| SAScott AG, LLC | Santa Rosa, CA | Miscellaneous Manufacturing339950 | 20–99 | ◐ LIKELY ACTIVE |
| SMSean Minor Wines | Sonoma, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SWSeaton Winery | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SQSei Querce | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SWSelby Winery | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SAShare a Splash Wine CO. | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SAShare a Splash Wine Co., LLC | Geyserville, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SShattercane | Santa Rosa, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SWSheldon Wines | Santa Rosa, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SVShippey Vineyards | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SFSichel Family Winery | Santa Rosa, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SRSiddiqui Rums Corporation | Windsor, CA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SCSierra Court LLC | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SCSierra Court LLC | Windsor, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SOSilver Oak Wine Cellars | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SOSilver Oak Wine Cellars | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SVSimoncini Vineyards | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SESinegal Estate | Sonoma, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SCSinger Cellars | Petaluma, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SWSinger Wine | Santa Rosa, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SSSipsong Spirits | Windsor, CA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SRSkipstone Ranch | Geyserville, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SWSkylark Wine Company | Sonoma, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SVSmall Vines Wines | Sebastopol, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| STSmb Technik, INC. | Santa Rosa, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SSSmith Story Wine Cellars | Santa Rosa, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SCSojourn Cellars | Santa Rosa, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SCSoliste Cellars | Santa Rosa, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SASonoma Aperitif | Penngrove, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SBSonoma Beverage Works, INC. | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SCSonoma Coast Spirits | Petaluma, CA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SCSonoma County Meat Co. | Santa Rosa, CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SMSonoma Muffin Works | Sebastopol, CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SVSonoma Valley Portworks | Petaluma, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SVSpann Vineyards | Glen Ellen, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SDSpiritsmith Distilling Company | Sebastopol, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SWStark Wine | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SVStarlite Vineyards | Geyserville, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SStarwine | Sebastopol, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SSStephen Situm | Geyserville, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SWStephen & Walker | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SSStillwater Spirits | Petaluma, CA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SIStonecushion, INC. | Healdsburg, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SIStonecushion, Inc. HQ | Geyserville, CA | Beverage and Tobacco Product Manufacturing312130 | 20–99 | ◐ LIKELY ACTIVE |
| SCStonemason Cellars | Santa Rosa, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SWStorey Wine Group | Kenwood, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SFStraus Family Creamery | Rohnert Park, CA | Food Manufacturing311511 | 100–499 | ◐ LIKELY ACTIVE |
| SVStressed Vines LLC | Santa Rosa, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SCStringer Cellars | Windsor, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SRSt. Rose Winery | Santa Rosa, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |