| 2 Pines LLC | CC-01 | 2018 | Active |
| 2nl LLC | CC-01 | 2015 | Renew by Nov 25, 2026 |
| 3 W Construction LLC | CC-01 | 2008 | Active |
| 3rd Gen Construction Inc | CC-01 | 2011 | Active |
| 509 Fencing & Land Serv LLC | CC-01 | 2019 | Active |
| A Handy Guy | CC-01 | 2024 | Active |
| A+ Salazar Masonry LLC | CC-01 | 2017 | Active |
| A1 Painting & Coatings LLC | CC-01 | 2018 | Active |
| Aaron Munson Woodwork&Dsgn LLC | CC-01 | 2018 | Active |
| Abis | CC-01 | 2020 | Active |
| Accent Concrete | CC-01 | 2019 | Active |
| Aim-High Contracting | CC-01 | 2015 | Active |
| Alcord Group General Const LLC | CC-01 | 2022 | Active |
| All Around Underground Inc | CC-01 | 1993 | Active |
| All Seasons Contracting Inc | CC-01 | 2000 | Active |
| American Drilling | CC-01 | 2019 | Active |
| Apex Woodworking And Cncrt LLC | CC-01 | 2024 | Active |
| Arbor Care LWN & PST Cntrl Inc | CC-01 | 2019 | Active |
| Arden+sienna | CC-01 | 2021 | Active |
| Armstrongs Stove And Spa | CC-01 | 2021 | Active |
| At Your Service Handyman LLC | CC-01 | 2018 | Active |
| Badger Dirtworks & Const LLC | CC-01 | 2016 | Active |
| Basalt Site Services | CC-01 | 2024 | Active |
| Belsaas & Smith Const Inc | CC-01 | 1997 | Active |
| Benchmark Custom Homes LLC | CC-01 | 2021 | Active |
| BG Concrete LLC | CC-01 | 2019 | Active |
| BlueArc Systems Inc | CC-01 | 2020 | Active |
| Bogy's Construction LLC | CC-01 | 2010 | Active |
| Boulder Creek Masonry LLC | CC-01 | 2020 | Active |
| Brown & Jackson Inc | CC-01 | 2023 | Active |
| Brynlyn Construction LLC | CC-01 | 2019 | Active |
| Carlson Const Management LLC | CC-01 | 2013 | Active |
| Cascade Blue Pools LLC | CC-01 | 2026 | Active |
| CBP Wa LLC | CC-01 | 2020 | Active |
| CDM Remodeling LLC | CC-01 | 2026 | Active |
| Cementek LLC | CC-01 | 2021 | Active |
| Centerpoint Industries | CC-01 | 2026 | Active |
| Central Nursery Inc | CC-01 | 1996 | Active |
| Central Paving LLC | CC-01 | 2015 | Active |
| Central Wa Fire Protection LLC | CC-01 | 2021 | Active |
| Central Wa Lndlrd Sltions LLC | CC-01 | 2023 | Active |
| Central Wa Prop Rest0r LLC | CC-01 | 2010 | Renew by Nov 12, 2026 |
| Central Wash Tree Services LLC | CC-01 | 2021 | Active |
| Central Washington Septic LLC | CC-01 | 2025 | Active |
| Clean Image Services Inc | CC-01 | 2011 | Active |
| Coles Construction PNW LLC | CC-01 | 2026 | Active |
| Collins Fine Homebuilding LLC | CC-01 | 2015 | Active |
| Columbia Basin Water Works Inc | CC-01 | 2026 | Active |
| Comfort Technologies LLC | CC-01 | 2022 | Active |
| Concrete Ingenuity Inc | CC-01 | 2006 | Active |
| Connor's Construction LLC | CC-01 | 2019 | Active |
| Cornerstone Gen Cont LLC | CC-01 | 2015 | Active |
| CP Elite Construction LLC | CC-01 | 2024 | Renew by Dec 9, 2026 |
| Crazy J's Construction | CC-01 | 2023 | Active |
| Crytyl Ent Inc | CC-01 | 2003 | Active |
| D Marie Interiors | CC-01 | 2019 | Active |
| D&C Builds LLLP | CC-01 | 2026 | Active |
| Dave Simmons Construction LLC | CC-01 | 2007 | Active |
| Davenport Carpentry LLC | CC-01 | 1999 | Active |
| Dove Detail LLC | CC-01 | 2023 | Active |
| E C Transformations LLC | CC-01 | 2022 | Active |
| Eastern Washington Grndwks LLC | CC-01 | 2021 | Active |
| Eco Dig LLC | CC-01 | 2008 | Renew by Nov 24, 2026 |
| Ees Tree Service LLC | CC-01 | 2024 | Active |
| El Building & Trim LLC | CC-01 | 2018 | Active |
| Elbo Backhoe & Hauling Inc | CC-01 | 2009 | Renew by Nov 26, 2026 |
| Elevation Contracting Inc | CC-01 | 2009 | Active |
| Elg Pole Buildings LLC | CC-01 | 2016 | Active |
| Ellensburg Backflow LLC | CC-01 | 2024 | Active |
| Ellensburg Cement Prod Inc | CC-01 | 1975 | Active |
| Ellensburg Fence Co | CC-01 | 2016 | Active |
| Ellensburg Handy Solutions LLC | CC-01 | 2024 | Active |
| Ellensburg Home Rpr/Hndymn LLC | CC-01 | 2025 | Active |
| Ellensburg Solar LLC | CC-01 | 2011 | Active |
| Eric's Concrete Const LLC | CC-01 | 2023 | Active |
| Evergreen State Construction | CC-01 | 2015 | Active |
| Excel Plumbing Inc | CC-01 | 2007 | Active |
| Farrington Construction LLC | CC-01 | 2025 | Active |
| Fine Finish Specialties LLC | CC-01 | 2017 | Active |
| Foothills Fence Company LLC | CC-01 | 2026 | Active |
| Ford Hauling LLC | CC-01 | 2025 | Active |
| Frontline Tree & Land | CC-01 | 2026 | Active |
| Frye Painting Inc | CC-01 | 2020 | Renew by Dec 4, 2026 |
| Full Scale Forestry Inc | CC-01 | 2024 | Active |
| Get Er Done Hndyman &Srvcs LLC | CC-01 | 2022 | Active |
| Gibson & Son Road Building Inc | CC-01 | 2003 | Active |
| GNS Construction LLC | CC-01 | 2023 | Active |
| Goheen Works Contracting LLC | CC-01 | 2017 | Active |
| Gray Sun Remodeling | CC-01 | 2022 | Active |
| Griffin Creek Construction | CC-01 | 2023 | Active |
| H E Excavating LLC | CC-01 | 2024 | Active |
| H&H Construction Solutions LLC | CC-01 | 2020 | Active |
| Handymat Home Repair LLC | CC-01 | 2023 | Active |
| Hanks Afdbl Sol Rclg/Hdywk LLC | CC-01 | 2022 | Active |
| Helmerson Construction Inc | CC-01 | 2014 | Active |
| Heritage General Cnstrn LLC | CC-01 | 2022 | Active |
| Heritage Tree Care LLC | CC-01 | 2025 | Active |
| Hi Line Construction LLC | CC-01 | 2026 | Active |
| High Country Construction Inc | CC-01 | 2016 | Renew by Dec 3, 2026 |
| High Valley Carpentry LLC | CC-01 | 2019 | Active |