Alexander Valley
Alexander Valley Vineyards, Alexander Valley Winegrowers, Bandiera Winery, Canyon Road Winery, Chateau Souverain, Clos du Bois, DeLorimier, Field Stone Winery, Geyser Peak Winery, Hanna Winery
Carneros
Acacia Winery, Adastra Wines, Bouchaine Vineyards, Buena Vista Carneros Winery, Carneros Creek, Casa Carneros Winery, Castle Vineyards, Ceja Vineyards, Cline Cellars, Domaine Carneros
Dry Creek Valley
A. Rafanelli Winery, Alderbrook Vineyards & Winery, Amphora Wines, Armida Winery, Bella Vineyards, Bradford Mountain Winery, Brogan Cellars, Camellia Cellars, Collier Falls Vineyards, David Coffaro Wine
Mendocino
Anderson Valley Winegrowers Association, Barra of Mendocino, Bonterra Vineyards, Braren Pauli Winery, Brutocao Cellars & Vineyards, Christine Woods Vineyards, Claudia Springs Winery, Domaine Saint Gregory, Duncan Peak, Dunnewood Vineyards & Winery
Napa Valley
Howell Mountain, Mt. Veeder, Oakville, Rutherford, Spring Mountain District, St. Helena, Stags Leap District, Yountville, Amizetta Vineyards, Amusant Wines, Ancien Wines, Andretti Winery, Andrew Geoffrey Vineyards, Araujo Estate Wines, Ardente Winery, Ariel Vineyards, Artesa Vineyards and Winery, Astrale e Terra
Russian River Valley
Acorn Winery, Adrian Fog Winery, Armagan Champagne and D'Agostini Wines, Bacar Vineyards, Barefoot Wines, Battaglini Estate Winery, Baystone Wines, Belvedere Vineyards and Winery, Bennett Ridge Vineyard, Blackstone Winery
Sonoma Valley
Abundance Vineyards Winery, Arrowood Vineyards & Winery, B.R. Cohn Winery, Bartholomew Park Winery, Benziger Family Winery, Berthoud Vineyards and Winery, Chandelle Winery, Charles Creek Vineyard, Chateau St. Jean, Coturri Winery
Abbott Winery
Maker of estate bottled Mourvedre and Syrah. Includes vintage notes, a wine-term glossary, and some recipes.
Adler Fels Winery
Producing wines that offer intense varietal character and are among the most awarded in the world.
Cobb Wines
Family-owned Pinot Noir producer on the Sonoma Coast. Includes a company overview and a description of the current releases.
Decker Wines
Produces Sonoma Chardonnay and Napa Merlot from purchased grapes. Contains product descriptions, recipes, and a company history.
Edmunds St. John
Winery located in Berkeley specializing in Syrah and other Rhone varietal wines.
Fieldbrook Winery
Produces reds and whites in Humboldt County. Contains descriptions of current releases, an award list, and staff profiles.
Fife Vineyards
Specializes in reds, with locations in Mendocino's Redwood Valley and Napa Valley's Spring Mountain. Features product descriptions, online ordering, and a company overview.
Fisher Vineyards
Produces small quantities of estate-grown Chardonnay, Merlot, and Cabernet Sauvignon. Contains vineyard descriptions, vintage notes, and a company overview.
Flowers Vineyard & Winery
Sonoma Coast producer of Pinot Noir and Chardonnay.
Gallo of Sonoma Winery
Gina and Matt Gallo carry on a family tradition by producing fine wine from seven estate vineyards.
Gregory Graham Wines
Lake County producer of Pinot Noir, Viognier, Zinfandel, and Syrah. Includes product descriptions, ordering, and a company overview.
Guenoc and Langtry Estate
Produces red, white, and fortified wines from Lake County's Guenoc Valley. Contains product information, marketing materials, a newsletter, and an estate profile.
Il Cuore Wine Cellars
Santa Rosa producer of Chardonnay, Cabernet Sauvignon, and a red blend from Mendocino County. Contains product descriptions, recipes, and an article on health effects.
Kalin Cellars
A small winery producing 7,000 cases per year by traditional European methods in Marin County.
Lake County Winegrape Commission
Provides information about grape growers and wineries of Lake County. Includes news, an article about the region, and information about grapes for sale.
Mount Tamalpais Vineyards
Produces Merlot in San Anselmo. Includes information about the product, the company, and the history of winemaking in Marin County.
Peter Michael Winery
Highly sought-after producer of fine Chardonnays and Les Pavots proprietary wine.
Ployez Winery
Produces a range of red, white, and sparkling wines in Lake County. Features online ordering, product reviews, event list, and a company overview.
Ross Valley Winery
Operates out of a residential garage, producing small lots of red wines in San Anselmo. Contains a company overview, newsletters, pictures, ordering information, and recipes.
Silver Oak Cellars
Cabernet Sauvignon specialist with vineyards in Alexander and Napa valleys. Offers product descriptions, videos, a newsletter, a "personal cellar," and a company overview.
Sonoma-Loeb Vineyards
Sonoma County Chardonnay producer offers tasting notes, reviews, online ordering, and a company history.
Starry Night Winery
Producing hand-crafted fine wines in Marin County.
Steele Wines, Inc.
Owner and winemaker Jed Steele produces a range of red and whites under the Steele and Shooting Star labels in Lake County. Describes the wines, the winery, and their harvest festival.
Tulip Hill Winery
Family-operated producer of Chardonnay, Merlot, Syrah, and Cabernet Sauvignon in Lake County. Includes online ordering, a vineyard description, a winemaker profile, and news.
Wildhurst Vineyards
Makes a range of reds and whites in Kelseyville. Contains product descriptions, an award list, and a company overview.
Windsor Vineyards
Sells wines with personalized labels. Includes descriptions of the products, the winery, and the company.
Wooden Valley Winery
Three generations of the Lanza family have operated this winery in Suisun City. Includes wine descriptions, club information, and online ordering.