Real estate development; residential and commercial land development; building services; construction services; building construction services; building maintenance and repair; custom construction and building renovation; renovation; construction management; developing and building real estate; developing and building commercial, institutional, industrial and residential real estate; construction consultation services; developing, and building in commercial, institutional, industrial and residential real estate; real estate development services; developing and building oil and gas pipelines and storage; developing and building wireless communication towers, broadcast satellites and cable networks; developing and building water and waste water installations and structures; developing and building energy buildings, properties, structures and installations including hydro-electric plants; construction planning services; consultancy, advisory and information services relating to the aforesaid services