EMCS INDUSTRIES LTD. Marelco / Cathelco :: Ramsay Group EMCS INDUSTRIES LTD. is the original inventor of the Marelco™ System (trade name is Cathelco™ in Canada). This is an electrolytic protection system developed and patented in 1961 in Canada and the United States by Electrolytic Marine Corrosion Services Limited of Victoria, B.C. Marelco.ca~Site InfoWhoisTrace RouteRBL Check