Government go Results Found: 6 Button group with nested dropdown US Senator John Thune's Office US Senator John Thune's Office 320 N. Main Avenue, Ste. B Sioux Falls SD 57104 (605) 334-9596 South Dakota Rehabilitation Services South Dakota Rehabilitation Services 1321 North Main Mitchell SD 57301 605-995-8072 South Dakota Department of Revenue South Dakota Department of Revenue 417 N Main Street Suite 112 Mitchell SD 57301 (605) 995-8080 Small Business Administration Small Business Administration 200 N Phillips Ave Suite L101 Sioux Falls SD 57104-6059 (605) 330-4243 x28 Davison County Davison County 200 E 4th Ave Mitchell SD 57301 (605) 597-7086 City of Mitchell City of Mitchell 612 N Main Mitchell SD 57301 (605) 995-8420