| Ca' Del Solo
|
| Cain Vineyard
|
| Calera
|
| Callaway Vineyards
|
| Cambria Vineyard & Winery
|
| Camelot
|
| Carhartt Vineyard
|
| Carmenet
|
| Cartlidge & Browne
|
| Castle Rock Winery
|
| Caymus
|
| Cedar Brook
|
| Chalk Hill Winery
|
| Chalone
|
| Charles Shaw
|
| Chateau Benoit
|
| Chateau Julien
|
| Chateau Lorane
|
| Chateau Potelle
|
| Chateau Souverain
|
| Chateau St. Jean
|
| Chateau St. Michelle
|
| Chateau Woltner
|
| Chatom Vineyards
|
| Chiles Lake Winery
|
| Cline Cellars
|
| Cloninger
|
| Clos du Bois
|
| Clos du Val
|
| Clos La Chance
|
| Clos Pegase
|
| Clover Hill
|
| Cloverdale Ranch
|
| Cold Heaven
|
| Columbia Crest
|
| Columbia Winery
|
| Concannon Vineyards
|
|
Consilience Wines
|
|
Copper Mountain
|
|
Cosentino Winery
|
|
Costa de Oro
|
|
Cotes de Sonoma
|
|
Coturri
|
|
Covey Run
|
|
Coyote Creek Vineyard
|
|
Crosspoint
|
| Crystal Valley Cellars
|
| Cuisine Cellars
|
|
Curtis Winery
|
|
Cuvaison
|