Cecchetti Wine Company
- Produces a range of reds and whites in Lake County under the Redtree and 39 Degrees brands. Contains product descriptions, tasting notes, a company profile, and an award list.
- http://www.cecchettiwineco.com

Mankas Hills Vineyards
- Makes Cabernet Sauvignon, Merlot, and a rosé in Fairfield in the Suisun Valley. Includes descriptions of the products, company, and region, along with an award list and online ordering.
- http://www.mankashills.com/

Ledgewood Creek Winery
- Suisun Valley producer of a range of reds and whites. Includes product descriptions, ordering, an award list, and a company profile.
- http://www.ledgewoodcreek.com/

Suisun Valley Grape Growers Association
- Provides information about the appellation's history, geography, and climate, along with pictures and a list of wineries.
- http://www.svgga.com/

Vezér Family Vineyard
- Small family winery producing Zinfandel, Verdelho, Petite Sirah, Cabernet Sauvignon, and Chardonnay in Suisun Valley. Includes product descriptions, ordering, and event listings.
- http://www.vezerfamilyvineyard.com/

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.
- http://www.langtryestate.com/

Grable Vineyards
- Chardonnay producer in the Knights Valley AVA in Sonoma County. Includes information about their products, vineyards, and mailing list.
- http://www.grablevineyards.com/

Adobe Road Winery
- Small, family-owned winery producing Sonoma County Cabernet Sauvignon, Pinot Noir, Zinfandel and Cabernet Franc.
- http://www.adoberoadwines.com

Fieldbrook Winery
- Produces reds and whites in Humboldt County. Contains descriptions of current releases, an award list, and staff profiles.
- http://www.fieldbrookwinery.com/

Gregory Graham Wines
- Lake County producer of Pinot Noir, Viognier, Zinfandel, and Syrah. Includes product descriptions, ordering, and a company overview.
- http://www.ggwines.com/

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.
- http://www.ployezwines.com/

Cobb Wines
- Family-owned Pinot Noir producer on the Sonoma Coast. Includes a company overview and a description of the current releases.
- http://www.cobbwines.com/

Sonoma-Loeb Vineyards
- Sonoma County Chardonnay producer offers tasting notes, reviews, online ordering, and a company history.
- http://www.sonoma-loeb.com/

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.
- http://www.silveroak.com/

Wildhurst Vineyards
- Makes a range of reds and whites in Kelseyville. Contains product descriptions, an award list, and a company overview.
- http://www.wildhurst.com/

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.
- http://www.tuliphillwinery.com/

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.
- http://www.steelewines.com/

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.
- http://www.lakecountywinegrape.org/

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.
- http://www.fifevineyards.com/

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.
- http://www.ilcuorewines.com/

Flowers Vineyard & Winery
- Sonoma Coast producer of Pinot Noir and Chardonnay.
- http://www.flowerswinery.com/

Windsor Vineyards
- Sells wines with personalized labels. Includes descriptions of the products, the winery, and the company.
- http://www.windsorvineyards.com/

Peter Michael Winery
- Highly sought-after producer of fine Chardonnays and Les Pavots proprietary wine.
- http://www.petermichaelwinery.com/

Kalin Cellars
- A small winery producing 7,000 cases per year by traditional European methods in Marin County.
- http://www.kalincellars.com/

Gallo of Sonoma Winery
- Gina and Matt Gallo carry on a family tradition by producing fine wine from seven estate vineyards.
- http://www.gallosonoma.com/

Fisher Vineyards
- Produces small quantities of estate-grown Chardonnay, Merlot, and Cabernet Sauvignon. Contains vineyard descriptions, vintage notes, and a company overview.
- http://www.fishervineyards.com/

Adler Fels Winery
- Producing wines that offer intense varietal character and are among the most awarded in the world.
- http://www.adlerfels.com/

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.
- http://www.rossvalleywinery.com/

Mount Tamalpais Vineyards
- Produces Merlot in San Anselmo. Includes information about the product, the company, and the history of winemaking in Marin County.
- http://www.marinwines.com/

Starry Night Winery
- Producing hand-crafted fine wines in Marin County.
- http://www.starrynightwinery.com/

Wooden Valley Winery
- Three generations of the Lanza family have operated this winery in Suisun City. Includes wine descriptions, club information, and online ordering.
- http://www.woodenvalley.com/

Edmunds St. John
- Winery located in Berkeley specializing in Syrah and other Rhone varietal wines.
- http://www.edmundsstjohn.com/