| Happily Ever After Design LLC | B + C9, C33 | 2021 | Active |
| Happy Construction Group Inc | B | 2007 | Active |
| Harts Designs Window Coverings | B + D52 | 2019 | Active |
| Haven Contractors Inc | B | 2021 | Active |
| Hawkins Construction North Cal Inc | B | 2016 | Active |
| HB Design & Construction | B | 2020 | Active |
| HC Design And Construction Inc | B | 2017 | Active |
| Hdez Bros Construction Inc | B | 2023 | Active |
| Heavenly Greens | B + D12 | 2008 | Active |
| Herbert Bros Construction Inc | B | 1980 | Active |
| Hernandez General Construction Inc | B | 2022 | Active |
| High City Construction LLC | B | 2024 | Active |
| High Level Builders | B + C27 | 2023 | Active |
| High Level Design Build | B | 2024 | Active |
| Highland Construction Management Inc | B | 2024 | Active |
| Highlight Solar Inc A California Corporation | B + C10, C46 | 2011 | Active |
| Hill 16 Construction Inc | B | 2012 | Active |
| Hillcrest Construction Inc | B | 2020 | Active |
| Hillhouse Construction Company Inc | B | 1990 | Active |
| Hinkle Construction Company Inc | B | 1995 | Active |
| Hive Builders LLC | B | 2026 | Active |
| HK General Construction Inc | B | 2013 | Active |
| HMR Construction Inc | B | 2017 | Active |
| Hoang Construction Corp | B | 2024 | Active |
| Hofcon | B | 1985 | Active |
| Holtfreter Jan C Construction LLC | B | 2023 | Active |
| Home Revive Inc | B | 2024 | Active |
| Home Smart Improvements | B | 2000 | Active |
| Home Sufficiency Inc | B + C10 | 2025 | Active |
| Home Works Construction Inc | B | 2010 | Active |
| Homeguard Incorporated | B + C36, C39 | 1996 | Renew by Nov 30, 2026 |
| Homeworx Maintenance & Repairs Inc | B | 2018 | Active |
| Homey Home Construction Inc | B | 2026 | Active |
| HP Installations | B + C10 | 2026 | Active |
| HP Remodeling Inc | B | 2026 | Active |
| HTB Construction | B | 2024 | Active |
| Hummel Custom Construction Inc | B | 2009 | Active |
| I D C Engineering | A + C10, C20, C36 +2 | 1998 | Active |
| I Q Construction Corp | B | 2021 | Active |
| I Q V Construction & Roofing | B + C33, C39 | 2011 | Active |
| I X L Builders Inc | B | 2026 | Active |
| Ian & Issac Company Inc | B | 2010 | Active |
| Ibuild Development Inc | B + C10 | 2023 | Active |
| Ico Construction | B | 2011 | Active |
| Icom Mechanical Inc | B + C20, C36 | 1981 | Active |
| Icon Home Builders Inc | B | 2023 | Active |
| Ideal Project Builders Inc | B | 2025 | Active |
| In Level Construction Inc | B | 2017 | Active |
| Inder Design Build LLC | A, B + C8 | 2017 | Active |
| Indigo Bay Design & Construction | B | 2019 | Active |
| Infante Builders Inc | B | 2016 | Active |
| Ingenuity Construction Group | B | 2016 | Active |
| Innovate Engineering | A | 2005 | Active |
| Innovation Developers Inc | B | 2025 | Active |
| Innovative Design Build | B | 2023 | Active |
| Integrity Living Solutions Inc | B2 | 2026 | Active |
| Intelibilt | B | 2024 | Active |
| Intelligent Choice Builders Inc | B | 2024 | Active |
| Interspace Builders Inc | B | 2018 | Active |
| Interstate Decisive Contractor-I D C | A, B + C10, C15, C17 +4 | 1982 | Active |
| Interstate Fence Co Inc | B + C13 | 1983 | Active |
| Iron Construction Inc | B | 2002 | Active |
| Irwin Wagner Construction Inc | B | 2021 | Active |
| Isais Bay Area Construction Inc | B | 2019 | Active |
| It Electric Pros | B + C10 | 2010 | Active |
| J & A Home Builders | B | 2021 | Active |
| J & P Home Builders Inc | B | 2022 | Active |
| J C Building America Inc | B + C10 | 2021 | Active |
| J C S Builders Inc | B | 2011 | Active |
| J J Construction & Remodeling Inc | B | 2021 | Active |
| J L - G E D General Construction | B | 2018 | Active |
| J M B Plumbing & Construction Inc | B + C36 | 1994 | Active |
| J M Developers Inc | B | 2016 | Active |
| J M Home Builders Inc | B | 2000 | Active |
| J P Paving & Grading Inc | A + C12 | 1997 | Active |
| J Q Concrete | A + C8 | 2024 | Active |
| J Repetto Construction Inc | B + C33 | 1999 | Active |
| J S C Construction And General Builders Inc | B | 1987 | Active |
| J S Miller Construction Inc | B | 2007 | Active |
| J V Cons Inc | B + C27 | 2026 | Active |
| J&L Construction Builders Inc | B | 2024 | Renew by Dec 31, 2026 |
| J.R. Pitchford Construction Inc | B | 2018 | Active |
| Jackson Layne Construction Inc | B | 2024 | Active |
| Jafec USA Inc | A | 2011 | Active |
| Jahn Builders | B + C10, C36 | 1996 | Active |
| Jalos Construction Inc | B + C8 | 2007 | Active |
| James CS Remodeling Inc | B2 | 2026 | Active |
| James Lyons Construction Services Inc | A, B | 2002 | Active |
| Jar 8 Construction Inc | B | 2018 | Active |
| Jay Aloha Construction | B | 2022 | Renew by Dec 31, 2026 |
| Jay's Builders And Remodeling Inc | B | 2022 | Renew by Dec 31, 2026 |
| JB Builder Inc | B | 2026 | Active |
| JC Remodeling Inc | B2 | 2026 | Active |
| JCL Construction Development Inc | B | 2026 | Active |
| JCM Global Re Venture LLC | B | 2025 | Active |
| Jco Remodeling | B2 | 2024 | Active |
| JDM Construction & Design Inc | B | 2020 | Active |
| Jed's Builders Inc | B | 2025 | Active |
| Jeremy Mao Inc | B | 2002 | Active |
| Jiacheng Home Improvements | B | 2021 | Active |