| 951 Mobile Home | B | 2017 | Active |
| A 2 Z Home Builders Inc | B | 2022 | Active |
| A F C O Electric Inc | B | 1979 | Active |
| A S Legacy Construction Inc | B | 2026 | Active |
| A V C A Construction Corp | B | 2018 | Active |
| A&A Restoration & Remodel | B | 2018 | Active |
| Ace Global Construction Corp | B | 2020 | Active |
| Ajg Builders Inc | B | 2025 | Active |
| Alabbasi | A, B | 2006 | Active |
| Aldana & Sons Construction Inc | B | 2011 | Renew by Nov 30, 2026 |
| All Pro Asphalt | A | 2016 | Active |
| All Surface Pros Inc | B | 2016 | Active |
| Alliance Home Construction Inc | B | 2023 | Active |
| Amaro Construction Inc | B | 2026 | Active |
| American Contracting & Painting | B | 2009 | Active |
| American Renovation Inc | B | 2016 | Active |
| Apex Recreational Construction Inc | B | 2026 | Active |
| Artistic Exteriors Inc | B | 2006 | Active |
| Aso Pipeline Inc | A | 2026 | Active |
| Big League Concrete Services | B | 2024 | Active |
| Biz-E-Bee Plumbing & Rooter Inc | B | 2026 | Active |
| Blue Mountain Construction Inc | B | 2003 | Active |
| Bravo Bros Group | B | 2024 | Active |
| Buchbinder Maintenance Inc | B | 2008 | Active |
| Build Horizons Inc | B | 2025 | Active |
| C & D Builders And Developers Inc | B | 2014 | Active |
| Cali Life Remodeling Inc | B2 | 2024 | Active |
| Cali Luxury Builders Inc | B | 2024 | Active |
| Caly Home Improvement | B | 2018 | Active |
| Carpenter Jeff Inc | A | 1990 | Active |
| Cervantes Development Inc | B | 2007 | Active |
| Chavez Family Construction Inc | B | 2015 | Active |
| CJ Deboer Engineering & Septic Inc | A | 2009 | Active |
| Clearwater Pipeline Inc | A | 1987 | Active |
| Coreslab Structures ( L.A.) Inc | B | 1995 | Active |
| CPR General Contractor Inc | B | 2024 | Active |
| Crownpointe Building Services LLC | B | 2025 | Active |
| D J D Group Inc | B | 2001 | Active |
| D S C Construction Inc | B | 2013 | Active |
| D' Ybanag Construction Company | A, B | 2008 | Active |
| Davis Maddox Construction | B | 2020 | Active |
| Davis Plumbing & Heating Inc | A | 1978 | Active |
| Delgados Concrete Services LLC | B | 2015 | Active |
| Double R Lath / Plaster Construction Corp | B | 2014 | Renew by Nov 30, 2026 |
| Dru-Cor Excavation And Pipeline Construction Services Inc | A | 2026 | Active |
| E & W Fidelis Construction Inc | B | 2018 | Active |
| Edificar S L R Construction Corp | B | 2025 | Active |
| Elevate Underground Engineering | A | 2025 | Active |
| Encas Construction Corp | B | 2023 | Active |
| Esmeralda Construction Inc | B | 2017 | Active |
| Evc General Construction Inc | B | 2026 | Active |
| Eve Construction Inc | B | 2016 | Active |
| Fielding Jack Design Engineering & Building Inc | A, B | 2020 | Active |
| Flores & Sons Construction Inc | B | 2007 | Active |
| GC Quality Services Inc | B | 2025 | Active |
| Gonzalez Base Construction Inc | B | 1997 | Active |
| Good Hope General Inc | B | 2026 | Active |
| Greenbee | B | 2008 | Active |
| Greer Concrete | B | 2007 | Active |
| Heavy Hitters Ca Inc | A | 2010 | Active |
| Herca Construction Services | A, B | 2006 | Active |
| His Touch Construction Inc | B | 2012 | Active |
| HJ & R Construction Inc | B | 2026 | Active |
| Ideal Electric Inc | B | 2007 | Active |
| Infinity Structures Inc | B | 1991 | Active |
| Innovative Home Improvements Inc | B | 2023 | Active |
| Innovative Master Plumbing & Contracting Inc | B | 2016 | Active |
| Intex Interior Design Inc | B | 2024 | Active |
| J R Pipeline Co Inc | A | 1983 | Active |
| J&N Construction Innovation Corp | B | 2024 | Active |
| Jarco Roofing Solar Construction | B | 2001 | Active |
| JC Cal Construction Inc | B | 2014 | Active |
| JLM Grading & Paving | A | 2017 | Active |
| JM General Builders Inc | B | 2026 | Active |
| JM General Contractor Inc | B | 2024 | Active |
| JRS General Contracting Services | B | 2024 | Active |
| K And F Builders Inc | B | 2007 | Active |
| Legendary Construction Renovation | B | 2026 | Active |
| LM Residential Rehab Services | B2 | 2025 | Active |
| Logo's Sanitation Systems | A | 2018 | Active |
| Lujo Construction Inc | B | 2013 | Active |
| M & A Const Service | B | 2023 | Active |
| M P A C Mechanical Inc | B | 2017 | Active |
| Marin Concrete Construction Inc | A | 2006 | Active |
| Martblanc Corporation | B | 2024 | Active |
| Mge General Concepts & Construction | B | 2026 | Active |
| Moore Fence & Installation Company Inc | A, B | 2008 | Active |
| Morland Air Construction Inc | B | 2018 | Active |
| Mr G Contractor Inc | B | 2019 | Active |
| MRC Construction & Remodeling Inc | B | 2025 | Active |
| MRC Construction Inc | B | 2021 | Active |
| MS General Contractor LLC | B | 2026 | Active |
| MTZ Renovations | B | 2026 | Active |
| Myb Basilio General Engineer | A | 2025 | Active |
| N S Paving | A | 2016 | Active |
| Nelson Paving Services Inc | A, B | 2013 | Active |
| NPG Inc | A, B | 1993 | Active |
| Omega West Construction Inc | B | 2022 | Active |
| Paradise Construction & Contract Management Inc | B | 2005 | Active |
| Petroleum Tank Testing | A | 2022 | Active |