Rel-Tek Corporation 4185-4189 Old William Penn Highway , Monroeville , 15146 Environmental XPRT Downloads About Solutions products applications industries services software Publications articles Downloads Home Companies Rel-Tek Corporation Locations Rel-Tek Corporation Show or hide locations in map Headquarters Office locations Locations served Distributors Manufacturer Rel-Tek Corporation Headquarters 4185-4189 Old William Penn Highway Monroeville PA 15146 Phone/Fax Number Contact supplier Contact supplier Loading... Drop file here or browse Great, file uploaded. Change File Drop file here or browse Yes, please send to similar suppliers. SEND Cancel and close