Cases involving the following utilities are pending before the IURC:
- American Suburban Utilities (Tippecanoe County)
- Anderson Municipal Water
- Chandler Municipal Water
- Citizens Energy Group (Marion County)
- Citizens Water of Westfield
- Community Utilities of Indiana (Lake, Porter, Jasper, & Newton Counties)
- Columbus Municipal Utilities
- Eastern Heights Utilities (Greene County)
- Edwardsville Water Corp.
- Elkhart Municipal Water
- Evansville Municipal Water
- Everton Water Corp. (Fayette & Union Counties)
- Indiana American Water Co.
- Jackson County Water Utility
- Marysville-Otisco-Nabb Water Corporation
- Pleasantview Utilities (Fayette County)
- Stucker Fork Conservancy District
- Van Buren Water, Inc. (Monroe County)