| USUnico Services INC | Benicia, CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| USUnivar Solutions USA LLC | Fairfield, CA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UCUnleashed Coffee CO LLC | Vacaville, CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| UGUS Geological Survey | Dixon, CA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| VFVacaville Fruit CO INC | Vacaville, CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| VFVacaville Fruit Company INC | Vacaville, CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| VRValero Refining Company | Benicia, CA | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| VCVallejo Coffee Roasting CO | Vallejo, CA | Beverage and Tobacco Product Manufacturing312112 | — | ◇ UNVERIFIED |
| VEVallejo Electric Motor INC | Vallejo, CA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| VMVallejo Marine Craft INC. | Vallejo, CA | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| VAVestas American Wind Technologies INC. | Rio Vista, CA | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| VRVision Recycling Benicia | Benicia, CA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| WWade | Dixon, CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| WUWatershield Usa, LLC | Dixon, CA | Machinery Manufacturing333923 | — | ◇ UNVERIFIED |
| WSWelch & Silveira, INC | Clarksburg, CA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| WMWellco Manufacturing, INC. | Dixon, CA | Transportation Equipment Manufacturing336999 | — | ◇ UNVERIFIED |
| WDWestcott Design INC | Benicia, CA | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| WDWestern Dovetail, INC | Vallejo, CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| WDWestern Dovetail, INC | Vallejo, CA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| WPWheeler-sonoma Printers | Vallejo, CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| WWWhiteowl Woodworks, LLC | Vallejo, CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| WFWickes Forest Industries | Elmira, CA | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| WCWill C. Wood High School | Vacaville, CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| WAWinters Aggregates | Winters, CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WCWoodline Cabinets | Fairfield, CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| WSWood Specialties | Vacaville, CA | Food Manufacturing311313 | — | ◇ UNVERIFIED |
| WWoodworks | Vallejo, CA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| WRW R Meadows Inc/western Div | Benicia, CA | Leather and Allied Product Manufacturing316110 | — | ◇ UNVERIFIED |
| WIWunder-mold INC. | Vacaville, CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| YIYla, INC | Benicia, CA | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| YPYoung Products | Suisun City, CA | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| ZSZ Systems, INC. | Vacaville, CA | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
