- Christophe Robin UK
- Cinemood
- Circcell Skincare
- CityUnscripted.com
- Ckese
- Clary Business Machines
- ClearScreening
- CleaRx
- Cleo
- Click A Tree
- Cliff & Pebble
- Cloroom
- Clothia
- Clover Baby and Kids, LLC
- ClubShop Rewards
- CMA Interactive
- CMG Commerce, LLC
- CocoMe LLC
- CodeBOX
- COLD-FIX
- College Concierge
- ComfortGrips
- Comme J'aime
- COMPANY
- Concave
- Conferencing Advisors Inc.
- Confessions of a Rebel
- Consolidated Merchants Group Inc
- Contour Components
- COOL JS SHOES AND APPAREL
- Coolbuyshop
- Coopers Cask Coffee
- Core Botanicals Corporation
- Corked, Inc.
- Corridor Clothiers
- Corso Goods
- COSIDLA INC.
- Cosmetic Solutions
- Costway CA
- Cottonhood Apparel
- Cover-More USA Travel Insurance
- Craft
- Creative Jobs Central
- Creative QT
- Creature Cups
- Credittim ltd
- Cristal Forest CPA
- CritterZone USA, LLC
- Crossflix
- Crowdlandia
- CrownGoose
- CRT Motor Inc
- Crystal Kayak
- Culture Canyon
- Culture Studio
- CuriosityStream
- Curious World (US)
- Current Boutique
- Curve Girl Inc.
- Custom Photo Prints
- CustomGlow
- Customon
- Cutegaga
- Cyber Secure Central
- Cymbiotika LLC
- CyoGate, LLC
- Cyrca
- CocoMelody
- CBD Bio Naturals
- Chunyu Mushroom ltd
- Coach
- CACOOP
- CHIC PISTACHIO LLC
- Cleancult
- Company
- Complete Nutrition
- CozyPhones
- Cult Gaia - US
- Christophe Robin US
- Crest White Smile