| 3 Generations Construction LLC | RGC | 2026 | Active |
| 7 Customs LLC | RGC | 2025 | Active |
| Aaron Hansen Paint & Remodel LLC | RGC | 2024 | Active |
| Aces HVAC LLC | RGC | 2018 | Active |
| Air Bourne Tree Service LLC | RGC | 2019 | Active |
| All American Heating And Cooling LLC | RGC | 2008 | Active |
| Allied DCS Inc | CGC1 | 2024 | Active |
| Arc Fabrication LLC | CGC2, RGC | 2017 | Active |
| Aww Construction LLC | CGC2, RGC | 2023 | Active |
| B D Ables Inc | RGC | 1990 | Active |
| B5 Construction LLC | RGC | 2022 | Active |
| Barton Laser Leveling Inc | CGC1, RGC | 1995 | Active |
| Big River Electric LLC | CGC1, RGC | 2000 | Active |
| Big Steves Property Management LLC | RGC | 2023 | Active |
| Bill Bloom General Contractor LLC | CGC2 | 1990 | Active |
| Black Bear Custom Homes LLC | RGC | 2013 | Active |
| Blake Brothers Construction LLC | RGC | 2005 | Active |
| Bolen Construction LLC | CGC2, RGC | 2021 | Active |
| C & C Construction Services Inc | RGC | 2004 | Active |
| C & C Roofing Pros Inc | CGC2, RGC | 2023 | Active |
| Carmonas Maintenance LLC | RGC | 2017 | Active |
| CFC Construction LLC A Limited Liability Company Of Arizona | RGC | 2020 | Renew by Dec 23, 2026 |
| CJB Hermiston Schools LLC | RGC | 2014 | Active |
| Columbia Basin Heating And Cooling LLC | RGC | 2016 | Active |
| Columbia Maintenance Service LLC | RGC | 2022 | Active |
| Concrete Northwest LLC | CGC1, RGC | 2016 | Active |
| Cornerstone Land Solutions LLC | RGC | 2026 | Active |
| Cyj Construction LLC | RGC | 2026 | Active |
| D & B Construction Co LLC | RGC | 2025 | Active |
| D Camarena Construction LLC | RGC | 2026 | Active |
| Demeter Construction LLC | RGC | 2018 | Active |
| Dr HVAC & Refrigeration LLC | RGC | 2019 | Active |
| Eastern Oregon General Contractor LLC | RGC | 2025 | Active |
| Eastern Oregon Heating & Air Conditioning LLC | RGC | 2016 | Active |
| Eastern Oregon Mechanical Inc | CGC1, RGC | 2005 | Active |
| Eclipse Heating And Cooling 2 LLC | RGC | 2015 | Active |
| Electrix LLC | CGC1 | 2023 | Active |
| Emerald Construction Services LLC | RGC | 2025 | Active |
| Ez Lawn Care LLC | RGC | 2020 | Active |
| Farm City Fence LLC | CGC2 | 2018 | Active |
| FJ Construction & Remodeling LLC | RGC | 2018 | Renew by Dec 16, 2026 |
| Foster Home Improvements LLC | RGC | 2015 | Active |
| Freedom Temp Fence LLC | CGC2, RGC | 2024 | Active |
| G1 Concrete LLC | RGC | 2029 | Active |
| GCM Welch Inc | CGC2 | 2002 | Active |
| Gils Construction LLC | RGC | 2022 | Active |
| Green Avenue Landscape & Remodeling LLC | RGC | 2025 | Active |
| GT Construction LLC | RGC | 2015 | Active |
| H5 Contracting LLC | CGC2, RGC | 2022 | Active |
| Haak Construction LLC | CGC2 | 2016 | Active |
| Heavy Metal Carports LLC | RGC | 2022 | Renew by Nov 1, 2026 |
| Hermiston Doug Construction LLC | RGC | 2019 | Active |
| Hermiston General Construction LLC | RGC | 2021 | Active |
| High Elevation Construction LLC | RGC | 2024 | Active |
| Hoffman Home Services LLC | RGC | 2020 | Active |
| Home Town Painting And Remodel LLC | RGC | 2019 | Renew by Oct 31, 2026 |
| Inland Plumbing Inc | RGC | 2007 | Active |
| Inland Pool & Spa Centre LLC | RGC | 2000 | Active |
| J Lugos Construction LLC | RGC | 2018 | Renew by Dec 12, 2026 |
| J Madrigal Concrete LLC | RGC | 2026 | Active |
| Jb5 Construction Services LLC | RGC | 2023 | Renew by Nov 5, 2026 |
| Jim Purswells Pump Company Inc | CGC2, RGC | 1986 | Active |
| JM Construction Services Corporation | RGC | 2012 | Active |
| Jnicodemus LLC | RGC | 2019 | Active |
| John Larkin Building Corp | RGC | 2009 | Active |
| Jr Stocker Construction LLC | RGC | 2026 | Active |
| JZD Construction LLC | CGC2, RGC | 2012 | Active |
| Kelsoe Enterprises LLC | RGC | 2012 | Active |
| Ken Mar LLC | CGC2, RGC | 2001 | Active |
| Knerr Construction Inc | CGC1, RGC | 1987 | Active |
| Kurb It LLC | RGC | 2023 | Active |
| L & S Excavation LLC | CGC2 | 2026 | Active |
| Littles Home & Building Repair LLC | RGC | 2013 | Active |
| Mannys Dairy Construction LLC | CGC2 | 2013 | Active |
| MG Elite Builders LLC | CGC2, RGC | 2026 | Active |
| Monarch Build Co LLC | RGC | 2026 | Active |
| Monarch Environmental Services LLC | RGC | 2026 | Active |
| Na Chavez Remodel LLC | RGC | 2020 | Active |
| NW Crane Service Inc | CGC1 | 2005 | Active |
| NW Metal Fabricators Inc | CGC1, RGC | 1990 | Active |
| O So Kleen Inc | RGC | 2011 | Active |
| Pihl Brothers LLC | CGC2 | 2024 | Active |
| PNW Works LLC | RGC | 2025 | Active |
| Prewitt Construction LLC | CGC1, RGC | 2025 | Active |
| Quality Heating & Cooling LLC | CGC1 | 2020 | Active |
| Randy Hunter Construction LLC | RGC | 2022 | Active |
| Residential Construction Specialists LLC | RGC | 2025 | Active |
| Rock Inc | CGC2, RGC | 2003 | Active |
| Rocking R Improvements LLC | RGC | 2025 | Active |
| Roldan Construction Services Inc | CGC2, RGC | 2019 | Active |
| Ross Brandt Electric Inc | CGC2, RGC | 1988 | Active |
| Rudys Remodel & Repair LLC | RGC | 2020 | Active |
| Shelco Electric Inc | CGC1, RGC | 1972 | Active |
| Sineco Construction LLC | CGC2 | 2014 | Renew by Dec 18, 2026 |
| Smith Security LLC | CGC2, RGC | 2016 | Active |
| Springhill General Construction LLC | CGC2, RGC | 2017 | Active |
| Stull Construction LLC | CGC2, RGC | 2010 | Active |
| Swaggart Brothers Inc | CGC1 | 2003 | Active |
| TCX LLC | RGC | 2025 | Active |
| Terra Electric LLC | CGC1, RGC | 2018 | Active |