| Home Plus | B + C33 | 2013 | Active |
| Home Services Plus | B | 2024 | Active |
| Homecraft Construction Corp | B | 2024 | Renew by Dec 31, 2026 |
| Homestar Builders Inc | B | 2002 | Active |
| Hometown Builders And Remodeling Inc | B | 2026 | Active |
| Honor Construction Inc | B | 2024 | Active |
| Hooper Construction Inc | B | 2000 | Active |
| Hotel Makeover | B | 2019 | Active |
| House Fix Inc | B | 2024 | Active |
| Howe Bill Restoration & Flood Services Inc | B | 2012 | Active |
| Hoyer Sam Construction Inc | B | 2011 | Active |
| HRT Construction Inc | B | 2018 | Active |
| HS Glazeworks | B | 2024 | Active |
| Huge Home Pros | B2 | 2022 | Active |
| Hughes Management Corporation | B | 1994 | Active |
| Hullworks Construction Inc | B | 2024 | Active |
| Hultenius D M Corporation | B | 1980 | Active |
| Hunter A L Construction Company | B | 1999 | Active |
| Hunter Pacific Group | B | 2009 | Active |
| Huseth Construction Inc | B | 2015 | Active |
| Hutchens & Hutchens General Contractors Inc | B + C9 | 1975 | Active |
| Hy-Lang Electric California Inc | B + C7, C10 | 1985 | Active |
| Hyperion Construction And Maintenance Inc | B | 2009 | Active |
| Hyx Construction LLC | B | 2024 | Active |
| I M C O Construction | B + C60 | 1989 | Active |
| I O Environmental And Infrastructure Incorporated | A + ASB, C27, D34 +1 | 2011 | Active |
| Icon Building Supplies Inc | A, B | 2018 | Active |
| Ideal Plumbing Heating Air Electrical Inc | B + C10, C20, C36 | 1977 | Active |
| Igneous Construction Inc | B | 2021 | Active |
| III In I Construction Inc | B + C10, C20, C36 | 1996 | Active |
| Il Builders Inc | B | 2013 | Active |
| Imagine Tile & Stone Inc | B2 + C21, C54 | 2014 | Active |
| Impact Home Builders Inc | B + C27 | 2025 | Active |
| Imperial General Contractors Inc | B | 2011 | Active |
| In N Out Remodeling | B | 2020 | Renew by Nov 30, 2026 |
| Independent Restoration Professionals | B | 2010 | Active |
| Indepth Environmental Engineering | A | 2019 | Active |
| Indev Inc | B | 2012 | Renew by Dec 31, 2026 |
| Infinity Construction & Tile Inc | B + C54 | 1996 | Active |
| Infinity Design & Build Inc | B | 2016 | Renew by Dec 31, 2026 |
| Information & Energy Services Inc | B | 2005 | Active |
| Ing Construction Inc | B + C8, C29 | 2007 | Active |
| Innovative Concepts Construction LLC | B | 2019 | Active |
| Innovative Construction Services | B + C20 | 2007 | Active |
| Innovative Energy Services Inc | B | 2002 | Active |
| Insurance Restoration Specialists | B | 2019 | Active |
| Integrity Design & Remodel | B | 1999 | Active |
| Integrity Home Design & Remodling | B | 2014 | Renew by Dec 31, 2026 |
| Integrity Home Improvements Inc | B | 2003 | Active |
| Intelligent Audio Visual | B + ASB, C7 | 2008 | Active |
| Interior Logic Group | B + C15, C54, D12 | 1985 | Active |
| Intertidal Build Studio | B | 2025 | Active |
| Io Builders Group | B + C27 | 2026 | Active |
| Ironcore Construction LLC | B | 2020 | Active |
| Island Pacific Builders Inc | B | 2013 | Active |
| Ivet Engineering | A + HAZ | 2018 | Active |
| J & A Repairs & Remodeling LLC | B | 2025 | Active |
| J & J Elite Construction | B | 2022 | Renew by Nov 30, 2026 |
| J & J Facility Maintenance Inc | B | 2017 | Active |
| J & V Property Renovations Inc | B | 2012 | Active |
| J A Henseler Incorporated | B | 2021 | Active |
| J A K Builders | B | 1999 | Active |
| J C A Ventures A California Corp | B | 2007 | Active |
| J D Israel Construction | B | 2008 | Active |
| J F M Builders Inc | B | 2011 | Active |
| J F T Builders | B | 2026 | Active |
| J J Construction Inc | B | 1995 | Active |
| J J H Construction Inc | B | 2009 | Renew by Nov 30, 2026 |
| J J Hawes Inc | B | 2009 | Active |
| J L Building Group Inc | B | 2021 | Active |
| J M Construction Inc | B | 2023 | Active |
| J M Ideal Construction Inc | B | 2016 | Active |
| J M W Truss And Components | B | 2006 | Renew by Dec 31, 2026 |
| J P I Utility Services | B + C9 | 2019 | Active |
| J P L Construction Inc | B | 2004 | Active |
| J R Construction Inc | B + C8 | 1996 | Active |
| J R S Management & Construction Incorporated | B | 1963 | Active |
| J S R Construction Inc | B + C8 | 2023 | Active |
| J T E Building And Construction Inc | B | 2015 | Active |
| J V M Construction Inc | B + C10 | 2012 | Active |
| J W Floor Covering Inc | B + C15, C54, D34 +1 | 1992 | Active |
| J X L Studio | B | 2011 | Active |
| J-Tech Construction Inc | B | 2018 | Active |
| Jackson & Blanc | B + C4, C7, C20 +3 | 1960 | Active |
| Jackson Design And Remodeling Inc | B | 2006 | Active |
| Jaime Partners Of California Inc | B | 2018 | Active |
| Jakobsen Restoration | B + C36 | 2023 | Active |
| Janks Construction Inc | B | 2003 | Active |
| Jantz Construction Inc | B + C36 | 2006 | Active |
| Jantz Didier Construction Inc | B | 1991 | Active |
| Jasmin Quality Construction | B | 2021 | Active |
| JB Pacific Inc | B | 2015 | Active |
| Jcrm's Renovation Services Inc | B | 2022 | Active |
| JDC Build LLC | B | 2020 | Active |
| Jenco Building Group Inc | A, B + C8 | 2018 | Active |
| Jennette Company Inc | A, B | 2015 | Active |
| Jeremiah Duffy Builders | B | 2025 | Active |
| Jerry's Builders Inc | B | 2023 | Active |
| Jess Pipeline Incorporated | A + C34 | 2024 | Active |
| Jessen Building Group | B + C36 | 2022 | Active |