| Sierra Nevada / Russian River | |
| Sierra Nevada / Victory | |
| Sierra Nevada Brewing Co. | Chico, California |
| Sierra Nevada Brewing Co. / Dogfish Head Craft Brewery | |
| Sierra Nevada Brewing Co. / Russian River Brewing Company | |
| Sig Brewing | Tacoma, Washington |
| Sigma Beer | Houston, Texas |
| Sigma Brewing Company | |
| Sigtuna Brygghus | Arlandastad, Sweden |
| Siletz Roadhouse & Brewery | Siletz, Oregon |
| Silva Brewing | Paso Robles |
| Silver Branch Brewing Co. | Silver Spring, MD |
| Silver City Brewing Co. | Silverdale, Washington |
| Silver Gulch Brewing Company | Fox, Alaska |
| Silver Moon Brewing | Bend, oregon |