- Cambria Bicycle Outfitters
- Comfort House
- Cheap Joe's Art Stuff
- Cirque du Soleil
- Columbia House
- CardStore
- Cherokee 4 Less.com
- Craftsuprint.com
- CURRENT/ELLIOTT
- California Delicious
- Candy Crate
- Colts Pro Shop Online
- Champions On Display
- Cruise Direct
- CandlesToMyDoor.com
- Cengage Brain
- CBAZAAR
- Century Novelty
- Clean well
- Critics' Choice Video
- Colonial Candle
- Cedar Store
- Creative Kidstuff
- Chesapeake Bay Crab Cakes
- Championship Productions
- Cigar.com
- Clinique
- Charming Charlie
- Carousel Wear
- CoffeeCup Software
- Clarivue
- Coolibar
- C.Crane
- Cameta Camera
- Coleman Furniture
- Cole Haan
- CarRentals.com
- Cpopowertools
- Castle Ink
- Carnegie Hall
- CRC Press
- Craghoppers
- Compex
- Child Therapy Toys
- Candles4Less
- Cookies.com
- Cool Computer Bags
- Chasing Treasure
- Copier Supply Store
- CyberPower
- Chocoley
- Comfort One Shoes
- Checks Unlimited Business
- Circus Circus
- Chrome Industries
- California Tea House
- Care-A-Lot
- CustomInk
- Cooking.com
- CenturyLink
- CoffeeAM
- Converse
- Cover Your Hair
- Cheap Tickets
- CBS.com
- Caratlane
- Cards Direct
- Club Flyers
- Coffees of Hawaii
- Chicago Bears
- Carbide Processors
- Coffeerocket
- Color Copies
- Construction Gear
- Crazy Sales Australia
- Contiki
- Catholicmatch
- Coffee.org
- Cold Water Creek
- Chemical Guys