Find Certified Wines, Wineries and Vineyards
Whether you’re a wine professional, wine enthusiast, or an occasional wine drinker, your choices can make a difference. Search certified wineries, vineyards or wines below by selecting the relevant tab.
| Vineyard | County | Region | Company | Year Two Met |
|---|---|---|---|---|
| Oasis Vineyard | Monterey | Central Coast | Monterey Pacific, Inc. | Yes |
| Obsidian Ridge | Lake | North Coast | Obsidian Wine Co. | Yes |
| Ogle Vineyard | Napa | North Coast | Nunez Vineyard Management | Yes |
| Olcese | Sonoma | North Coast | Sangiacomo Vineyards | Yes |
| Old Stake Vineyard | Lake | North Coast | Bella Vista Farming Co., LLC | Yes |
| Old Winery | Sonoma | North Coast | Dirt Farmer and Co. | Yes |
| Oliver Vineyards | Sonoma | North Coast | Tri Valley Vineyard Management | Yes |
| Olivet | Sonoma | North Coast | Korbel Champagne Cellars | Yes |
| Olivet | Sonoma | North Coast | Jackson Family Wines | Yes |
| Olivewood | Stanislaus | Inland Valleys | Manna Ranch | Yes |
| Olson Family Vineyard | Sonoma | North Coast | Grace Vineyard Management | Yes |
| Olson's - Creeks End | Sonoma | North Coast | Munselle Vineyards, LLC | Yes |
| Olson/Force Canyon Ranch | Monterey | Central Coast | E & J Gallo Winery | Yes |
| One Palm | Merced | Inland Valleys | Bronco Wine Company (Vineyards) | Yes |
| One Sky Vineyard | Sonoma | North Coast | Price Family Vineyards & Estates | Yes |
| ONX Briarwood Vineyard | San Luis Obispo | Central Coast | Vineyard Professional Services | Yes |
| Orange Muscat - Avenue 13 - Hearty Growers | Madera | Inland Valleys | Hearty Growers Inc | Yes |
| Orange Muscat - Bill Prosperi | Madera | Inland Valleys | Bill Prosperi | Yes |
| Orange Muscat - Hearty Growers Inc | Madera | Inland Valleys | Hearty Growers Inc | Yes |
| Organic Chardonnay 252 | Madera | Inland Valleys | Schafer Ranch, Inc. | Yes |