- Charles David
- Carmel Limo
- Cigar Place
- CanvasPop
- Crutcheze.com
- Clarisonic
- Creations and Collections Ltd
- Car MD
- Cincinnati Zoo and Botanical Garden
- Cyber Chimps
- Cineworld UK
- CNDirect
- Coordinates Collection
- Chitown Clothing
- CHEVYMALL
- ChicoBag
- Codeweavers
- ChefUniforms.com
- Collectons
- CorePHP
- Crazy Dog Tshirts
- Carson-Dellosa
- Candy Pros
- Cables and Kits
- Cute Little Clothes
- CurlFriends
- Collectors' Choice Music
- Case Logic
- Cufflinks Depot
- Carl's Golfland
- Caribou Coffee
- Conn's
- Condom Depot
- Carolines On Broadway
- Cult Pens
- Cadence
- CMEinfo
- Carbsmart
- Catwalk
- Carolyn Pollack Jewelry
- Color Me Beautiful
- Cool Pet Stuff
- Calling All Dogs
- Car Audio Giants
- Costume Cauldron
- Canopies And Tarps
- Corsets-uk.com
- Chinavasion
- Cakewalk
- Chicago AirBrush Supply
- Clothingshowroom.com
- CP Toys
- CoolHandle
- CompSource
- Clinical Guard
- Crown Jewelers
- Cryo-Cell
- Classicshaving.com
- City Threads
- Capay Organic
- Crane's Country Store
- CPO
- Chicago Shakespeare Theatre
- Cricket Store Online
- Classic Cruiser
- Colorado Ski Shop
- Carousel Designs
- Courtesy Parts
- CWDKids
- Century
- Curls
- Country Curtains
- Canada Drugs
- Cuisinart
- ContempoSuits
- Crio Bru
- Christina Suh
- Counter-strike
- Conney Safety Products
- Cutlery Shoppe