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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| Kane County Septic Services | Kanab, UT | Kane | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04689-OSP |
| KBEarthWox | Coalville, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03761-OSP |
| Kenner Mountain Services | Duck Creek Village, UT | Kane | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 00231-OSP |
| Kenneth Hansen | Spanish Fork, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04425-OSP |
| Kieffer Professional Services | Midway, UT | — | Onsite Wastewater Professional (Level 1) | 04659-OSP |
| Kielbasa Contracting, Inc. | Duchesne, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03471-OSP |
| Kirt Jensen | Price, UT | Carbon | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 03181-OSP |
| KJ Plumbing and Heating | Delta, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03231-OSP |
| Klemetson Engineering, LLC | Orem, UT | Uintah | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 00592-OSP |
| Kolob Construction & Produce LLC | St. George, UT | Iron | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 03307-OSP |
| Kristopher Blanchard | Lapoint, UT | — | Onsite Wastewater Professional (Level 1) | 02262-OSP |
| Kristopher Blanchard | Lapoint, UT | — | Onsite Wastewater Professional (Level 2) | 02326-OSP |
| Krystyl Parker | Washington, UT | Washington | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 04197-OSP |
| Kyle Christensen | Willard, UT | — | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04465-OSP |
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