In St. Johann there are some important public services, like the district hospital, the Wintersteller army barracks and the Military Supply Centre West for the Armed Forces based in the west of Austria.
Sankt Johannis on mõned olulised avalikud teenused, nagu ringkonnahaigla, Wintersteller armeekasarmud ja Austria lääneosas paiknevate relvajõudude varustuskeskus.