| Airport Commission |
| City of De Soto |
| City of Edgerton |
| City of Fontana |
| City of Gardner |
| City of Olathe |
| City of Olathe & Water One |
| City of Osawatomie |
| City of Paola |
| City of Spring Hill |
| Douglas Rural Water District 4 |
| Franklin Rural Water District 1 |
| Franklin Rural Water District 6 |
| Johnson Rural Water District 7 |
| Johnson Rural Water District 7 & De Soto |
| Johnson Rural Water District 7 & Olathe |
| Johnson Rural Water District 7 & Spring Hill |
| Kansas City Board of Public Utilities |
| Linn Rural Water District 1 |
| Miami Rural Water District 1 |
| Miami Rural Water District 2 |
| Miami Rural Water District 2 & Louisburg |
| Miami Rural Water District 2 & Paola |
| Miami Rural Water District 2 & WaterOne |
| Miami Rural Water District 3 |
| Miami Rural Water District 4 |
| No Service Provider |
| WaterOne |
| WaterOne & Spring Hill |