| Country Estate Fence Company Inc | B + C13 | 1992 | Renew by Dec 31, 2026 |
| Couts Heating & Cooling Inc | B + C2, C4, C20 +3 | 1979 | Active |
| Cova Construction Services | B | 2016 | Active |
| Crown One Builders Incorporated | B | 2024 | Active |
| Cut Above Construction Inc A | B | 2010 | Active |
| CWC | B | 2024 | Active |
| D K Construction | B | 2013 | Active |
| D O Construction Inc | B2 | 2024 | Active |
| D R Horton America's Builder | B | 1999 | Active |
| D R Horton America's Builder | B | 1999 | Active |
| De La Torre Solutions Corp | B + C8, C27, D35 +1 | 2012 | Renew by Dec 31, 2026 |
| Delta Pacific Contractors | B + C15 | 2009 | Active |
| Diamond Construction & Remodeling Inc | B | 2018 | Active |
| Don Mack Construction Inc | B | 2026 | Active |
| Dream Living Renovations LLC | B | 2023 | Active |
| Dreamscape Design Group | A + C27, C53 | 2018 | Active |
| Driftwood General Engineering Contractor | A | 2018 | Active |
| Drill Sub Inc | A | 2009 | Active |
| Dry County Restoration LLC | B | 2021 | Active |
| DT Construction LLC | B2 | 2026 | Active |
| E & R Drywall Construction | B + C9 | 2020 | Active |
| E B S Concrete Inc | A + C8, C29 | 2000 | Renew by Nov 30, 2026 |
| E B S Utilities Adjusting Inc | A | 2009 | Active |
| E M S Restoration & Construction Inc | B | 2020 | Active |
| Ebs General Engineering Inc | A + C10 | 1996 | Active |
| Ecco Design Build | B | 1989 | Renew by Nov 30, 2026 |
| Eco State Development | B | 2021 | Active |
| Eg Builders LLC | B | 2024 | Active |
| El Maistro LLC | B | 2025 | Active |
| El Tri Construction | B + C10 | 2019 | Active |
| Elci Cabinets And Floors Inc | B + C6, C15, D12 | 2025 | Active |
| Empire Building Company | B | 2016 | Renew by Nov 30, 2026 |
| Empire Excavating LLC | A + HAZ | 2020 | Active |
| Enhanced Construction Inc | B | 2026 | Active |
| Eri Builders Group | B | 2026 | Active |
| Ertz Jeff Construction Inc | B | 2011 | Active |
| Eshawa Construction Inc | B | 2018 | Renew by Nov 30, 2026 |
| Evergreen Construction | B | 2010 | Active |
| F A B Skylights | B | 2008 | Active |
| F R S Environmental Inc | B + C10 | 2001 | Active |
| Faithco Electric | B + C10 | 1989 | Active |
| FCS Contractors Inc | B | 2024 | Active |
| Federal Technology Solutions Inc | B + C7, C10 | 2005 | Active |
| Ferdaws Builders Inc | B | 2016 | Renew by Dec 31, 2026 |
| Fire Sprinkler Systems Inc | B + C10, C16, C36 | 1994 | Active |
| Floor To Ceiling Installation Inc | B | 2012 | Active |
| Flores Construction Design Inc | B | 2016 | Active |
| Forefront Electric Solutions | B + C10, D06 | 2015 | Active |
| Foster R C Corporation | A, B + HAZ | 1989 | Active |
| Framing By Superior Inc | B | 2002 | Renew by Nov 30, 2026 |
| Frankie's Construction | B | 2012 | Active |
| Freedom Renovations | B | 2025 | Active |
| Full Traffic Maintenance Inc | A + C31, D42 | 2000 | Active |
| G & D Construction | B | 1993 | Active |
| G Buenos Construction Inc | B | 2018 | Active |
| Gama General Construction | B | 2025 | Active |
| Garzam Home Remodeling Inc | B2 | 2024 | Active |
| Gca Construction Services | A, B | 2022 | Active |
| Gco General Builders Inc | B | 2024 | Active |
| General Mastrix Construction Inc | A, B + C39 | 2008 | Active |
| General Structural Foundation Inc | B | 2021 | Active |
| Genuine Engineering Inc | A + C8, C31 | 2018 | Active |
| Golden State Builder Inc | B + C9, C33, D12 +1 | 2013 | Active |
| Goldeneye Construction Inc | B | 2021 | Active |
| Gpa Doors & Windows Inc | B + C17, D28 | 1989 | Active |
| Griffin John Construction Inc | A, B + C7, C10 | 1991 | Active |
| Guyco Construction Inc | B | 2000 | Active |
| H & J Builders | A, B + C8 | 1981 | Active |
| H D Z Landscape Co | B + C27 | 2018 | Active |
| H L Builders | B | 2026 | Active |
| Haitbrink Asphalt Paving Inc | A + C12 | 1987 | Active |
| Handek Inc | B | 2023 | Active |
| Handy Solutions Remodeling | B2 | 2025 | Active |
| Hani Custom Homes Inc | B | 2024 | Active |
| Hci | B + C6, C23 | 1984 | Active |
| Hci Environmental & Engineering Service | A + ASB, C21, HAZ | 2000 | Renew by Dec 31, 2026 |
| Henley's Plumbing & Air | A, B + C20, C36, C42 | 2000 | Active |
| Heritage Construction & Development Group Inc | B | 1993 | Active |
| Hi-Grade Plumbing | B + C36 | 2024 | Active |
| Hicks Exterior Accents | B | 2018 | Active |
| Hillcrest Contracting Inc | A + HAZ | 1985 | Active |
| Hoffman's Backhoe Service | A | 2010 | Active |
| Hopfel Ken Construction Inc | B | 2004 | Active |
| Howard P Construction Inc | B | 2007 | Active |
| HP Communications Inc | A + C7, C10, C31 +1 | 1998 | Active |
| I B Carpentry Inc | B + C6 | 2012 | Active |
| Iaw Construction Inc | B | 2009 | Active |
| Ibex Building & Development Inc | B | 2025 | Active |
| Igc General Construction LLC | B | 2022 | Active |
| Imac Construction Inc | A, B + C8, C50 | 1998 | Active |
| Infinite Building Solutions Inc | B + C20, C36 | 2026 | Active |
| Infinity Drywall Contracting Inc | B + C9, C35 | 2006 | Active |
| Infinity Remediations | B | 2017 | Active |
| Inland Coast Plumbing Inc | B + C36 | 2008 | Active |
| Inland Empire Leak Detection | B + C36 | 1997 | Active |
| Inland Engineering Services Inc | A | 2009 | Active |
| Inland Home Improvement | B, B2 | 2019 | Active |
| Innovate Adu LLC | B | 2026 | Active |
| Integrity General Engineering Contractors Inc | A | 2015 | Active |
| Integrity Restoration And Reconstruction Inc | B | 2013 | Active |