- 7 & 8 LLC
- A Dozen Vintners
- Amizetta Vineyards
- Anderson's Conn Valley Vnyrds
- Anomaly Vineyards
- Arietta
- Ballentine Vineyards & Winery
- Beaulieu Vineyards Hospitality
- Benessere Vineyards
- Beringer Blass Wine Estates
- Beringer Vineyards
- Beringer Wine Estates
- Bettinelli Vineyards
- Blackford Wines
- Blanket Estate LLC
- Bremer Family Winery
- Bridesmaid Wines
- Buehler Vineyards
- Burgess Cellars Inc
- C L Wines
- Cafaro Cellars
- Cain Vineyards & Winery
- Calafia Cellars
- Casa Nuestra Winery
- Catacula Lake Winery
- Chameleon Cellars
- Chappellet Winery
- Charles Krug Winery
- Chateau Boswell
- Chateau Chevalier Winery
- Chateau Sabina
- Clark-Claudon Vineyards
- Colgin Cellars
- Conn Creek Winery
- Corison Winery
- Crocker & Starr Wines
- David Fulton Winery
- Dcubed Cellars
- Del Dotto Vineyards
- Discoveries In Wine
- Domaine Charbay Winery
- Egelhoff & Assoc
- Eisele Liesel & Assoc
- El Molino Winery
- Engel Family Vineyard
- Esquisse Winery
- Failla Wines
- Fife
- Finkelstein Vineyards
- Flora Springs Wine Co
- Flora Springs Winery
- Forman Vineyard-Business Ofc
- Franciscan Estates
- Girard Winery
- Gott Wines
- Grace Family Vineyards
- Green & Red Vineyard
- Guilliams Vineyards
- Hall Winery
- Harlan Estate Winery
- Hawkins Cellars
- Heitz Wine Cellar
- Hollywood & Vine Cellars
- Hundred Acre Wine
- Icon Estates
- Jim Neal Wines
- Joel Gott Wines
- Jonathan Cellars
- Kelham Vineyards & Winery
- Kent Rasmussen Winery
- L Perez & Sons
- LA Jota Vineyard Co
- Lail Vineyards
- Leo Joseph Estate Wines
- Lewelling Wine Co
- Liparita Cellars
- Long Meadow Ranch Winery
- Macauley Vineyards
- Markham Vineyards
- Marston Family Vineyard
- Martin Estate Winery
- Meander Wines
- Melka Wines
- Merryvale Vineyards
- Midsummmer Cellars
- Milat Vineyards Winery
- Neyers Vineyards
- Nichelini Winery
- Nova Wines Inc
- Oliver Caldwell Cellars
- On The Edge Wineries
- Paloma Vineyard
- Phantom Wines LLC
- Philip Togni Vineyard
- Philippe-Lorraine Wines
- Prager Winery Bed & Breakfast
- Pride Mountain Vineyards
- Provenance Vineyards
- Raymond Vineyard & Cellar
- Realm Cellars
- Ritchie Creek Vineyard
- Robert Keenan Winery
- Rockland Wine Co
- Rombauer Vineyards
- Round Hill
- Round Hill Vineyards
- Ruston Family Vineyards
- Rustridge Ranch Bed & Breakfst
- S E Chase Family Cellars
- Salvestrin Wine Co
- Schweiger Vineyards & Winery
- Seavey Vineyard
- Sentail Wines
- Sherwin Family Vineyards
- Smith-Madrone Vineyards
- Snowden Vineyards
- Sourge Napa
- Sparrow Lane
- Spottswoode Winery
- Spring Mountain Vineyard
- St Clement Vineyards
- St Helena Winery
- Stanton Vineyards
- Stewart Sellers
- Stoney Springs Winery
- Sutter Home Winery Inc
- Switchback Ridge
- Tasting On Main
- Terra Valentine
- Tres Sabores
- Trespass Vineyard
- Trinchero Family Estates
- Tudal Winery
- Turley Wine Cellars
- V Sattui Winery
- Varozza Vineyards
- Villa Helena Winery
- Whitehall Lane Winery
- William Cole Vineyards
- William Harrison Winery
