Tuff shed is america's leading provider of installed storage buildings and garages. since 1981, tuff shed has been delivering on its customer promise of providing products of lasting value through the use of innovative engineering, proven construction techniques, and expert consultative services.. First contacted the nw side location (zangs rd), person on phone was grouchy and not helpful. even though that location was closer to where we live, we went with the eastside location.. Tuff shed san antonio texas factory direct location: 6012 zangs dr. san antonio, tx 78238 gary j. 210-680-8833 and press '1' @ the prompt for sales..