| Carousel Hero | |
| Carousel Industries of North America, Inc. | Rhode Island |
| CarPay, Inc. | California |
| Carpenter Associates, Inc. | Ohio |
| CARR Biosystems | |
| Carr Communications | Michigan |
| Carr Manufacturing Company, Inc. | California |
| Carrd, Inc. | |
| Carrick Therapeutics, Inc. | Massachusetts |
| Carrier Logistics, Inc. | New York |
| Carrier Software | Delaware |
| Carrier411 Services, Inc. | Florida |
| Carrierzone | Florida |
| Carrington College | California |
| Carrio Cabling | Colorado |
| Carro | |
| Carroll College | Montana |
| Carroll College Computer Science & Information Systems | Montana |
| Carroll Computer Connection, Inc. | Maryland |
| Carroll County Trust Company | |
| Carroll Technology Council | Maryland |
| Carroll University | Wisconsin |
| Carroll-Net, Inc. | New Jersey |
| Carrollton Enterprise Services | |
| Carrot Fertility, Inc. | California |
| Carrot Fullstack | Oregon |
| Carrot Ink | California |
| Carsactive, LLC | |
| Carsley & Associates | Michigan |
| Carson Living, Inc. | New York |
| Carson-Newman University | Tennessee |
| Cart.com, Inc. | Texas |
| Cart2Cart | Texas |
| Cart32 | Missouri |
| Cart66 | Virginia |
| Carta Healthcare | |
| Carta, Inc. | California |
| Cartegraph | Iowa |
| Carter Malone Group, LLC | |
| Carter, Terry & Company, Inc. | |
| Carterra, Inc. | Utah |
| Cartesian | Kansas |
| Cartesian Products, Inc. | Massachusetts |
| Cartesian Therapeutics, Inc. | Maryland |
| Carthage College Computer Science Major & Minor | Wisconsin |
| Carthage College Mathematics Major & Minor | Wisconsin |
| Cartia Consulting | Pennsylvania |
| CartilaGen, Inc. | Iowa |
| Cartisien, LLC | South Carolina |
| Cartken, Inc. | |