Construction of roads, commercial buildings, power plants, pipelines, tunnels, bridges, airports, rail lines, transit lines, marine structures, power generating structures and power transmitting structures; building construction services; building demolition; building construction supervision; scaffolding erection; installation, repair and maintenance of condensing apparatus, steam condensers, radiators for motors and engines, air reheaters, boiler tubes; asphalting; plumbing services; drilling of wells; mining extraction; quarry services, waste disposal for others, inspection services in the course of commercial building construction; rental of hand and power tools and construction equipment construction planning, construction repair building maintenance
Building Construction and Repair