Politics and Business magazines
- CalAmp Corp.
- Calavo Growers, Inc.
- CalComp Inc.
- Calcot Ltd.
- Caldor Inc.
- Calgon Carbon Corporation
- California Cedar Products Company
- California Sports, Inc.
- California Steel Industries, Inc.
- California Water Service Group
- Caliper Life Sciences, Inc.
- Callanan Industries, Inc.
- Callard and Bowser-Suchard Inc.
- Callon Petroleum Company
- Calpine Corporation
- Caltex Petroleum Corporation
- Camaï
- Cambridge SoundWorks, Inc.
- Cambridge Technology Partners, Inc.
- Camden Property Trust