Producteurs de vin - CaliforniaBeta
- Lander-Jenkins California
- Landmark Vineyards California
- Lang & Reed Wine Company California
- Laurel Glen Vineyard Sonoma County
- Layer Cake Wines Central Coast
- Ledge Vineyards San Luis Obispo County
- Left Bend Winery Central Coast
- Levy & McClellan Napa County
- Lieu Dit Winery Santa Barbara County
- Lillian Winery California
- Lioco Wines California
- Liquid Farm Santa Barbara County
- Littorai California
- Lo-Fi Wines Santa Barbara County
- Lo.ca.tour California
- Lokoya Winery Napa County
- Lompoc Wine Co Santa Barbara County
- Long Meadow Ranch Napa County
- Louis M. Martini California
- Lucas & Lewellen Vineyards Santa Barbara County