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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| T. Wilson Customs LLC | Pleasant Grove, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03586-OSP |
| Taurus Plumbing and Excavating Inc. | Nephi, UT | Juab | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03428-OSP |
| Taylor Earthworks LLC | Duchesne, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03641-OSP |
| Taylor Made | Blanding, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04338-OSP |
| Taylor McCall | Vernal, UT | — | Onsite Wastewater Professional (Level 1) | 04621-OSP |
| Teague Beauchamp | Nibley, UT | Cache | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 03721-OSP |
| Ten X Excavating | Spring City, UT | — | Onsite Wastewater Professional (Level 1) | 04430-OSP |
| Terry R. Brotherson | Mt. Pleasant, UT | — | Onsite Wastewater Professional (Level 1) | 03791-OSP |
| Terry R. Brotherson Excavating Inc. | Mt. Pleasant, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 00607-OSP |
| Terry R. Brotherson Excavating, Inc. | Mt. Pleasant, UT | — | Onsite Wastewater Professional (Level 1) | 00274-OSP |
| The Mitchell K Company | Eagle Mountain, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04200-OSP |
| Thevenin Environmental | Kanab, UT | Kane | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03443-OSP |
| Thom Summers & Sons Excavating LLC | Eden, UT | Weber | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03186-OSP |
| Thom Summers & Sons Excavating LLC | Eden, UT | Weber | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04422-OSP |
| Thom Summers and Sons Excavating | Eden, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04415-OSP |
| Thomas Beesley | Riverton, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04205-OSP |
| Tiara Zimmermann | Tooele, UT | — | Onsite Wastewater Professional (Level 1) | 04651-OSP |
| Timothy Excavating | Lapoint, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 00519-OSP |
| TNA Electric | Lehi, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03931-OSP |
| Tony Peterson Construction | Panguitch, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04647-OSP |
| Tooele County Health Department | Tooele, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 02986-OSP |
| Tooele County Health Dept | Tooele, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 00439-OSP |
| Tooele County Health Dept. | Tooele, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 03786-OSP |
| Tooele Valley Pumping LLC | Tooele, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 02966-OSP |
| Trent Tomilinson Construction | Lapoint, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 00069-OSP |
| Tri County Health Dept. | Vernal, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 03976-OSP |
| Tricounty Health Department | Vernal, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 00486-OSP |
| TriCounty Health Department | Vernal, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 03613-OSP |
| TriCounty Health Dept. | Vernal, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 00044-OSP |
| Troy Wilde Excavating | Fruitland, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04242-OSP |
| Tyler Webb | Altamont, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 02545-OSP |
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