1. Larson Communications
7231 Boulder Ave, Highland, CA 92346
Coordinate: 34.12356,-117.19531
Phone: (909) 307-9010
2. East Valley Water District
3654 Highland Ave, Highland, CA 92346
Coordinate: 34.13591,-117.20689
Phone: (909) 889-4900
3. East Valley Water District
31111 Greenspot Rd, Highland, CA 92346
Coordinate: 34.10441,-117.1198
Phone: (909) 889-9501