| 1 Hour Drain Hotshot Restoration | B + C20, C36, C43 +1 | 2010 | Active |
| 1-800 Water Damage Of West San Jose And Sunnvale | B | 2023 | Active |
| 1153 San Rafael LLC | B + C20 | 2019 | Active |
| 2 Homes Inc | B | 2016 | Active |
| 3 M P Builders Inc | B | 2017 | Active |
| 3 Star Construction Inc | B | 2022 | Active |
| 3serg Homebuilder Inc | B + C9 | 2020 | Active |
| 408 Builders Inc | B | 2026 | Active |
| 5 Brothers Best Construction Inc | B | 2024 | Active |
| 5b Construction | B + C10 | 2024 | Active |
| 7 M General Engineering Inc | A | 2020 | Active |
| 9 Builders Inc | B | 2025 | Active |
| A & A Dream House Construction | B | 2020 | Active |
| A & I Construction Inc | B | 2007 | Active |
| A & J California Builders Inc | B | 2010 | Active |
| A & O Construction | B | 2010 | Active |
| A & S California Construction Inc | B | 2003 | Active |
| A - 1 Home Repairs Inc | B | 2008 | Active |
| A 2 Z Builders | B | 2023 | Active |
| A B C & D Inc | B | 2023 | Active |
| A C M Construction Inc | B + C10 | 1995 | Active |
| A D C Construction Management Inc | B | 1998 | Active |
| A D G Construction Inc | B | 2014 | Active |
| A E S T Realty | B | 2010 | Active |
| A F General Contractors Inc | B + C8 | 2015 | Active |
| A M A Medina Construction | B | 2015 | Active |
| A M Drywall Inc | B + C9 | 2001 | Active |
| A M General Contractors Inc | B | 2011 | Active |
| A Plus Commercial Services | B + C20, C36 | 2005 | Active |
| A Plus Construction Management LLC | B | 2025 | Active |
| A T D Construction Group Inc | B | 2019 | Active |
| A Y H Remodeling And Construction Inc | B | 2025 | Active |
| A-H Construction Inc | B + C10 | 2021 | Active |
| A7 Construction Inc | B | 2024 | Active |
| Aa Construction | B | 2005 | Active |
| Aaa Bay Area Builders Inc | B | 2024 | Active |
| Aaleest USA Construction Inc | B | 2026 | Active |
| Aba General Construction Corp | B | 2010 | Active |
| Abacus Construction Group | A | 2026 | Active |
| Abc Construction LLC | B | 2014 | Active |
| Abcabinet | B | 2025 | Active |
| Aberle Concrete Excavating & Grading Inc | A + C8 | 2006 | Renew by Nov 30, 2026 |
| Able Building Construction Inc | B | 2006 | Active |
| Able Construction Group Inc | A | 2012 | Renew by Dec 31, 2026 |
| Able Exterminators Inc | B + C15, C54 | 1969 | Active |
| Able Plumbing Sewer And Drain | A + C34, C36, C42 | 2020 | Active |
| Abstract Construction | B | 2017 | Active |
| Acanthus Cabinetry Inc | B | 2002 | Active |
| Accent Window Systems Inc | B | 2014 | Active |
| Add Construction | B | 2021 | Active |
| Ademo Construction Inc | B + C10 | 2008 | Active |
| Adu By Luxury Construction Inc | B | 2021 | Active |
| Adu California Inc | B | 2026 | Active |
| Advance Tech Construction Inc | B | 2002 | Active |
| Advanced Chemical Transport LLC | A + HAZ | 2025 | Active |
| Advanced Facility Operations Inc | B + C27 | 1992 | Active |
| Advanced Facility Solutions | B + ASB, C15, C33 +1 | 2012 | Active |
| Aecore Inc | B | 2018 | Active |
| Aeg Construction Inc | B + D28 | 2005 | Active |
| Affordable Facility Solutions Inc | B | 1995 | Active |
| Agnoletti Masonry Inc | B + C29 | 2000 | Active |
| Ahura Construction | B | 2018 | Active |
| Airseco Mechanical Inc | B + C20, D62 | 2000 | Active |
| Ajax Construction California | B | 2026 | Active |
| Alan Design Build | B | 2021 | Active |
| Alb Construction | B + C10, C20, C36 | 2025 | Active |
| Alcantar Steel Inc | B + C50, C53 | 1992 | Active |
| Alcatraz 408 Construction Inc | B | 2024 | Active |
| Alchemy Builders Inc | B | 2023 | Active |
| Alcon Renovations Inc | B + C8 | 2020 | Active |
| Aldy Builders All Professional Trades Inc | B | 2017 | Active |
| Aleph Underground Pipelines Inc | A + C34 | 2025 | Active |
| Alex Custom Builder Inc | B | 2025 | Active |
| Ali Building Inc | B | 2021 | Active |
| Ali's Construction & Remodeling Inc | B | 2008 | Active |
| Aligned Developers | B + C36 | 2017 | Active |
| All Bay Development Inc | B | 1996 | Active |
| All Clean Hazardous Waste Removal Inc | A + HAZ | 2014 | Active |
| All Phase General Construction Inc | B | 2010 | Active |
| All Pro Property Maintenance Inc | B + C33 | 2024 | Active |
| All Seasons Roofing & Waterproofing Inc | B + C39 | 1999 | Active |
| Alldon Construction Inc | B + C10, C20 | 2020 | Active |
| Allied Construction Builders Inc | B + C10, C20 | 2011 | Active |
| Allsite Corp Goods/Services Construction | A, B + C27, C53 | 2013 | Active |
| Almaden Kitchen | B | 2006 | Active |
| Almaden Stair And Rail Inc | B | 2006 | Active |
| Almaden Valley Backhoe Inc | A | 1993 | Active |
| Almaden Window & Door Construction Inc | B | 2025 | Active |
| Alpha Pro Build Inc | B, B2 + D12 | 2024 | Active |
| Als Gonzalez Construction Inc | B | 2025 | Active |
| Alta Construction & Engineering Inc | A, B + C17 | 2023 | Active |
| Alumawall Inc | B + C9, C15, C17 +2 | 2004 | Active |
| Alvarado Construction | B | 2026 | Active |
| Amco & Associates Construction Company Inc | B + C10 | 2010 | Active |
| Amd Construct LLC | B | 2020 | Active |
| Ameca Construction Corp | B | 2025 | Active |
| American Builder & Electrical Inc | A, B + C10, C20, C36 | 2021 | Active |
| American Drilling Inc | A, B + D09, D30 | 2003 | Active |
| American Innovative Building Maintenance Inc | B | 2026 | Active |
| Amex Construction | B + C27, C39 | 2011 | Active |