| Prada Builders Group | B | 2024 | Active |
| Precision Remodels Inc | B | 2026 | Active |
| Prefabricated Installers | B + D34 | 2020 | Active |
| Premier Homes | B | 2017 | Active |
| Premier Interiors Inc | B | 2016 | Active |
| Presca Development Group | B | 2025 | Active |
| Prestige Builders | B | 2001 | Active |
| Prestige Inc | B | 2010 | Active |
| Prime Home Builders Inc | B + C10 | 2018 | Active |
| Prime Technique Construction Inc | B | 2018 | Active |
| Primework Construction Inc | B | 2023 | Active |
| Principle Roofing Inc | B + C39 | 2011 | Active |
| Priority Build Group LLC | B | 2023 | Renew by Dec 31, 2026 |
| Priority Roofing Solutions Inc | B + C39 | 1999 | Active |
| Pristine Building Companies Inc | B | 2022 | Active |
| Pro Ge Construction Corp | B + C15 | 2019 | Active |
| Pro General Contractor Inc | B | 2015 | Active |
| Pro Modern Builders Inc | B | 2020 | Renew by Dec 31, 2026 |
| Pro Structura Construction Inc | B | 2023 | Active |
| Prohaus Builders | B | 2018 | Active |
| Prompt Construction | B | 2026 | Active |
| Proper Hour Home Service Inc | B + C36 | 2025 | Active |
| Provenzano Rick Builders Inc | B | 1992 | Active |
| Pure Construction Inc | B | 2022 | Renew by Nov 30, 2026 |
| Pyma Construction | B | 2024 | Active |
| Q & L Construction | B | 2023 | Active |
| Q A Builders Inc | B | 2021 | Active |
| Q L M - Inc | A, B + C8, C12, C27 | 1989 | Active |
| Qa Construction Corporation | B + C10 | 2021 | Active |
| Qtek 1 Inc | A | 2023 | Active |
| Quality Epj Construction Inc | B | 2019 | Active |
| Quality Sunrooms | B | 2019 | Active |
| Qualtech Mechanical Inc | B + C20, C36 | 2016 | Renew by Dec 31, 2026 |
| Quartz Construction | B + C21, D28 | 2015 | Active |
| Quintal's Construction Inc | B | 2021 | Active |
| Quiroz Construction Inc | B | 2002 | Active |
| R & J Builders Inc | B + HAZ | 2014 | Renew by Dec 31, 2026 |
| R & R Development | B | 1991 | Active |
| R & R Painting Services Inc | B + C33 | 2021 | Active |
| R & S Erection Of Santa Clara County Inc | B + C28, C39, C51 +3 | 1980 | Active |
| R Brothers Waterproofing Inc | B + C33, D12 | 2004 | Active |
| R E Roofing And Construction Inc | B + C39 | 1996 | Active |
| R G S Enterprises Inc | B | 1995 | Active |
| R J Perez Construction Inc | B | 1992 | Renew by Nov 30, 2026 |
| R K Customtiling & Remodeling | B2 + C54 | 2004 | Active |
| R&B Master Construction Inc | B | 2026 | Active |
| R&R Backyard Remodeling Inc | B | 2022 | Active |
| R2d2 Construction Inc | B + C10 | 2016 | Active |
| Rabit Design Build | B | 2022 | Renew by Dec 31, 2026 |
| Rainbow Restoration Of San Jose | B | 2026 | Active |
| Rainbowtechs Inc | B | 2011 | Active |
| Raisempire Construction Inc | B | 2021 | Active |
| Rake Construction Inc | B | 2019 | Active |
| Ramses Construction Inc | B | 2018 | Active |
| Ranch Homes Construction Inc | B | 1980 | Renew by Nov 30, 2026 |
| Ray & Mangrum A Construction Corporation | B + C8 | 2012 | Active |
| Ray Rodriguez General Contractor Inc | B | 2026 | Active |
| Razz Construction Inc | B | 2011 | Active |
| RB Pro Elelctric | B + C10 | 2020 | Active |
| Rbi Redemption Builders Inc | B | 2019 | Active |
| Rci Property Restoration | B + C33 | 2003 | Active |
| RCK Build Inc | B + C10, C36 | 2025 | Active |
| RDL Construction Inc | B | 1987 | Active |
| Re - Creation Construction Inc | B | 2010 | Active |
| Real Estate Builders Inc | A, B + C27 | 2004 | Active |
| Real Time Construction Inc | B | 2016 | Renew by Nov 30, 2026 |
| Rebuilding Together Silicon Valley | B | 2014 | Active |
| Rechenmacher Sousa Construction, Inc. | B + C9 | 1997 | Active |
| Recon360 LLC | B + C33, C39 | 2010 | Renew by Dec 31, 2026 |
| Red Hawk Construction Inc | B | 2019 | Active |
| Redshed Studio LLC | B | 2025 | Active |
| Reliable Concepts Corporation | B + C27 | 1992 | Active |
| Reliant Construction Group | B | 2023 | Active |
| Remodel Masters | B | 2011 | Active |
| Remodel Nest Inc The | B | 2021 | Active |
| Renovate Right Construction Inc | B | 2025 | Active |
| Renovato Builders LLC | B | 2020 | Renew by Dec 31, 2026 |
| Residential Bath Inc | B + D12 | 2015 | Active |
| Residential Construction Services Inc | B | 1988 | Active |
| RHD Custom Builders Inc | B | 2024 | Active |
| Rhineland Xteria Construction Inc | B + C39 | 1989 | Active |
| RHV Builders Inc | B | 2024 | Renew by Dec 31, 2026 |
| Ridgeway Homebuilders Inc | B + C33 | 2006 | Active |
| Rieser Building Group Inc | A, B | 2018 | Active |
| Rise Construction Inc | B + C8 | 2017 | Active |
| Rise GC | B | 2018 | Active |
| Rivera's Home Remodeling | B | 2025 | Renew by Dec 7, 2026 |
| RK Construction & Consulting LLC | B | 2008 | Active |
| RM Construction And Design | B | 2023 | Active |
| RNB Construction | B | 2022 | Active |
| Robot Construction Inc | B | 2024 | Active |
| Rocha's Company Inc | B + C20 | 2003 | Active |
| Rodriguez Generation Construction Inc | B | 2023 | Active |
| Rogers Craig A Construction Inc | B | 2012 | Active |
| Rojas Builders Corp | B | 2021 | Active |
| Roof-Top Construction Inc | B + C39 | 2025 | Active |
| Rosendin Electric Inc | A, B + C7, C10 | 1954 | Active |
| Rosendin Electric Inc / Redwood Electric Inc Joint Venture | A + C7, C10 | 2012 | Active |
| Roy's Builders & Remodeling Inc | B | 2019 | Active |
| Roy's Woodcraft Flooring Inc | B + C15 | 1996 | Active |