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- Caparzo
- Casa Santos Lima
- Campo Viejo
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- Century Oak Winery
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- Charles Heidsieck
- Champagne Charles Mignon
- Chateau d'Esclans
- Château Les Valentines
- Congress Springs
- Château Minuty
- Columbia Crest
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- Cà Maiol
- Calera Wine
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- Château Trinquevedel
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- Castello Banfi
- Conn Creek
- Coppo
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- Cryptic Wines
- Castle Creek Winery
- Coup de Foudre Wine
- Champagne Joseph Perrier
- Conundrum Wines
- Château de Beaucastel
- Cartlidge & Browne
- Cellers Can Blau
- Château Haut-Rian
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- Château Mont-Redon
- Château de Campuget
- Chaucer's
- Condes de Albarei
- Craftwork Wines
- Carmel Winery
- Caricature Wine
- Castello di Gabbiano
- Carnivor Wine
- Castello del Poggio
- Castello di Volpaia
- Château Saint-Sulpice
- Château de l'Aumérade
- Cavit
- Cecchi
- Chocolate Shop Wine
- Clair de Lune Vineyard and Winery
- Cordelina Wines
- Card Clips
- Clash of Arms
- Cookie Sticker
- Clover and Birch
- Cooghi
- Chix Os!
- Careplay
- Cash For Cars
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- Cadet Pet
- Carwires USA
- Captain O-Ring
- Cables.ie
- Class D
- CBDVapego
- Cupid WOW
- Cheshire Audio
- Chowston
- Case Electronic
- Circuit Breaker Labs