1. Sioux Valley Energy
121 SE 1st St, Madison, SD 57042
Coordinate: 44.00394,-97.11368
Phone: (605) 256-1600
2. Bob's Electric
211 SE 3rd St, Madison, SD 57042
Coordinate: 44.00195,-97.11235
Phone: (605) 256-6828
3. Goth Electric
Highway 181, Madison, SD 57042
Coordinate: 43.9967,-97.116
Phone: (605) 256-3507