| Aaron Anthony Inc | B | 2000 | Active |
| Ae Construction & Remodeling Inc | B | 2025 | Active |
| Agape Systems Inc | B + C10 | 2003 | Active |
| All Phase Heating And Air Conditioning Inc | B + C20 | 2003 | Active |
| Alpine Iron | B + C51 | 2011 | Active |
| Alta Hill Construction | B | 2020 | Active |
| Andrew's Paving & Excavating Inc | A | 2017 | Active |
| Artisan Home Services Inc | B | 2019 | Active |
| Aspen Built Inc | B | 2017 | Active |
| B&M Commercial Builders LLC | B | 2025 | Active |
| Backcountry Builders Inc | B | 2008 | Active |
| Balance Point Home Performance Inc | B + C20 | 2007 | Active |
| Bansemer Homes, Inc | B | 1996 | Renew by Nov 30, 2026 |
| Ben Shepard Construction Inc | B + C8 | 1995 | Active |
| Bender Builders Inc | B | 1995 | Active |
| Bennett Steven Construction Inc | B | 2014 | Active |
| Betmar Construction | B + C46 | 2009 | Active |
| Boal Enterprises | B + C10 | 2023 | Active |
| Boxpower Inc | A + C10 | 2020 | Active |
| Buck Built | B | 2025 | Active |
| C G General Construction Inc | B | 2004 | Active |
| Calder Construction L L C | B | 2019 | Active |
| California Green Energy Construction | B + C10 | 2017 | Active |
| Cecil Construction Inc | B + C33 | 2002 | Active |
| Cohesive Building Inc | B | 2024 | Active |
| Condor Builders | B | 2023 | Active |
| Critical Path Reconstruction Inc | B + D24 | 1993 | Active |
| Crowley Builders Inc | B | 1981 | Active |
| CSF Construction LLC | A, B | 2001 | Active |
| Cubillo Construction - Eldercare Remodel Inc | B | 2011 | Active |
| D C Drywall & Construction | B + C9 | 2018 | Active |
| D M C E Concrete & Engineering Contractors | A, B + C8 | 1991 | Active |
| Dangler Built Construction Inc | B | 2004 | Active |
| De Sena Construction LLC | B | 2022 | Active |
| Deloza's Construction Corporation | B | 2024 | Active |
| Donner Contracting Company Inc | B | 2021 | Active |
| E & E Electrical Contracting Inc | B + C10 | 2018 | Active |
| Eckhardt Construction Incorporated | B | 2023 | Active |
| Elite Property Developers Inc | B | 2024 | Active |
| Empire Energy Construction | B | 2019 | Active |
| Freschi Construction Inc | A, B | 1987 | Active |
| G R N Enterprises Inc | B + C33, C36 | 2012 | Active |
| Geoship S P C | B | 2025 | Active |
| Grass Valley Home Company | B | 2014 | Active |
| Green Bee Construction | B | 2009 | Active |
| Greenhouse Builders Group LLC | B + C10 | 2004 | Active |
| Gurzi Builders Inc | B | 2008 | Active |
| Gustin Construction | B | 2024 | Active |
| Hansen Bros Enterprises | A + C12 | 1962 | Active |
| Hart Builders Inc | B | 1980 | Active |
| Healthy Home Artisans Inc | B | 2019 | Active |
| Hi-Caliber Construction | B | 2026 | Active |
| Home Hardening Solutions Inc | A, B + C39 | 2022 | Active |
| Homecraft Cabinet Company | B | 2026 | Active |
| Homestead Construction Services | B | 2025 | Active |
| Island Moon Construction Inc | B | 1987 | Active |
| Ivy Bruce Construction | B | 1977 | Active |
| J&C Engineering Inc | A | 2022 | Active |
| Jacobson Construction Inc | B | 2025 | Active |
| JMS Builders | B | 2013 | Active |
| JNL Engineering | A | 2026 | Active |
| Koch & Koch Inc | A, B + C10, C21, HAZ | 2001 | Active |
| KV Structures Construction Inc | A | 2019 | Active |
| Legacy Homes | B | 2001 | Active |
| Live Work Design Build | B + C10, C36 | 2016 | Active |
| Malik Construction Inc | A | 2005 | Active |
| Marsico Custom Homes Inc | B | 2004 | Active |
| MC Collum R E Construction Inc | A, B | 1980 | Active |
| Meadows Jim Construction Inc | B | 2016 | Active |
| Mec Builds LLC | B + C36, C39 | 2025 | Active |
| Mitch's Drywall Inc | B + C9 | 1990 | Active |
| Mountain Electrical Construction Inc | B + C10 | 2004 | Active |
| Mountain Lion Construction | B | 2025 | Active |
| Munoz Development Inc | B + C6, C33 | 1990 | Active |
| NC Builders | B | 2025 | Active |
| Nevada County Fence Inc | B + C13 | 1991 | Active |
| Pacific Crest Construction | A, B | 1996 | Active |
| Peters Drilling And Pump Service Inc | A + C57 | 1984 | Active |
| Piziali Construction Inc | B | 1990 | Active |
| Premier Floor Covering | B + C15 | 1995 | Active |
| Prestige Land Development And Clearing LLC | A | 2026 | Active |
| Quintana Brothers & Associates Limited Liability Company | B | 2021 | Active |
| R & R General Contracting LLC | B | 1988 | Active |
| Rca Properties LLC | B | 2009 | Active |
| Scott Mickelson Construction Inc | B | 2007 | Active |
| Seely James Inc | B | 1992 | Active |
| Sether Roofing & Construction Inc | B + C39 | 1988 | Active |
| Sharp J R Construction Inc | A + C10 | 2002 | Active |
| Sierra Foothills Construction Company | B | 1987 | Active |
| Sierra Nevada Radon LLC | B | 2026 | Active |
| Sierra Timberline Inc | B + D34 | 1988 | Active |
| Straight Up Construction Inc | B | 1994 | Active |
| Streamline Construction | B + C10 | 1997 | Active |
| Synergy Renovation Company LLC | B + C20 | 2026 | Active |
| T K K LLC | A | 2018 | Active |
| Tallpines Construction Inc | B + C6 | 2022 | Renew by Nov 30, 2026 |
| Three Rivers Renovations LLC | B2 | 2025 | Active |
| Treeline Construction Inc | A, B | 2005 | Active |
| Tremewan Property Improvement | A | 2011 | Active |
| Truline Builders Inc | B | 1978 | Active |