H & S Automotive is an automotive repair facility located in Hagerstown Maryland. John Hall is the owner and operator of H & S who is ASE Certified Master Tech since 1985 and has 26 years in the automotive industry. H & S Automotive is an automotive repair facility located in Hagerstown Maryland. John Hall is the owner and operator of H & S who is ASE Certified Master Tech since 1985 and has 26 years in the automotive industry.