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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| Hansen, Allen & Luce, Inc. | South Jordan, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 00428-OSP |
| Harlan Excavating | Vernal, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 02946-OSP |
| Haslam Excavating | Morgan, UT | Morgan | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 00483-OSP |
| High Country Excavation Inc. | Hooper, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 00490-OSP |
| Hillary Hamlin | Fruitland, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04240-OSP |
| Hogan Trading Post LLC | Duchesne, UT | Duchesne | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 02566-OSP |
| Home Bound Construction | Kamas, UT | Summit | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04325-OSP |
| Hone Construction and Contracting LLP | Vernal, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03961-OSP |
| Honest Build and Preservation LLC | Miami, UT | Out of State | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04352-OSP |
| Horrocks Engineers | Pleasant Grove, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 02305-OSP |
| HOS Excavation, Co. | Hooper, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 02331-OSP |
| Hunter Shingleton | Moab, UT | Grand | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 03858-OSP |
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