| Kcctech LLC | B | 2023 | Active |
| Kendall J S Construction Inc | B | 1986 | Active |
| Konstructo Inc | A, B + C16 | 2017 | Active |
| Kylor Construction Inc | B | 2022 | Active |
| Langdon - Gionet & Associates Inc | B | 2000 | Active |
| Leet Construction Corp | B + C8 | 2022 | Renew by Dec 31, 2026 |
| Lion Group Construction | B | 2019 | Active |
| LPC Construction Inc | B | 2014 | Renew by Nov 30, 2026 |
| LRL Builders Inc | B | 2021 | Active |
| Lyons W E Construction Co | A, B | 1959 | Active |
| M J Modern Stairways | B + C6 | 2015 | Active |
| M N G Construction Inc | B | 2024 | Active |
| M S K Design Build Inc | B | 2001 | Active |
| M T D Inc | B | 1995 | Active |
| M&R Home Builders | B | 2022 | Active |
| Masp Construction | B | 2023 | Active |
| Master Craftsman And Carpentry Inc | B | 2004 | Active |
| Maz Construction | B | 2026 | Active |
| MCH Construction Inc | B | 2025 | Active |
| Mercoza | A + C8, C12, C27 | 2013 | Active |
| Michael James Construction Inc | B | 1989 | Active |
| Miles Clyde Construction Co Inc | B | 1994 | Active |
| Minor Miracles Construction | B | 2025 | Active |
| Mka Constructors Inc | B | 1970 | Active |
| Mka International Inc | B | 2015 | Active |
| Morisey Group Inc The | B | 2012 | Active |
| Motif Home Design Inc | B | 2024 | Active |
| Mueller Construction Corp | B | 2022 | Renew by Nov 30, 2026 |
| N A B Construction Inc | B + D06 | 2020 | Active |
| Naked Construction Inc | B | 2011 | Active |
| NC Roofing Solution Inc | B + C39 | 2023 | Active |
| New Key Construction | B | 2019 | Active |
| Next Phase Construction Inc | A, B | 2015 | Active |
| Northgate Remodeling Company LLC | B2 | 2025 | Active |
| Northwest Builders & Renovation LLC | B | 2025 | Active |
| Novin Construction Inc | B + C9, C10, C36 | 2022 | Active |
| Oak Mountain Cabinets | B + C33 | 1993 | Active |
| Office Storage Systems Inc | B + C7 | 1991 | Active |
| Optivest Build Inc | B | 2025 | Active |
| Out Of Ordinary Development Construction Inc | B | 2020 | Active |
| P&G General Construction Inc | B | 2025 | Active |
| Pacific Contractors | B | 2021 | Active |
| Pacific Interwest Building Consultants Inc | B | 2006 | Active |
| Pacific West Group Inc | B + C10 | 2023 | Active |
| Point Of View Builders Inc | B + C10 | 1992 | Active |
| Popescu Construction | B | 2012 | Renew by Dec 31, 2026 |
| Precise Builders & Restoration | B + C2, C39 | 2023 | Active |
| Precision Finish Remodeling Inc | B | 2024 | Active |
| Prospect Engineering Inc | A | 2018 | Renew by Dec 31, 2026 |
| Providence Development Corporation | B | 1984 | Renew by Dec 31, 2026 |
| Q P S Inc General Contractors | B + C33 | 2016 | Active |
| R C Underground Inc | A | 2006 | Active |
| Real Build Group | B | 2024 | Active |
| Red Rooster Construction LLC | B | 2026 | Active |
| Remodeling Masters Inc | B | 2009 | Active |
| Renova Builders | B | 2016 | Active |
| Rivers Plumbing Heating And Air | B + C10, C16, C36 | 1981 | Active |
| Rodde Construction Inc | B | 1999 | Active |
| Rooted Retrofitting Inc | B | 2019 | Active |
| S A R Builders | B | 2019 | Active |
| S And L Remodeling And Design Inc | B | 2015 | Active |
| Safe And Sound Surveillance | B + C7, C10 | 2018 | Active |
| Sdmi Construction Inc | B | 2022 | Active |
| Si Construction & Remodeling | B | 2023 | Active |
| Skyline Capital Builders LLC | B | 2019 | Active |
| SLR International Corporation | A + HAZ | 2014 | Active |
| Smario Electric Inc | B + C10 | 1991 | Active |
| Smart Renovations Inc | B | 2004 | Active |
| Spotlight Roofing And Remodeling | B + C39 | 2024 | Active |
| Star Waterproofing And Roofing Inc | B + C33, C39 | 2018 | Active |
| Stephens Mechanical Corporation | A + D21 | 2000 | Active |
| Stephens Mechanical Of The Southwest LLC | A | 2022 | Active |
| Strand Builders | B | 1963 | Active |
| Sun Development & Construction Inc | B | 2007 | Active |
| Swift Restoration Inc | B | 2012 | Active |
| Tahalamo Design & Build Inc General Contractors | B | 2007 | Active |
| Telecom Steel LLC | A, B + C10 | 2025 | Active |
| Terra Nova Industries | B | 1984 | Active |
| Terra Nova Project Development Services Inc | B + C12 | 2023 | Active |
| Tioga Construction Inc | B | 1989 | Active |
| TKS Cold Storage MFG & Construction | B | 2012 | Active |
| Toupin Construction Corporation | B | 1991 | Active |
| Trigueros Development Group Inc | B | 2025 | Active |
| Turner / Devcon A Joint Venture | B | 2011 | Active |
| Ua Construction | B | 2026 | Active |
| Varsity Painting Inc | B + C33 | 2002 | Active |
| Venegas Company Inc | B + C6 | 2008 | Active |
| Vernous Inc | B + C10, C46 | 2018 | Active |
| Vip Construction Inc | B | 2023 | Active |
| Vista Bay Roofing Inc | B + C39 | 2025 | Active |
| Vitale Construction | B | 1996 | Active |
| Wci-Gc Inc | B | 1990 | Active |
| West Coast Building Solutions LLC | B | 2024 | Renew by Dec 31, 2026 |
| West Coast Waterproofers Inc | B + C8, C9, C29 +2 | 2019 | Active |
| Westapro LLC | B + C10 | 2023 | Active |
| Wirthman Property Group LLC | B | 2026 | Active |
| Younger Brothers Builders | B | 2003 | Active |
| Yv Elite Construction LLC | B + C21 | 2025 | Active |
| Zero Waste Energy @ Davis Street An Urbaser Project LLC | A | 2017 | Active |