PRO-TEK was established in 2000 as cathodic protection engineers and manufacturers of cathodic protection equipment. We have completed a lot of cathodic protection design and installations of thousands of kilometers fresh water pipelines, natural gas main transportation and city distribution pipelines, petroleum pipelines, internal and external cathodic protection of petroleum and LPG storage tanks, jetties and jetty piles like 17 jetties of Istanbul Fast Ferries Co., Inc., bridges, sewages, steel reinforced concrete pipelines.