Repair and reconstruction of existing conduits and pipelines, such as sewer pipes, storage tanks, water mains, and industrial pipelines by installing a liner within the existing conduit; installing a liner within pipelines and conduits for protection from abrasion and corrosion; applying protective coatings to pipes; application of pipeline coatings for corrosion protection; pipeline and cathodic protection installation and repair; laying and construction of pipelines and cathodic protection systems; installation of cathodic protection system to steel-reinforced structures; pipeline and cathodic protection construction management supervision; Installation of cathodic protection products, namely, anodes; Installation and maintenance of electrodes, anodes, antifouling and impressed current cathodic protection anodes; technical consultation in the field of construction, installation, repair and maintenance of cathodic protection systems for protecting metal structures from corrosion