A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · Z · 0-9
| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| Eagle Enterprises Inc. | Clearfield, UT | Davis | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 03388-OSP |
| Eagle Peak Engineering | Vernal, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 03693-OSP |
| Eden X LLC | Eden, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03016-OSP |
| Edward Parker | Layton, UT | Davis | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04405-OSP |
| Edward Roberts | Fruitland, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 00527-OSP |
| Edwin Gibbs | Wallisburg, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04572-OSP |
| EM Septic & Testing | Pleasant View, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04661-OSP |
| Emilee Wilhelm | Vernal, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04327-OSP |
| Ensign Engineering | Central Valley, UT | Sevier | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04270-OSP |
| Environmental Scientist | Leeds, UT | Washington | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 00027-OSP |
| Environmental Scientist | Leeds, UT | — | Onsite Wastewater Professional (Level 1) | 04210-OSP |
| Epic Engineering | Mapleton City, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04476-OSP |
| Epic Septic Systems | Vernal, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04649-OSP |
| Eugene Chancellor | Kanab, UT | Kane | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 3) | 04150-OSP |
| Excavation Services | Duchesne, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 00153-OSP |
A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · Z · 0-9