Us Labor Department Wage & Hour Division 2500 W 49th St Sioux Falls, SD 57105 Phone : (605) 330-4241 Business Category Regulation Licensing & Inspection Of Miscellaneous Commercial Sectors United States Government--labor Dept Of, Wage And Hour Division Sioux Falls, SD 57103 Phone : (605) 330-4241 Business Category Government Offices-Federal Government Offices & Public Schools