| STShaheen Trans LLC | Live Oak, CA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| SCSierra Cedar Prod | Marysville, CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
 Sierra Pacific Industries | Marysville, CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SRSmith Ranch | Live Oak, CA | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| SRS&p/d-10 Receiving, INC | Yuba City, CA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| SRSpernak Racing Engines | Marysville, CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
 Sun Chemical Corporation | Yuba City, CA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| SMSunset Moulding CO | Live Oak, CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| SRSurjit Rahul | Rio Oso, CA | Transportation Equipment Manufacturing336330 | — | ◇ UNVERIFIED |
| SBSutter Buttes Ag Distribution | Olivehurst, CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| TBTaylor Bros Farms INC | Yuba City, CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| TATeichert Aggregates - Asphalt | Marysville, CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| TRTeichert Readymix | Sutter County, CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TRThe Rock Yard | Yuba City, CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TWTitan Workforce | Yuba City, CA | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| THTom Harris Design | Yuba City, CA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| TCTown Cleaners LLC | Yuba City, CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| VVValley View Packing CO | Yuba City, CA | Food Manufacturing311423 | — | ◇ UNVERIFIED |
| VAVigiani's Auto Body | Yuba City, CA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| WPWilber Packing CO INC | Yuba City, CA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| WTWright's Truck Service | Yuba City, CA | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| YCYuba County Library | Marysville, CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| YRYuba River Moulding & Millwork | Marysville, CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
