Federal Agencies in WI Federal Agencies operating within WI. Federal Agencies in WI Bureau of ATF Madison, Dane County Federal Bureau of Investigation Saint Francis, Milwaukee County Federal Emergency Mgmt Agency Madison, Dane County Homeland Security Investigations (HSI) Milwaukee, Milwaukee County Internal Revenue Service Madison, Dane County Internal Revenue Service Milwaukee, Milwaukee County Internal Revenue Service Eau Claire, Eau Claire County Internal Revenue Service Green Bay, Brown County US Marshals Service Madison, Dane County US Marshals Service Milwaukee, Milwaukee County US Secret Service Madison, Dane County US Secret Service Milwaukee, Milwaukee County
