- Chriselli
- Circle Fashion
- Carr & Westley
- Caesars Entertainment
- CitizenM Hotels
- Couveture & The Garbstore
- Campbells Meat
- Childcare.co.uk
- Camaloon
- Corncott
- Country Outfitter
- Cheap O Air
- Createspace
- Champs
- Charles Tyrwhitt
- Cascio Interstate Music
- Checks Unlimited
- Cheap Caribbean
- CrazyForBargains
- Choies
- Christy Sports
- CNK Digital
- Cleopatra's Choice
- CabinetParts.com
- Costume Discounters
- CHEFS Catalog
- City Sports
- Cosmetic America
- CompUSA
- Cookie's
- Competitive Cyclist
- Chaco
- Cubavera
- Climb High
- Cigars International
- Car Parts
- Coyuchi
- Carousel Checks
- C21store
- Carter's
- CheapAir
- Crate and Barrel
- CruiserCustomizing
- City Chic
- CheapOStay
- Clearly Australia
- Current Labels
- CompAndSave
- Cuddl Duds
- Chronicle Books
- Carol Wright Gifts
- Cambridge SoundWorks
- Cents of Style
- Coolglow.com
- Coastal Business Supplies
- Chinese Laundry
- CityPASS
- CloudAtCost
- Cellucor
- Creative Irish Gifts
- Canvas On Demand
- Cheryl's
- CWI Medical
- Contour Living
- Clearly New Zealand
- Clarins USA
- Clickinks
- Columbia
- Colorado Kayak Supply
- Coffee For Less
- Cellular Outfitter
- CityDeals
- CampGear.com
- CANDLE BAY
- Cymax
- Cyberguys
- Craftandvision.com
- Carol Lee
- CPO Bosch
- Campsaver