| Kjax Inc | B | 2024 | Active |
| Kodiak Roofing & Waterproofing LLC | B + C39 | 2025 | Active |
| Kodiak Roofing And Waterproofing LLC | B + C39 | 1997 | Active |
| Kodiak Union Roofing Services LLC | B + C39 | 2008 | Active |
| Kulber Builders Inc | B | 2019 | Active |
| La Bare's Backhoe Service | A | 2004 | Active |
| Landrum Construction | B2 | 2026 | Active |
| Landscape & Tree Company | B + C27, C39, C46 +3 | 2015 | Active |
| LB Construction Inc | B + C8, C9, C51 | 1998 | Active |
| Legacy Construction | B | 2024 | Active |
| Legacybuild Construction Inc | B | 2025 | Active |
| Leisure Life Walk In Tubs And Showers | B | 2011 | Active |
| Leonoel Construction Inc | B | 2021 | Active |
| Lewis Tim Communities | B | 1986 | Active |
| Leyva's D&A Construction Inc | B | 2021 | Active |
| Life Time Exteriors Inc | B + C17, D41 | 2006 | Active |
| Lifetime Construction Group | B | 2023 | Active |
| Litz's Construction Inc | B | 2025 | Active |
| Lutsik Construction And Design | B | 2021 | Active |
| M 2 M Construction Inc | B + C33 | 2013 | Active |
| Manufacturers Lighting Solutions Inc | B + C10 | 2011 | Active |
| Marques General Engineering Inc A California Corporation | A | 2000 | Active |
| Meliora Construction Inc | B | 2023 | Active |
| MJS Remodeling | B + C54 | 2024 | Active |
| MKS General Contracting Inc | B | 2026 | Active |
| Modern Construction Group Inc | B | 2022 | Active |
| Monolit Builders Inc | B + C15, C36, C54 | 2009 | Active |
| Morrill Paul Excavating Inc | A | 1989 | Active |
| Mos Builders Inc | B | 2023 | Active |
| Mosaic Construction And Specialties | B + C17, D28 | 2024 | Active |
| Mourier John Construction Inc | B | 1991 | Active |
| My Home Performance | B | 2023 | Active |
| Neighborly Pest Management Inc | B | 1984 | Active |
| Nesters Homes Inc | B | 2016 | Active |
| New Home Design Inc | B | 1991 | Active |
| New Look Renovations | B | 2023 | Active |
| Next Crafted Inc | B | 2017 | Active |
| Nizuk Electrical Contracting Corp | A + C10 | 2016 | Active |
| Noor Construction Inc | B | 2020 | Active |
| Nor - Cal Pipeline Services | A | 2009 | Active |
| Norcal Pigeon Control | B2 | 2026 | Active |
| Norcal Utility Pros LLC | A | 2024 | Active |
| North Star Odin Joint Venture | A + HAZ | 2026 | Active |
| North Valley Capital | B + C10, C20, C39 | 2022 | Active |
| Northwest Finish Carpentry Inc | B | 2013 | Active |
| Nova LH Construction Inc | B | 2025 | Active |
| Nsod JV | A + HAZ | 2022 | Active |
| Odin | A + HAZ | 2022 | Active |
| Odin - Raito JV | A + HAZ | 2024 | Active |
| Omega Landscaping & Construction Inc | B + C27 | 2015 | Active |
| Omni Structures & Management Inc | B | 2004 | Active |
| One Source Mobility Inc | B + D21 | 2017 | Active |
| Optima Co Of California Inc | B | 2023 | Active |
| Osella Construction LLC | B | 1982 | Active |
| Pacific River Construction Inc | A + C10 | 2024 | Active |
| Parkcon LLC | B | 2022 | Active |
| Parsons Walls | A + C29 | 1999 | Active |
| Pasquetti J D Engineering LLC | A | 2020 | Active |
| Patio Perfections Inc | B | 2007 | Active |
| Patterson Properties Inc | B | 1998 | Renew by Dec 31, 2026 |
| Paulov Construction | B + D03 | 2023 | Active |
| Pei Builder | A, B + D49 | 2020 | Active |
| Penuel Construction Inc | B | 2023 | Active |
| Perfect Remodeling Solutions | B + D28 | 2011 | Active |
| Pesmavi Construction Inc | B | 2010 | Active |
| Phase One Construction Inc | A, B + C10 | 2012 | Active |
| Pj&W Cabinet And Home Repair Inc | B | 2025 | Active |
| Polyzos George B Construction Inc | B | 1987 | Active |
| Power Pros Solutions Inc | B + C10 | 2024 | Active |
| Power Systems Professionals Inc | A + C10 | 2004 | Active |
| Powercore Builders Inc | B | 2025 | Active |
| Precision Site Development LLC | B | 2021 | Active |
| Premier Construction | B + C15, C33 | 2020 | Active |
| Premier Pro Home Remodeling Inc | B | 2026 | Active |
| Premier United Communities LP | B | 2016 | Active |
| Prime Forge Electric | B + C10 | 2025 | Active |
| Prime Home Solutions Inc | B + C20 | 2021 | Active |
| Prime North Construction LLC | B + C53 | 2026 | Active |
| Problem Solved Inc | B | 2021 | Active |
| Production Framing Inc | B | 2008 | Active |
| Project Go Incorporated | B + C2, D65 | 1991 | Active |
| Puroclean Of Rocklin | B2 | 2025 | Active |
| Pyramid Design And Build LLC | B | 2026 | Active |
| Python Construction Inc | B | 2026 | Active |
| R A L Builders | B + D03 | 1993 | Active |
| R C Pacific Construction Inc | B | 1996 | Active |
| Radmix Build Company | B | 2025 | Active |
| Railway Flagging Services Inc | A | 2016 | Active |
| Railway Signal Construction Inc | A | 2008 | Active |
| Re Co | B | 2022 | Renew by Dec 31, 2026 |
| Real Estate Maintenance Services | B | 2000 | Renew by Nov 30, 2026 |
| Reco Enterprises Inc | B | 2025 | Active |
| Reeve-Knight Construction Inc | A, B | 1992 | Renew by Nov 30, 2026 |
| Reform Builders | B | 2022 | Renew by Dec 31, 2026 |
| Reliable Construction Solutions | B | 2025 | Active |
| Reliable Exteriors | B | 2023 | Active |
| Remodel One | B | 2015 | Active |
| Renaissance Builders Group Inc | B | 2026 | Active |
| Renovation Solutions | B | 2024 | Active |
| Revitalize Construction | B | 2022 | Renew by Dec 31, 2026 |