- Seley & Co
- Servi-Tech Inc
- Shade Tree Mechanical
- Shields Entomological Svc
- Shoemaker Genetics
- Sierra Pacific Farms Inc
- SMD Logistics Inc
- Soil & Plant Laboratory Inc
- Soil & Plant Laboratory Inc
- Somis Pacific Ag Management
- Southwest Asset Solutions Inc
- Spectrum Produce Distributing
- STA Laboratores
- Sterling Nutritional Svc
- Stockton Certified Farmers
- Stokes Flying Svc
- Suburban Forest Products
- Sun Grown Sales Inc
- Syngenta
- Technology Sciences Group Inc
- Terrestre Inc
- Terrestre Inc
- Time Covering Co
- Time Covering Co
- Tony's Parts & Svc
- Trans Agro
- Treevine Consulting
- Trio Equipment Co
- Turf Solutions Inc
- United Fresh Potato Growers
- V B Agricultural Svc
- Van Ruiten Bros
- Vineyard Soil Technologies
- West Mark Group
- Western Farm Svc Inc Central
- Western Growers Assn
- Whaley & Steinberg
- Woolf Harvesting Co
- Zappettini Group