Politics and Business magazines
- Cincinnati Bell Inc.
- Cincinnati Gas & Electric Company
- Cincinnati Lamb Inc.
- Cincinnati Milacron Inc.
- Cincom Systems Inc.
- Cinemas de la República, S.A. de C.V
- Cinemeccanica S.p.A.
- Cinnabon Inc.
- Cinnabon, Inc.
- Cinram International, Inc.
- CIPSCO Inc.
- Circon Corporation
- Circus Circus Enterprises, Inc.
- Cirrus Design Corporation
- Cisneros Group of Companies
- CIT Group Inc.
- Citadel Communications Corporation
- CitFed Bancorp, Inc.
- Citi Trends, Inc.
- CITIC Pacific Ltd.