Politics and Business magazines
- Carey International, Inc.
- Cargill Inc.
- Cargolux Airlines International S.A.
- Caribiner International, Inc.
- Caribou Coffee Company, Inc.
- Caritas Internationalis
- Carl Allers Etablissement A/S
- Carlson Companies, Inc
- Carlson Restaurants Worldwide
- Carlson Wagonlit Travel
- Carlton and United Breweries Ltd.
- Carma Laboratories, Inc.
- CarMax, Inc.
- Carmichael Lynch Inc.
- Carnation Company
- Carnival Cruise Lines, Inc.
- Carolina First Corporation
- Carolina Freight Corporation
- Carolina Telephone and Telegraph Company
- Carpenter Technology Corporation