| 126 Builders Inc | B | 2022 | Active |
| A C S Enterprises Inc | B | 2009 | Active |
| Aapex Construction Group Inc | B | 2024 | Active |
| Advanced Aluminum Awning Co | B | 1989 | Active |
| Alliance Industrial Refrigeration Services Inc | B | 2003 | Active |
| American Vector Inc | B | 2018 | Active |
| Aplicano Construction Inc | B | 2019 | Active |
| B A Construction Services | B | 2017 | Active |
| Best Fast Group Inc | B | 2026 | Active |
| Billary Development Inc | B | 1995 | Active |
| C S Legacy Construction Inc | A, B | 2003 | Active |
| California Construction And Restoration | B | 2015 | Active |
| Cherry Avenue Development Inc | B | 2009 | Active |
| Chu Jie Construction Inc | B | 2010 | Active |
| Cinda Construction Inc | A, B | 2007 | Active |
| Clarion Construction Inc | B | 1989 | Active |
| Cleon Construction Inc | B | 2026 | Active |
| Concord Development & Construction | B | 2014 | Renew by Nov 30, 2026 |
| D C Ample Inc | B | 2017 | Active |
| Delux Design & Construction Inc | A, B | 2015 | Active |
| Dohome Technologies Corporation | A, B | 2025 | Active |
| Dva Construction | B | 2025 | Active |
| Endura Construction Corp | B | 2022 | Active |
| Excellent G M E P Construction Inc | B | 2017 | Active |
| Exim Construction Inc | B | 2022 | Active |
| Expert HVAC Service Inc | B | 2024 | Active |
| Fairway Remodeling & Construction Inc | B | 2024 | Active |
| Fashion Maple Design And Construction Inc | B | 2017 | Active |
| Frausto Gabriel Underground Construction Inc | A | 2018 | Active |
| Freshco Painters Inc | B | 2013 | Active |
| FZ Great Construction Inc | B | 2022 | Active |
| GL Gme Construction Inc | B | 2025 | Active |
| GLC Group Construction | B | 2019 | Active |
| Gofg Construction Inc | B | 2019 | Active |
| Golden Sentry General Contractors Inc | B | 1993 | Active |
| Green Eagle Enterprise Corporation | B | 1981 | Active |
| Herui Construction | B | 2018 | Active |
| Hyrich Construction & Supply LLC | B | 2020 | Active |
| I Build Construction Corp | B | 2017 | Active |
| Ihome Construction Group Inc | B | 2022 | Active |
| J & S Engineering Contractors Inc | A | 2024 | Active |
| J A S A Designology Inc | B | 2022 | Active |
| J F Shea / Parsons A Joint Venture | A | 2017 | Active |
| J F Shea Construction Inc | A | 1999 | Active |
| Jade Enterprises LTD | B | 2009 | Active |
| JC - 97 Construction Inc | B | 2025 | Active |
| Kaizen Crossing Development Inc | B | 2023 | Active |
| King Young Investments Inc | B | 2019 | Active |
| Kna Construction Inc | B | 2018 | Active |
| L Brothers Investment Group Inc | B | 2018 | Active |
| L H J Construction Inc | B | 2017 | Active |
| L&Y Construction Inc | B | 2023 | Active |
| Lira Construction Group | B | 2024 | Active |
| Manpower Builders | B | 2024 | Active |
| Maximus Builders Inc | B | 2015 | Active |
| Meijia Decoration Inc | B | 2025 | Active |
| Mikassa | B | 2025 | Active |
| MJX Construction Inc | B | 2022 | Active |
| Mtec | B | 2006 | Active |
| Northaxis Construction Group Inc | B | 2026 | Active |
| Panda Renovation Inc | B | 2025 | Active |
| Peacecal Corporation | B | 2023 | Active |
| Power-Tech Enterprises Inc | A | 2004 | Active |
| R M A Design Build Group Inc | B | 2009 | Active |
| Ramirez & Yang Construction Inc | B | 2026 | Active |
| Rock Solid Construction Inc | B | 2025 | Active |
| Rocklike Construction Co Inc | B | 2012 | Active |
| Rodeo Construction And Management Inc | B | 2016 | Active |
| Roman Construction Inc | B | 2012 | Active |
| RRSW Construction Inc | B | 2018 | Renew by Oct 31, 2026 |
| S W Fixtures Inc | B | 2006 | Active |
| Safe Sun Construction Inc | B | 2024 | Active |
| SCMJ Construction Inc | B | 2018 | Active |
| SDM Remodeling Inc | B | 2025 | Active |
| Servpro Of Walnut | B | 2010 | Active |
| Shalc GC Inc | A, B | 2020 | Active |
| Shea - Traylor J V | A | 2000 | Renew by Nov 30, 2026 |
| Shea Homes Inc | A, B | 1993 | Active |
| Shea Properties Management Company Inc | A, B | 2003 | Active |
| Shea-Skanska JV | A | 2025 | Active |
| SHNC GC Inc | A, B | 2019 | Active |
| SHSC GC Inc | A, B | 2016 | Active |
| Sjd&B Inc | A, B | 2015 | Active |
| Skyland Builders Inc | B | 2019 | Active |
| Skyland Construction And Remodeling Co | B | 2019 | Active |
| Skyland Design And Build Co | B | 2024 | Active |
| SS & Son's Construction Inc | B | 2011 | Active |
| Sung Pacific Inc | B | 1988 | Active |
| Sunup Develop Corporation | B | 2010 | Active |
| T D General Company Inc | B | 2010 | Active |
| Top One L M Inc | B | 2018 | Active |
| Tundra Construction Design & Build | B | 2018 | Active |
| U S A Roofing Inc | B | 2009 | Active |
| U S Construction Enterprises Corp | A, B | 2017 | Active |
| United Industrial Contractors | B | 1993 | Active |
| United Riggers & Erectors Inc | A, B | 1966 | Active |
| Ustairs | B | 2020 | Active |
| Vogel Construction Company | B | 1962 | Active |
| VV Construction | B | 2021 | Active |
| Wbe Construction | B | 2023 | Active |