Route 66 Cellars
- Small producer of a variety of red, white, and specialty wines, including jalapeño wine, in Needles. Features product descriptions, a winery profile, and an order form [PDF format].
- http://route66cellars.com/

Kitfox Vineyards
- Family-operated producer of red and white blends in Patterson. Includes product descriptions, an order form [PDF format], reviews, vineyard information, and marketing materials.
- http://www.kitfoxvineyards.com/

Z52 Winery
- Produces Zinfandel from Lodi and Amador. Features product details, an order form [PDF format], and excerpts from reviews.
- http://www.z52wines.com/

Rabbit Ridge Winery and Vineyards
- Produces a wide range of reds and whites with locations in Healdsburg and Paso Robles. Features product descriptions, ordering information, a newsletter, and a company overview.
- http://www.rabbitridgewinery.com/

Robert Mondavi
- Produces whites and reds, including the Woodbridge and La Famiglia brands, and has joint ventures in several countries. Includes product descriptions, recipes, events, and a company overview.
- http://www.mondavi.com/

Moraga Vineyards
- Produces a red and a white in the hills of Bel Air. Includes product descriptions, pictures, and a company overview.
- http://www.moragavineyards.com/

Fresno State Winery
- The country's only commercial winery on a university campus. Includes product descriptions, online purchasing, and a winery overview. Proceeds support Viticulture and Enology students.
- http://www.fresnostatewinery.com/

Clarksburg Wine Growers Association
- Contains information about this Sacramento River Delta region including lists of local wineries and grape growers.
- http://www.clarksburgwinegrowers.com/

Six Hands Winery
- Walnut Grove producer of Chenin Blanc and Cabernet Sauvignon.
- http://www.sixhandswinery.com/

Quady Winery
- Madera, California producer of dessert wines.
- http://www.quadywinery.com

Jeff Runquist Wines
- Produces Zinfandel, Sangiovese, Barbera, and Syrah in Ripon. Includes product and vineyard descriptions, reviews, an award list, and a wine knowledge quiz.
- http://www.jeffrunquistwines.com/

Frasinetti Winery
- Sacramento Valley's oldest family owned and operated winery, established in 1897. Contains information about the facility, current releases, and online ordering.
- http://www.frasinetti.com/

Ficklin Vineyards
- Madera producer of port style wines.
- http://www.ficklin.com/

Engelmann Cellars
- Fresno boutique winery producing Cabernet Shiraz, Sangiovese, Zinfandel and Shiraz. Also offers online purchasing.
- http://www.engelmanncellars.com/

Cribari Vineyards
- Produces sacramental altar wines in Fresno. Contains a company profile and product descriptions.
- http://www.altarwines.com/

Bogle Winery
- Family-owned winery in Clarksburg, whose products include Chardonnay, Petite Sirah, Cabernet Sauvignon, and Zinfandel. Contains product, company, and winemaker profiles, along with club information.
- http://www.boglewinery.com/

Almaden Vineyards
- Constellation Brands subsidiary produces box and table wines in Madera. Contains product lists, a company history, and recipes.
- http://www.almaden.com/

Agajanian Vineyards, Inc.
- Produces Zinfandel, Chardonnay, Merlot, and Cabernet Sauvignon in Fresno. Includes product descriptions, online ordering, and lists of services for winemakers and growers.
- http://www.agajanian.com/

A. Nonini Winery
- Produces a variety of reds and whites in Fresno. Features product descriptions, a company history, and online ordering.
- http://www.noniniwinery.com/

Turning Leaf Vineyards
- Modesto producer of a range of reds and whites. Includes product information, recipes, food pairing suggestions, and an interactive aroma wheel [Flash required].
- http://www.turningleaf.com/

The Society of Medical Friends of Wine
- Society of physicians promoting scientific research and an understanding of wine's benefits. Includes articles, pictures, an event calendar, and membership information.
- http://www.medicalfriendsofwine.org/

Rosenblum Cellars
- Specializes in Zinfandel, but also produces a wide range of reds and whites. Includes descriptions of current releases, an award list, and a company overview. Locations in Alameda and Healdsburg.
- http://www.rosenblumcellars.com/

Mirassou Winery
- America's oldest winemaking family offers a wide range of reds and whites. Includes descriptions of wines, awards, a family history, a company overview, and event listings. Located in San Jose and Los Gatos.
- http://www.mirassou.com/

Grey Fox Vineyards
- Makes Barbera, Chardonnay, Merlot, Zinfandel, Syrah, and Sangiovese in Oroville. Online purchasing and a company profile.
- http://www.greyfox.net/

Riboli Family Wine Estates
- Produces several brands in different regions of the state, including the historic San Antonio Winery in Los Angeles. Includes product and vineyard descriptions, along with an award list.
- http://www.riboliwines.com/

Rosenthal Malibu Estate Wines
- Produces Cabernet Sauvignon, Merlot, and Chardonnay in Malibu. Includes descriptions of the winery and wines, along with online ordering.
- http://www.rosenthalestatewines.com/

Antelope Valley Winery
- Makes a wide range of reds and whites in northern Los Angeles County. Features online ordering and private label information.
- http://www.avwinery.com/

Joseph Filippi Winery
- Family winegrowers and producers in the Cucamonga Valley. Features product descriptions, online purchasing, an award list, and a winery history.
- http://www.josephfilippiwinery.com/

Family Winemakers Of California
- Non-profit association promoting the right to freely produce, market, and sell wines. Contains information about their platform, membership, and donations. Also offers bulletin boards and links.
- http://www.familywinemakers.org/

Stringer's Orchard Wild Plum Winery
- Located in Modoc county, this winery produces wines from the Pacific or Western wild plum.
- http://www.stringersorchard.com/

DeVineConsultants
- Los Gatos custom farming and vineyard management firm specializes in home vineyards.
- http://www.microwinery.com

Siduri
- World class Pinot Noir from a variety of vineyards.
- http://www.siduri.com/

Delicato Family Vineyards
- Producing Californian wines with an Italian influence since 1924.
- http://www.delicato.com/