- Alexander Valley Winegrowers
- Contact: Vicky Robinson
- Phone: 707/431-2894;
- Fax: 707/431-2459
- Amador County Grape Growers Association
- Contact: Art Toy
- Amador Vintners Association
- Contact: Jamie Lubenko
- Phone: 209-245-6992 / 888-688-0881;
- Fax: 209-267-2298
- Anderson Valley Winegrowers Association
- Contact: Kristy Charles
- Phone: 707/895-WINE
- Email: info@avwines.com
- Calaveras Winegrape Alliance
- Contact: Anna Davies
- Phone: 209-736-6722
- Email: Anna.cwa@hotmail.com
- California North Coast Grape Growers Association
- Contact: Jim Gilmore
- Phone: 707/578-8331;
- Fax: 707/578-6771
- Carneros Wine Alliance
- Contact: Phyllis Gillis
- Phone: 707/253-2678;
- Fax: 707/253-1631
- Central California Winegrowers
- Contact: Peterangelo Vallis
- Phone: 559/618-1856;
- Fax: 559/440-9349
- Email: info@ccwinegrowers.org
- Fax: 559/440-9349
- Central Coast Wine Growers Association
- Contact: Tammy Nightingale
- Phone: 805/928-4950;
- Fax: 805/928-2201
- Email: ccwga@verizon.net
- Fax: 805/928-2201
- Clarksburg Winegrowers Association
- Contact: Elizabeth G. Merwin
- Phone: 916/448-7282
- Email: info@clarksburgwinegrowers.com
- El Dorado Wine Grape Growers Association
- Contact: Ken Buchert
- Phone: 530/620-1404
- Email:bffarms@mindspring.com
- El Dorado Winery Association
- Contact: Betty Young-McIntire
- Phone: 800/306-3956;
- Fax: 530/295-2009
- Email: info@eldoradowines.org
- Fax: 530/295-2009
- Lake County Grape Growers Association
- Contact: Rob Roumiguiere
- Lake County Winegrape Commission
- Contact: Shannon Gunier
- Phone: 707/995-3421;
- Fax: 707/995-3618
- Email: rickg@lakecountywinegrape.org
- Fax: 707/995-3618
- Livermore Valley Winegrowers Association
- Contact: Chris Chandler
- Phone: 925/447-9463;
- Fax: 925/447-0433
- Email: cchandler@livermorewine.com
- Fax: 925/447-0433
- Lodi Appellation Winery Association
- Contact: Nick Sikeotis
- Phone: 888/700-LODI;
- Fax: 209/368-3602
- Lodi District Grape Growers Association
- Contact: Elizabeth Giannini
- Phone: 209/339-8246;
- Fax: 209/339-8246
- Lodi Grower/Vintner Alliance
- Contact: Stephen Kautz
- Phone: 209/334-4786;
- Fax: 209/339-1689
- Lodi Woodbridge Winegrape Commission
- Contact: Mark Chandler
- Phone: 209/367-4727;
- Fax: 209/367-0737
- Madera Vintners Association
- Contact: K.C. Pomering
- Phone: (800) 613-0709
- E-Mail: info@maderavintners.com
- Mendocino Winegrowers Alliance
- Contact: John Enquist
- Phone: 707/468-9886;
- Fax: 707/468-9887
- Email: mwa@mendowine.com
- Fax: 707/468-9887
- Monterey County Vintners & Growers Association
- Contact: Rhonda Motil
- Phone: 831/375-9400;
- Fax: 831/375-1116
- Napa Valley Grape Growers Association
- Contact: Jennifer Kopp
- Phone: 707/944-8311;
- Fax: 707/224-7836
- Napa Valley Vintners
- Contact: Linda Reiff
- Phone: 707/963-3388;
- Fax: 707/963-3488
- Nevada County Wineries Association
- Contact: Rod Byers
- Phone: 530/265-6470;
- Fax: 530/265-6860
- Email: ncwawine@gv.net
- Fax: 530/265-6860
- Oakville Winegrowers
- Contact: Kathy Meinhardt
- Phone: 707/944-0216;
- Fax: 707/945-0229
- Paso Robles Wine Country Alliance
- Contact: Stacie Jacob
- Phone: 805/239-8463;
- Fax: 805/237-6439
- Placer County Wine & Grape Association
- Contact: Vicky Morris
- Phone: 916/652-6015
- Email: info@placerwineandgrape.org
- Russian River Valley Winegrowers
- Contact: Bob Cabral
- Phone: 707/521-2534;
- Fax: 707/546-3277
- Email: info@rrvw.org
- Fax: 707/546-3277
- Russian River Wine Road
- Contact: Elizabeth Slater
- Phone: 800/723-6336
- Fax: 707/433-4374
- Email: info@wineroad.com
- Fax: 707/433-4374
- Rutherford Dust Society
- email: tthomas@balzac.com
- Phone: 707-255-7667 FAX: 707-255-1119
- San Diego County Vintners Association
- Contact: Alex McGeary
- Fax: 760-782-2787
- Email: Info@SanDiegoWineries.org
- San Luis Obispo Vintners & Growers Association
- Contact: Becky Gray
- Phone: 805/541-5868;
- Fax: 805/541-3934
- Santa Barbara County Vintners Association
- Contact: Jim Fiolek
- Phone: 805/688-0881;
- Fax: 805/686-5881
- Email: information@sbcountywines.com
- Fax: 805/686-5881
- Santa Cruz Mountains Winegrowers Association
- Contact: Karen & John Hibble
- Phone: 831/479-WINE;
- Fax: 408/688-6961
- Email: info@scmwa.com
- Fax: 408/688-6961
- Santa Rita Hills Vintners and Growers Association
- Contact: Peter Work
- Sierra Grape Growers Association
- Contact: Joan Hughes
- Phone: 530/432-4894;
- Fax: 530/432-5737
- Silverado Trail Wineries Association
- Contact: Linda McGee
- Phone: 707/253-2802;
- Fax: 707/253-1019
- Sonoma County Winegrape Commission
- Contact: Nick Frey
- Phone: 707-522-5861;
- Fax: 707-522-5866
- Sonoma County Wineries Association
- Contact: Honore Comfort
- Phone: 707/586-3795;
- Fax: 707/586-1383
- Email: info@sonomawine.com
- Fax: 707/586-1383
- Sonoma Valley Vintners and Growers Alliance
- Contact: Grant Raeside
- Phone: 707/935-0803;
- Fax: 707/935-1947
- Stag's Leap District Winegrowers Association
- Contact: Nancy Bialek
- Phone: 707/255-1720;
- Fax: 707/255-1760
- Suisun Valley Grape Growers Association
- Contact: Roger King
- Phone: 707/425-9076
- Temecula Valley Winegrowers Association
- Contact: Phil Baily
- Phone: 909-699-6586; 800-801-9463
- Fax: 909-699-2353
- Wine Artisans of Santa Lucia Highlands
- Contact: Bill Leigon
- Phone: 831/678-2132
- Wine Growers of Dry Creek Valley
- Contact: Diane Johannsen
- Phone: 707/433-3031;
- Fax: 707/433-3031
- Email: info@wdcv.com
- Fax: 707/433-3031
- Wine Growers of Napa County
- Contact: Debra Blodgett
- Wineries of Santa Clara Valley
- Contact:George Guglielmo, President
- Phone: 408-779-2145