| Charles Schwab & Co., Inc. | |
| Charleston Communications | Nevada |
| Charleston Digital Corridor | South Carolina |
| Charleston Interactive, LLC | South Carolina |
| Charleston Laboratories, Inc. | |
| Charleston Southern University | South Carolina |
| Charleston Tech Support | South Carolina |
| Charleston Women in Tech | South Carolina |
| CharlesWorks, LLC | New Hampshire |
| Charli Capital | |
| Charlie Financial, Inc. | |
| Charlie Health, Inc. | |
| Charlie Horse Ranch Timing Systems, Inc. | California |
| CharlieGolfOne, Inc. | |
| Charlotte Apple Computer Club | North Carolina |
| Charlotte Linux User's Group | North Carolina |
| Charlotte Media Partners | |
| Charlotte SEO Company | |
| Charlotte Web Design Studio | |
| Charlotte Web Hosting | North Carolina |
| Charlotte's Web Design | |
| CharlotteSEO | |
| Charlottesville Media Group | |
| CharlotteWebs | North Carolina |
| Charlotte’s Web Studios, LLC | North Carolina |
| Charly Agency | |
| Charm Industrial | |
| Charm Security | |
| Charming Robot, LLC | |
| Charon Technologies, LLC | Virginia |
| Chart Links, LLC | Indiana |
| Charta | |
| Chartbeat | Texas |
| Chartboost | California |
| Charter College | Nevada |
| Charter Engineering, Inc. | Florida |
| Charter Global, Inc. | |
| Charter Medical | North Carolina |
| Charter Software, Inc. | Colorado |
| Charternet Directory | California |
| CharterOak State College | Connecticut |
| ChartFast | Georgia |
| ChartHop, Inc. | |
| Chartio | California |
| ChartLabPro | |
| ChartLocal | |
| ChartLogic | Utah |
| ChartWare | California |
| Charu Interactive, Inc. | |
| Chase | |