Sioux Valley Energy Categories Utility Companies PO Box 216 Colman SD 57017 (800) 234-1960 (800) 234-1960 (605) 256-1693 Send Email Visit Website Rep/Contact Info Jay Buchholz Phone: (605) 582-3162 PO Box 857 Brandon SD 57005 Sheila Gross Phone: (800) 234-1960 Cell Phone: (605) 270-9430 PO Box 216 Colman SD 57017 Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×