Mitchell Electric LLC Share: Electrical Mitchell Electric LLC Visit Website 717 North Derby Lane Suite C North Sioux City, SD 57049 (605) 232-5527 (877) 232-4437 Hours: 8am-5pm with 24 hour emergency service also About Map About Mitchell Electric is a premier, family-owned, local electrical contractor that services residential, commercial and industrial customers. What's Nearby? Distance: 5 10 15 20 25 50 mi.