- Alexander Valley Winegrowers
- Contact: Jan Gianni
- Phone: 707/431-2894
- Amador Vintners Association
- Contact: Jack Gorman
- Phone: 209/245-6992 / 888-655-8614
- Amador Winegrowers
- Phone: 209/245-8200
- Contact: grapes@amadorwinegrapes.com
- Anderson Valley Winegrowers Association
- Contact: Janis McDonald
- Phone: 707/895-WINE
- Calaveras Winegrape Alliance
- Contact: Shelby French
- Phone: 209/728-9467
- Carneros Wine Alliance
- Contact: Carla Bosco
- Address: P.O. Box 189, Vineburg, CA 95487
- Central Coast Vineyard Team
- Contact: Kris Beal
- Clarksburg Wine Growers and Vintners Association
- Contact: Bekki Fay
- Address: P.O. Box 308, Clarksburg, CA 95612
- Phone: 916/744-1234
- El Dorado Wine Grape Growers Association
- Contact: Ken Buchert
- Phone: 530/620-1404
- El Dorado Winery Association
- Contact: Kara Sather
- Phone: 800/306-3956
- Fort Ross-Seaview Winegrowers Association
- Contact: Linda Schwartz
- Phone: 707/847-3460
- Independent Grape Growers of the Paso Robles Area (IGGPRA)
- Contact: Lowell Zelinski
- Phone: 805/239-4443 (Marketing Agency)
- Lake County Winegrape Commission
- Contact: Debra Sommerfield
- Phone: 707/279-2633
- Lake County Winery Association
- Contact: Helena Welsh
- Phone: 707/357-5237
- Lamorinda Winegrowers Association
- Contact: Susan Captain
- Phone: 925/899-0703
- Livermore Valley Winegrowers Association
- Contact: Chris Chandler
- Phone: 925/447-9463
- Lodi District Grape Growers Association
- Contact: Amy Blagg
- Phone: 209/869-5756
- Lodi Winegrape Commission
- Contact: Stuart Spencer
- Phone: 209/367-4727
- Madera Vintners Association
- Contact: Wendy Eachus
- Phone: 800/613-0709
- Malibu Coast AVA
- Contact: Dan Fredman
- Phone: 323/899-9463
- Marin County Winegrowers Association
- Contact: Valerie Wathen
- Phone: 707/823-3887
- Mendocino Winegrowers
- Contact: Bernardette Byrne
- Phone: 707/901-7629
- Monterey County Vintners & Growers Association
- Contact: Kim Stemler
- Phone: 831/375-9400
- Napa Valley Grape Growers
- Contact: Jennifer Kopp Putnam
- Phone: 707/944-8311
- Napa Valley Vintners
- Contact: Linda Reiff
- Phone: 707/963-3388
- Oakville Winegrowers
- Contact: Joyce Stavert
- Phone: 707/479-3278
- Paso Robles Wine Country Alliance
- Contact: info@pasowine.com
- Phone: 805/239-8463
- Placer County Vintners Association
- Contact: Jocelyn Maddux
- Phone: 916/663-4486
- Placer County Wine & Grape Association
- Email: placerwine@gmail.com
- Phone: 916/250-1529
- Ramona Valley Vineyard Association
- Contact: Bill Schweitzer
- Phone: 760/789-1622
- Ramona Valley Winery Association
- Contact: Carolyn Harris
- Phone: 760/788-0018
- Russian River Valley Winegrowers
- Contact: Shannon Wesley
- Phone: 707/521-2534
- Rutherford Dust Society
- Phone: 707/987-9821
- San Diego County Vintners Association
- Contact: Marilyn Kahle
- Phone: 760/788-4818
- San Joaquin Valley Winegrowers Association
- Contact: Peterangelo Vallis
- Phone: 559/272-1411
- San Luis Obispo Wine Country Association
- Contact: Anne Steinhauer
- Phone: 805/541-5868
- Santa Barbara County Vintners Association
- Contact: Alison Laslett
- Phone: 805/688-0881
- Santa Cruz Mountains Winegrowers Association
- Contact: Keikilani McKay
- Phone: 831/818-4529
- Santa Ynez Valley Wine Country Association
- Contact: Cheryl K. Stauffer
- Phone: 800/563-3183
- Shasta-Cascade Viticulture Association
- Contact: Debbie Johnson
- Phone: 530/549-5375
- Sierra Grape Growers Association
- Contact: Grace Zimmerman
- Phone: 530/432-4894
- Sierra Vintners
- Email: info@sierravintners.com
- Phone: 530/205-3016
- Sonoma County Winegrape Commission
- Contact: Karissa Kruse
- Phone: 707/522-5863
- Sonoma County Vintners
- Contact: Michael Haney
- Phone: 707/522-5842
- Sonoma Valley Vintners and Growers Alliance
- Contact: Maureen Cottingham
- Phone: 707/935-0803
- Spring Mountain District Association
- Contact: Gretchen Brakesman
- Phone: 707/363-7236
- Stag's Leap District Winegrowers Association
- Contact: Nancy Bialek
- Phone: 707/255-1720
- Sta. Rita Hills Winegrowers Alliance
- Contact: Barbara Satterfield
- Phone: 805/570-0741
- Suisun Valley Vintners and Grape Growers Association
- Contact: Roger King
- Phone: 707/425-9076
- Temecula Valley Winegrowers Association
- Contact: Krista Chaich
- Phone: 800/801-9463
- Ventura County Wine Trail
- Email: info@vcwines.com
- Phone: 805/983-1560
- West Sonoma Coast Vintners
- Email: info@westsonomacoast.com
- Phone: 707/824-9000
- Wine Growers of Dry Creek Valley
- Contact: Ann Petersen
- Phone: 707/433-3031
- Address: P.O. Box 1796, Healdsburg, CA 95448
- Wine Growers of Napa County
- Contact: Michelle Benvenuto
- Phone: 707/258-8668
- Wine Road of Northern Sonoma County
- Contact: Beth Costa
- Phone: 800/723-6336
- Wineries of Santa Clara Valley
- Contact: Geoff Mace
- Phone: 877/345-9728
- Address: P.O. Box 562, San Martin, CA 95046
