Chromium Blog | California |
| Chromium Projects | California |
| Chromix | Washington |
| Chromperfect Chromatography Software | New Jersey |
| Chronasoft Project Studio | Michigan |
| Chronicle | California |
| Chronicle Cloud, Inc. | Massachusetts |
| Chronicled | California |
| ChronicleHQ, Inc. | |
| Chronicler Software | Washington |
| Chrono-Log Corporation | Pennsylvania |
| Chronograph | New York |
| Chronon Systems | |
| Chronos, Inc. | Utah |
| Chronosphere, Inc. | New York |
| Chronus Health, Inc. | California |
| Chronus, LLC | Washington |
| Chrysalis | |
| Chrysalis Biomedical Advisors | California |
| Chrysalis Biosciences Corporation | Wisconsin |
| Chrysalis BioTherapeutics, Inc. | |
| Chrysalis Partners, LLC | Colorado |
| Chrysalis Ventures | Kentucky |
| Chrysalis Web Development | |
| Chrysoli Consulting | |
| CHS Pharma, Inc. | |
| CHS Software | Texas |
| CHUCK Waste, Inc. | |
| Chugai Pharma USA, Inc. | |
| Chunker | |
| Church Growth Software | Oklahoma |