| Borromeo Construction Inc | CC-01 | 2026 | Active |
| Boyce Construction Inc | CC-01 | 1994 | Active |
| Boyer Logistics Inc | CC-01 | 2015 | Active |
| Brace Point Carpentry LLC | CC-01 | 2003 | Active |
| Brambila Sons Roofing | CC-01 | 2025 | Active |
| Branching Out Tree Care LLC | CC-01 | 2026 | Active |
| Branom Operating Company LLC | CC-01 | 2018 | Active |
| Braseth Construction Co Inc | CC-01 | 1984 | Active |
| Bravo & Stone Construction LLC | CC-01 | 2024 | Active |
| Breakline LLC | CC-01 | 2026 | Active |
| Brechtech Inc | CC-01 | 2018 | Active |
| Brennan Heating & A/C LLC | CC-01 | 2003 | Active |
| Brewer's Sewer Repair LLC | CC-01 | 2018 | Active |
| Bridges Way | CC-01 | 2026 | Active |
| Bright City Window Clning Inc | CC-01 | 2025 | Active |
| Bright Street Construction Inc | CC-01 | 2001 | Active |
| Brightland | CC-01 | 2025 | Active |
| Brightwork Builders LLC | CC-01 | 2010 | Active |
| Briko Contractors LLC | CC-01 | 2025 | Active |
| Brixton Builders Inc | CC-01 | 2002 | Active |
| Brongil Building Company LLC | CC-01 | 2012 | Active |
| Brown's Interiors Inc | CC-01 | 1995 | Active |
| Buck Tide Construction LLC | CC-01 | 2017 | Active |
| Budget TNK RMVL & Env SRV LLC | CC-01 | 2003 | Active |
| Build Sound LLC | CC-01 | 2008 | Active |
| Build-Up Construction | CC-01 | 2023 | Active |
| Builder Brothers LLC | CC-01 | 2017 | Active |
| Building & Outdoor Solutions | CC-01 | 2025 | Active |
| Building Momentum | CC-01 | 2011 | Active |
| Buildmark Const & MGMT LLC | CC-01 | 2025 | Active |
| Buildready LLC | CC-01 | 2025 | Active |
| Built In Georgetown LLC | CC-01 | 2018 | Active |
| Built Sound Construction | CC-01 | 2021 | Active |
| Built Square LLC | CC-01 | 2008 | Active |
| Builtwell Co LLC | CC-01 | 2017 | Active |
| Buker Bespoke LLC | CC-01 | 2015 | Active |
| Bulger Safe & Lock Inc | CC-01 | 1983 | Active |
| Bullock Builders, Inc | CC-01 | 2024 | Active |
| Bundy Design And Const LLC | CC-01 | 2018 | Active |
| Bungalow Building Corporation | CC-01 | 2018 | Active |
| Burdick's Security HDWR SVC In | CC-01 | 2017 | Active |
| Burl | CC-01 | 2026 | Active |
| Busse Construction LLC | CC-01 | 2015 | Active |
| BVD Construction LLC | CC-01 | 2014 | Active |
| By Faith Framing LLC | CC-01 | 2022 | Active |
| Byd Construction LLC | CC-01 | 2016 | Active |
| Byer Contracting LLC | CC-01 | 2015 | Active |
| C & K Remodeling Inc | CC-01 | 2022 | Active |
| C & S General Contracting LLC | CC-01 | 2005 | Active |
| C & S Painting | CC-01 | 2013 | Active |
| C A Adams LLC | CC-01 | 2012 | Active |
| C H Brown Co Inc | CC-01 | 2009 | Active |
| C H G Building Systems Inc | CC-01 | 1988 | Active |
| C M Hoskins Company | CC-01 | 1998 | Active |
| C R J Construction Co | CC-01 | 2004 | Active |
| C S Construction | CC-01 | 2010 | Active |
| C Square Construction LLC | CC-01 | 2021 | Active |
| C24 Contractors LLC | CC-01 | 2025 | Active |
| C4digs Inc | CC-01 | 2010 | Active |
| Cabinets Doors & Molding LLC | CC-01 | 2026 | Active |
| Cadenas Construction SVCS LLC | CC-01 | 2023 | Active |
| Cadence Builds LLC | CC-01 | 2011 | Active |
| Cadence Construction Inc | CC-01 | 2009 | Active |
| Cag Remodel LLC | CC-01 | 2024 | Renew by Nov 21, 2026 |
| Cai & Sons LLC | CC-01 | 2023 | Active |
| Callaghan Construction Inc | CC-01 | 2017 | Active |
| Cambium Inc | CC-01 | 1998 | Active |
| Camden Gardens Inc | CC-01 | 1995 | Active |
| Camgenuity LLC | CC-01 | 2009 | Active |
| Cana Construction LLC | CC-01 | 2025 | Active |
| Canright Construction LLC | CC-01 | 2013 | Active |
| Capitol Cleaning | CC-01 | 2011 | Active |
| Caplock Maintenance LLC | CC-01 | 2023 | Active |
| Caring Lndscpng & Mntnce LLC | CC-01 | 2022 | Renew by Nov 19, 2026 |
| Carlisle Classic Homes LLC | CC-01 | 2002 | Renew by Dec 17, 2026 |
| Carlson Audio Systems LLC | CC-01 | 2019 | Active |
| Carly Gray Design LLC | CC-01 | 2024 | Active |
| Carly Michael Stone Design LLC | CC-01 | 2018 | Active |
| Caro's General Cntrg SVS LLC | CC-01 | 2025 | Active |
| Carrillo's Painting LLC | CC-01 | 2020 | Active |
| Carroll Wakeman LLC | CC-01 | 2016 | Active |
| Cartwright Built LLC | CC-01 | 2026 | Active |
| Cascade Built LLC | CC-01 | 2010 | Active |
| Cascade Cloud Contractors LLC | CC-01 | 2026 | Active |
| Cascade Const & Maint Inc | CC-01 | 2026 | Active |
| Cascade Const Consulting SVS | CC-01 | 2024 | Active |
| Cascade Range Applnc RPR LLC | CC-01 | 2024 | Active |
| Cascade Standing Seam LLC | CC-01 | 2026 | Active |
| Cascadia Building Company LLC | CC-01 | 2006 | Active |
| Casiano Transport LLC | CC-01 | 2022 | Active |
| Caspers Built LLC | CC-01 | 2015 | Active |
| Castellano's Rmdlng & Cons LLC | CC-01 | 2026 | Active |
| Castello Design Build LLC | CC-01 | 2020 | Active |
| Castro Construction LLC | CC-01 | 2022 | Active |
| Castros Gutters LLC | CC-01 | 2026 | Active |
| Catch Construction LLC | CC-01 | 2020 | Active |
| Catchment Solutions LLC | CC-01 | 2018 | Active |
| Catio Spaces | CC-01 | 2013 | Active |
| Cato Construction LLC | CC-01 | 2018 | Active |
| CB Construction | CC-01 | 2015 | Active |