Politics and Business magazines
- Companhia Siderúrgica Nacional
- Companhia Vale do Rio Doce
- Companhia Vale do Rio Duce
- Compania Cervecerias Unidas S.A.
- Compañia Espa
- Compañia Española de Petróleos S.A. (Cepsa)
- Compañia Industrial de Parras, S.A. de C.V. (CIPSA)
- Compass Bancshares, Inc.
- Compass Group PLC
- Compass Minerals International, Inc.
- CompDent Corporation
- CompHealth Inc.
- Complete Business Solutions, Inc.
- Comprehensive Care Corporation
- Comptoirs Modernes S.A.
- CompuAdd Computer Corporation
- CompuCom Systems, Inc.
- CompuDyne Corporation
- CompuServe Incorporated
- CompuServe Interactive Services, Inc.