| Hawkins Electric LLC | RGC + CSC1 | 2010 | Active |
| HC Bar Excavation LLC | RGC + CSC1 | 2022 | Active |
| HD Construction & Excavation LLC | RGC + CSC1 | 2021 | Active |
| Headwater Renovations & Woodworking LLC | RGC | 2026 | Active |
| Heart Fence Inc | RGC | 2018 | Active |
| Heart Of Oregon Corps Inc | RGC | 2009 | Active |
| Heartwood Homes LLC | RGC | 2013 | Active |
| Heirloom Wood Floors LLC | RGC | 2018 | Active |
| Heritage Hew LLC | CGC1, RGC | 2025 | Active |
| Heritage Homes NW LLC | RGC | 2013 | Active |
| Herriman LLC | RGC | 2021 | Active |
| Hess Ventures LLC | RGC | 2020 | Active |
| HHC LLC | RGC | 2022 | Active |
| High Alpine Adventures LLC | RGC | 2025 | Active |
| High Caliber Investment Properties LLC | RGC | 2018 | Active |
| High Country Paint LLC | RGC | 2025 | Active |
| High Desert Construction Inc | RGC | 2003 | Active |
| High Desert Custom Construction LLC | RGC | 2017 | Active |
| High Desert Earth Works Construction Inc | RGC | 2023 | Active |
| High Desert Environmental Testing LLC | RGC | 2026 | Active |
| High Desert Flooring Inc | RGC | 2006 | Active |
| High Desert Hardwood Flooring LLC | RGC | 2016 | Active |
| High Desert Property Services LLC | RGC | 2019 | Active |
| High Desert Tradesman LLC | RGC | 2025 | Active |
| High Desert Utilities LLC | RGC | 2010 | Renew by Dec 17, 2026 |
| High Desert Workshop LLC | RGC | 2024 | Active |
| High End Construction LLC | RGC | 2021 | Active |
| High Lakes Electric LLC | RGC | 2018 | Active |
| High Pine Construction LLC | RGC | 2025 | Active |
| High Standard Construction LLC | RGC | 2021 | Active |
| High Timber Construction LLC | CGC2, RGC | 2006 | Active |
| Highland Precision LLC | RGC | 2026 | Active |
| Hills Creek Construction LLC | RGC | 2025 | Active |
| Hillside Fair Shares LLC | CGC2, RGC | 2023 | Active |
| Hinterland Carpentry LLC | RGC | 2025 | Active |
| Hive Development LLC | RGC | 2021 | Active |
| Holdfast Building And Design LLC | RGC | 2023 | Active |
| Hollis Home Services LLC | RGC | 2026 | Active |
| Hollygrape Incorporated | RGC | 2023 | Active |
| Home Basics Remodeling LLC | RGC | 1998 | Active |
| Home Heating & Cooling Inc | RGC + LBPR | 2023 | Active |
| Home Solutions Specialist LLC | RGC | 2026 | Active |
| Home System Solutions LLC | RGC | 2006 | Active |
| Homeowner Helper LLC | RGC | 2020 | Active |
| Homeroot Services LLC | RGC | 2026 | Active |
| Hometown Heating And Cooling Central Oregon LLC | RGC | 2021 | Active |
| Hooker Creek Companies LLC | CGC1, RGC | 2008 | Active |
| Horner Brothers Construction LLC | RGC | 2024 | Active |
| Horsell Enterprises Inc | RGC | 1993 | Active |
| Houseworks Handyman LLC | RGC | 2025 | Active |
| Hubler Enterprises LLC | RGC | 2026 | Active |
| Hudson & Co Home Solutions LLC | RGC | 2025 | Active |
| Hudson Quality Construction Inc | RGC | 2004 | Active |
| Huffman Inc | RGC | 2005 | Active |
| Hughes Designs LLC | CGC2, RGC + LBPR | 2022 | Active |
| Hungerford Homes LLC | RGC | 2025 | Active |
| Hunter Homes LLC | RGC | 2022 | Active |
| Hussey Tree Service LLC | RGC | 2024 | Active |
| Hyde Construction LLC | RGC | 2024 | Active |
| Hydro Mechanical LLC | RGC | 2006 | Active |
| Hyltons Handyman Service LLC | RGC | 2022 | Active |
| I & J Carpets Inc | CGC2, RGC | 1978 | Active |
| Ibanez Construction LLC | RGC | 2022 | Active |
| Icon Stoneworks Inc | RGC | 2025 | Active |
| Igt Construction LLC | RGC | 2014 | Active |
| Imagine Stoneworks Inc | CGC1 + RSC | 2003 | Active |
| Inline Transportation Inc | RGC | 2016 | Renew by Nov 14, 2026 |
| Inspeyered Design LLC | RGC | 2024 | Active |
| Inspire Create Build Artisans LLC | RGC | 2012 | Active |
| Inspire Creative Homes LLC | RGC | 2007 | Active |
| Integrated Electric LLC | CGC2, RGC | 2004 | Active |
| Integrity Framing LLC | RGC | 2021 | Active |
| Integrity General Contractor LLC | RGC | 2022 | Active |
| Integrity Industries LLC | RGC + CSC2 | 2008 | Active |
| Interior Woodcrafts LLC | RGC | 2011 | Active |
| Iron Environments Inc | RGC | 2017 | Active |
| Iron Gate Enterprises LLC | RGC | 2023 | Active |
| Iron Pine Excavation LLC | RGC | 2026 | Active |
| Iron Pine LLC | RGC | 2025 | Active |
| Iron Rock Excavation LLC | RGC | 2024 | Active |
| Iron Roots Design + Build LLC | RGC | 2019 | Active |
| Ironoak Construction LLC | RGC | 2025 | Active |
| Ironwood Construction Co LLC | RGC | 2024 | Renew by Dec 9, 2026 |
| Isidras Cleaning Services LLC | RGC | 2024 | Active |
| J & M Building And Design LLC | RGC | 2021 | Active |
| J & R Fire LLC | CGC2, RGC | 2007 | Active |
| J & S Contracting Inc | CGC2, RGC | 2022 | Active |
| J Daniels Construction LLC | RGC | 2020 | Active |
| J Davey Builders Inc | RGC | 1992 | Active |
| J&V Contractors LLC | RGC | 2020 | Active |
| Jack Of The Woods Inc | RGC | 2002 | Active |
| Jack Robinson & Sons Inc | CGC2, RGC | 1972 | Active |
| Jackelope Construction LLC | RGC | 2010 | Active |
| Jagged Sky Masonry Inc | RGC | 2017 | Active |
| Jal Construction Inc | CGC2 | 1990 | Active |
| Jal Paving & Highway Construction LLC | CGC1 + RSC | 2026 | Active |
| James Robertson Construction LLC | RGC | 2011 | Active |
| James Schreiner Construction LLC | RGC + LBPR | 2026 | Active |
| Jamie Stanley Custom Homes LLC | RGC | 2008 | Active |
| Jared Howland Construction LLC | RGC | 2022 | Active |