Building construction; providing information relating to the repair of buildings; providing information relating to the repair of machines and systems for commercial buildings and businesses; roof repair; concrete repairs; building repairs; warehouse repair; supervision of building repair; consultancy services relating to the repair of buildings; machinery installation and repair; mechanical installation and repair; installation of electrical wiring, outlets, light fixtures, and electrical panels; heating equipment installation; installation of waterproofing products; installation of pipe systems for conducting of gases; installation of insulating materials in buildings, installation of building insulation; building construction services; repair and maintenance of buildings; building demolition; building of industrial properties; building of multi-story offices and retail centers; plumbing; off-site building construction project management; information, consultancy and advisory services relating to the aforesaid services