| AEAecom Energy & Construction, INC | Fairfield, CA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| ASAer Sales | Vacaville, CA | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |
| AUAerzen USA Corp-west Region | Benicia, CA | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
| ALAgromin/yolo Land & Cattle Agriculture Material Chipping & Grinding Operations | Dixon, CA | Chemical Manufacturing325315 | — | ◇ UNVERIFIED |
| ARAlamillo Rebar INC | Benicia, CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| APAlcan Packaging American Canyo | Vallejo, CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| ADAl Dahra Acx Global | Vacaville, CA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| AAAll American Elevator Company | Fairfield, CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| AMAllied Manufacturing INC | Benicia, CA | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| ASAll Star Cleaning & Preservation, INC. | Vallejo, CA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| AAAll-weather Architectural Aluminum INC | Vacaville, CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| ACAlza Corporation | Vacaville, CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ALAlzet LLC | Vacaville, CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| AHAmazon Haulers | Fairfield, CA | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| AFAmcor Flexibles, INC | Vallejo, CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| AWAmerican Woodworks | Benicia, CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| AWAmoy Wines LLC | Vallejo, CA | Beverage and Tobacco Product Manufacturing312130 | — | ◇ UNVERIFIED |
| APAmp Power Batteries | Fairfield, CA | Electrical Equipment, Appliance & Component Manufacturing335910 | — | ◇ UNVERIFIED |
| AKAmyn Kaderali | Fairfield, CA | Paper Manufacturing322219 | — | ◇ UNVERIFIED |
| ATAnderson Truss | Dixon, CA | Wood Product Manufacturing321215 | — | ◇ UNVERIFIED |
| AHAni Holding LLC | Vacaville, CA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| AIApm INC | Benicia, CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AIAppiano's Installations INC | Benicia, CA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| AMApplied Materials | Fairfield, CA | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| AGArdagh Group | Fairfield, CA | Nonmetallic Mineral Product Manufacturing327213 | — | ◇ UNVERIFIED |
| APAstro Pak Corporation | Benicia, CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ACAstropak Corporation | Fairfield, CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| APAstro Pak LLC | Fairfield, CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ABAutomatic Bar Controls INC Wunderbar | Vacaville, CA | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| ADAvery Dennison | Fairfield, CA | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| BMBall Metal Beverage Container CORP | Fairfield, CA | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| BCBarry's Cultural Marble INC | Benicia, CA | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| BABay Area Coffee INC | Benicia, CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| BABay Area Coffee INC | Suisun City, CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| BABay Area Metal Fabrication LLC | Benicia, CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BSBay Shore Systems Incorporated | Benicia, CA | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| BIBc Iron Designs INC. | Fairfield, CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| BIBegk INC | Dixon, CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| BCBejac Corporation | Fairfield, CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| BMBellingham Marine Industries | Dixon, CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| BMBellingham Marine Industries INC | Dixon, CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| BRBendig-moran Roasting, LLC | Suisun City, CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| BCBenicia Cabinetry | Benicia, CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| BFBenicia Fabrication and Machines, INC. | Benicia, CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| BFBenicia Foundry & Iron Works | Benicia, CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
 Bio-rad Laboratories | Benicia, CA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| BLBkm LLC | Fairfield, CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| BSBlair Sign Programs | Vacaville, CA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| BTBlue Triton Brands | Vallejo, CA | Miscellaneous Manufacturing339930 | — | ◇ UNVERIFIED |
| BBBradbury & Bradbury Art Wallpa | Benicia, CA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
