37
Installation, repair and maintenance of cathodic protection systems; Applying corrosion protective coating to concrete, steel-in-concrete, steel, coated steel, water, cast/ductile iron, copper, pipelines, tanks, process equipment, reservoirs, refineries, sewers, bridges, appurtenances, buildings and structures, such as condominiums, balconies, parking decks and major institutional centers, transit systems, marine facilities and utility lines, substations and service arteries
40
Custom manufacture of anodes, vent pipes, cables, rectifiers, splice kits, test stations, instruments and electronic assemblies to order and/or specification of others in the fields of corrosion engineering and cathodic protection systems
42
Engineering services in the field of corrosion protection; technical consulting services related to corrosion engineering systems; design for others in the fields of corrosion engineering and cathodic protection systems, products and materials; pipeline inspection services; technology supervision and inspection in the field of pipelines and pipeline integrity