- Cabela's - Consumer Complaints, Reports and Reviews
- Cablevision - Consumer Complaints, Reports and Product Reviews
- Cadillac - Consumer Complaints, Reports and Reviews
- Canon - Product Reviews, Consumer Complaints and Reports
- Capella University - Consumer Complaints, Reports and Reviews
- Capital One - Consumer Reviews, Complaints and Reports
- Cardinal Health - Consumer Complaints, Reports and Reviews
- Carlton Sheets - Consumer Complaints, Reports and Reviews
- CarMax - Consumer Reviews, Reports and Complaints
- Carnival Cruise Lines - Consumer Reviews and Reports
- CDW - Consumer Complaints, Reports and Reviews
- Charles Schwab - Consumer Reports and Reviews
- Charter Communications - Consumer Reviews, Complaints and Reports
- Chemistry.com - Consumer Complaints, Reports and Reviews
- Chevrolet - Consumer Complaints, Reports and Product Reviews
- ChexSystems - Consumer Complaints and Reports
- Chrysler - Consumer Complaints, Reports and Product Reviews
- Cigna - Consumer Complaints, Reports and Reviews
- Circuit City - Consumer Reviews, Reports and Complaints
- Columbia Funds - Consumer Reviews, Complaints and Reports
- Comcast - Consumer Complaints, Reports and Reviews
- Continental Airlines - Consumer Complaints, Reviews and Reports
- Costco - Consumer Reviews, Reports and Complaints
- Cox Communications - Consumer Complaints, Reports and Reviews
- Craigs List - Consumer Reviews, Reports and Complaints
- CSN.com - Product Reviews and Consumer Complaints
- CUTCO Cutlery (Vector Marketing) - Product Reviews, Consumer Complaints and Reports
- CVS - Consumer Reviews, Reports and Complaints