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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| Iakeview LLC | Clinton, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 00552-OSP |
| Iges | Draper, UT | — | Onsite Wastewater Professional (Level 1) | 04439-OSP |
| IGES, Inc. | Draper, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 02266-OSP |
| IGotPoop.com | Helper, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04628-OSP |
| IHS-Environmental Health and Engineering | Orem, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04310-OSP |
| Iron Rock Group | Kanab, UT | Kane | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 00284-OSP |
| Iron Rock Group | Kanab, UT | Kane | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 00362-OSP |
| Iron Rock Group | Kanab, UT | Kane | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03491-OSP |
| Iron Rock Group | Kanab, UT | — | Onsite Wastewater Professional (Level 1) | 03881-OSP |
| Iron Rock Group | Kanab, UT | — | Onsite Wastewater Professional (Level 1) | 03896-OSP |
| Iron Rock Group | Kanab, UT | Kane | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04085-OSP |
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