Politics and Business magazines
- Corporación Internacional de Aviació
- Corporacion Nacional del Cobre de Chile
- Corporate Software Inc.
- Correctional Services Corporation
- Corrections Corporation of America
- Correos y Telegrafos S.A.
- Corrpro Companies, Inc.
- CORT Business Services Corporation
- Cortefiel S.A.
- Corticeira Amorim, Sociedade Gestora de Participaço es Sociais, S.A.
- Corus Bankshares, Inc.
- Corus Group plc
- Cosi, Inc.
- Cosmair, Inc.
- Cost Plus, Inc.
- Cost-U-Less, Inc.
- CoStar Group, Inc.
- Coto Centro Integral de Comercializacion S.A.
- Cott Corporation
- Cotter & Company