Politics and Business magazines
- Computer Data Systems, Inc.
- Computer Learning Centers, Inc.
- Computer Sciences Corporation
- Computerland Corp.
- Computervision Corporation
- Comsat Corporation
- Comshare Inc.
- Comstock Resources, Inc.
- Comtech Telecommunications Corp.
- Concentra Inc.
- Concepts Direct, Inc.
- Concord Camera Corporation
- Concord EFS, Inc.
- Concord Fabrics, Inc.
- Concurrent Computer Corporation
- Condé Nast Publications, Inc.
- Cone Mills Corporation
- Cone Mills LLC
- Conexant Systems, Inc.
- Confluence Holdings Corporation