Politics and Business magazines
- Capital Cities/ABC Inc.
- Capital Holding Corporation
- Capital One Financial Corporation
- Capital Radio plc
- Capital Senior Living Corporation
- Capitalia S.p.A.
- Capitol Records, Inc.
- CapStar Hotel Company
- Capstone Turbine Corporation
- Captain D's, LLC
- Captaris, Inc.
- Car Toys, Inc.
- Caradon plc
- Carbo PLC
- Carbone Lorraine S.A.
- Carborundum Company
- Cardo AB
- Career Education Corporation
- Caremark International Inc.
- Caremark Rx, Inc.