37 Building construction services, general construction contracting services, construction project management services, building construction services under build-operate-transfer (BOT) contracts, design-build services, namely, building construction services under build operate-transfer (BOT) contracts, building renovation services, design-build services, namely, building construction services, and real estate development services, all of the foregoing in the fields of healthcare, educational, industrial, commercial, corporate, residential, institutional, government and other buildings, facilities, structures, offices and spaces; Construction management; Construction project management services; Construction administration and management services, namely, construction consultation, construction advisory, construction planning, construction supervision, and construction contractor services in the nature of general building contractor services and general building contractor services for design-build projects; General construction contracting; Building construction services; Construction, maintenance, repair and renovation of real property; Consulting, advisory and supervisory services relating to building construction and renovation, namely, construction consultation and construction project management; Design-build services, namely, building construction services; Real estate development; Self-perform construction skilled trades, namely, concrete work in the nature of concrete pouring, forming, sealing, pumping and repair services, masonry, excavation services and carpentry; Concrete pouring and forming for buildings, facilities, structures, site work, offices and spaces; Concrete contractor services in the nature of concrete pouring, forming, sealing, pumping and repair services; Masonry services; Maintenance, restoration, renovation and repair of masonry walls and structures; Masonry services and masonry contractor services for masonry walls and structures; Masonry contractor services; Excavation services; Carpentry services; Carpentry contractor services; all of the foregoing excluding roofing construction and roofing repair services