| Frankie & Keny Remodeling Inc | B2 | 2024 | Active |
| Garcia Septic + Construction Inc | B + C36, C42 | 2020 | Renew by Nov 30, 2026 |
| GBC Builders Group Inc | B | 2023 | Active |
| Genjazz Electrical Solutions | B + C10 | 2019 | Active |
| George Reed Inc | A, B + C12, C21, C32 | 1962 | Active |
| Golden State Construction & Framing Inc | B | 2006 | Active |
| Grand Builders General Construction Inc | B | 2020 | Active |
| Grover Custom Builders Inc | B | 1979 | Active |
| Grover Landscape Services Inc | B + C8, C12, C27 +2 | 1977 | Active |
| Grover Lester W General Contractor Inc | B | 1982 | Active |
| Guardado General Builders Inc | B | 2016 | Active |
| H & Q Builder Rite Inc | B | 2024 | Active |
| Habitat For Humanity Merced/Stanislaus Counties | B | 2026 | Active |
| Hancock D & M Inc | A, B + C51 | 1983 | Active |
| Hard Construction Inc | B | 2016 | Active |
| Haro S Construction | B | 2018 | Active |
| Hba Construction Inc | B | 2024 | Active |
| Heath Parks Build Inc | B | 2005 | Active |
| Hedgecock G Inc | A + C12 | 1986 | Active |
| Heritage Builders | B | 2014 | Active |
| Heritage Restoration Group LLC | B + C29 | 2024 | Active |
| HFJ Ez Construction Inc | B | 2026 | Active |
| Houston Manufacturing & Installation Inc | B | 2007 | Active |
| Howell Construction Inc | B | 1987 | Active |
| Howk Systems | A + C57, D21 | 1985 | Active |
| Hsi Contractor Inc | B | 2010 | Active |
| Huff Construction Company Inc | B | 1979 | Active |
| Huff Construction Energy Solutions | B | 2023 | Active |
| Hunts Construction Partnership | B | 2012 | Active |
| Hydro Pros | A + HAZ | 2022 | Active |
| I Q Building And Engineering Inc | A, B | 1992 | Active |
| Idiaz Masonry | B + C29, C54 | 2022 | Active |
| Industrial Piping Co | B + C36 | 1993 | Active |
| Integrity Construction And Remodeling LLC | B | 2022 | Active |
| J & M Phillips Electrical & Plumbing Inc | B + C10, C33, C36 | 2010 | Active |
| J & R Builders Inc | B | 2022 | Renew by Nov 30, 2026 |
| J D S Tile & Construction Inc | B + C54 | 2009 | Active |
| J V Construction Commercial & Residential Builder Inc | B | 2002 | Active |
| J&J Remodeling Inc | B2 | 2026 | Active |
| Jamison Custom Builders Inc | B + C5, C6 | 2005 | Active |
| JD Manos Construction Inc | B | 2023 | Active |
| Jenson Construction | B | 2015 | Active |
| Jentech Builders | B | 2023 | Active |
| JF Finish Carpentry Inc | B + C6 | 2020 | Active |
| Jimmy's Plumbing Inc | B2 + C36 | 2023 | Active |
| JJ Exterior Builder Design | B2 | 2025 | Active |
| K C & S Construction Specialties Inc | B + C28, D28, D34 | 2019 | Active |
| K D Supply | B | 2016 | Active |
| KC Construction Services Inc | B | 2026 | Active |
| Kelly Door Supply | B | 2005 | Active |
| King Of Trades Construction Inc | B | 2017 | Active |
| Kinzie Construction Inc | B | 1980 | Renew by Nov 30, 2026 |
| Kordazakis Construction Company | B | 1980 | Active |
| Kramer Ted Builders Inc | B | 1974 | Active |
| Krediet Construction Company Inc A California Coprporation | B | 1976 | Active |
| Lar Construction Inc | B | 2024 | Active |
| Larson Company Construction Supply Inc The | B + C5, C6 | 2002 | Renew by Nov 30, 2026 |
| LD Construction | B | 2021 | Active |
| Lepard Contracting Services Inc | B | 2011 | Active |
| Level Land Builders Inc | B | 2019 | Active |
| Linia LLC | B | 2025 | Active |
| Local Hero Home Services | B2 + C20, C36 | 2023 | Active |
| Long Lasting Builders Inc | A, B | 2022 | Active |
| M3 General Contracting Inc | B | 2025 | Active |
| Macson Construction Inc | B | 2025 | Active |
| Madison Construction Group | B | 1972 | Active |
| Madrigals Custom Works Construction Inc | B | 2024 | Active |
| Management Alternative The | B | 2002 | Active |
| Mardev Group Inc | B | 2013 | Active |
| Marshall Perry Construction Inc | B | 2021 | Active |
| MC Roy - Wilbur Communities Inc | B | 1994 | Active |
| Mendoza Pro Services LLC | B | 2026 | Active |
| Menghetti Construction Inc | A, B | 1994 | Active |
| Merit General Construction Inc | B | 2024 | Active |
| Mid Valley Power | A + C10, C46 | 2022 | Active |
| Mo - Built Inc | B | 2010 | Active |
| Modesto Kitchen And Bath Inc | B + C6 | 2015 | Active |
| Moreno Brothers Underground Utility Inc | A | 2017 | Active |
| Natural Stone | B + C54 | 2018 | Active |
| Northstar Construction & Restoration Services Corp | B + C33, C43 | 2019 | Active |
| Northstar Construction Group Inc | B | 2019 | Active |
| Nova Master Builders Group Limited Liability Company | B | 2025 | Active |
| Oliveira & Son Construction Inc | B | 1981 | Active |
| Olp Contruction Inc | B | 2022 | Renew by Nov 30, 2026 |
| One Roofing | B + C39 | 2021 | Active |
| Onkar Builders Inc | B | 2005 | Active |
| Oscorp Construction Inc | B | 2015 | Active |
| P L Construction | A, B + C10 | 2021 | Active |
| Pac Shield Sheet Metal LLC | B + C39, C43 | 2024 | Active |
| Panelized Structures Inc | B + C10 | 1992 | Active |
| Paradigm Construction Management Inc | B | 2013 | Active |
| Paramont Homes Inc | B | 1999 | Active |
| Perez Jose JP Construction | B | 2015 | Active |
| Precision Stairs Inc | B | 2012 | Active |
| Pro - SE Services Inc | A + C21 | 2002 | Renew by Oct 31, 2026 |
| Pro 1 Services Inc | B | 2012 | Active |
| Prozone Contractors Inc | B | 2023 | Active |
| Quality Construction Building Inc | B | 2022 | Active |
| R B G Construction Inc | A, B | 2017 | Active |
| R B M Remodeling Co | B | 2004 | Active |