11
Heating, ventilating, and air conditioning and purification equipment (ambient); Sanitary installations, water supply and sanitation equipment
35
Advertising, marketing and promotional services; Business assistance, management and administrative services
36
Real estate services; Building management; Property (Real estate -) management; Arranging letting of real estate; Leasing of real estate; Real estate agency; Real-estate valuations; Real estate administration; Real estate investment; Real estate acquisition services; Real estate affairs; Property portfolio management; Accommodation bureaux (real estate property); Arranging letting of real estate; Property (Real estate -) management; Arranging of leases for the rental of commercial property; Management services for real estate investment; Real estate financing; Provision of information relating to property [real estate]; Real estate consultancy; Arranging the provision of finance for real estate purchase; Real estate consultancy; Real-estate valuations; Rental of offices; Assisting in the acquisition of real estate and interests in real estate; Estate agency; Real estate investment and leasing services; Arranging letting of real estate; Real estate procurement for others; Real-estate valuations; Real estate and property management services; Management services for real estate investment; Arranging of leases and rental agreements for real estate; Estate agency services for sale and rental of buildings; Estate agency services for sale and rental of businesses; Trading of goods
37
Mining, and oil and gas extraction; Building, construction and demolition; Plumbing installation, maintenance and repair; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Building maintenance and repair; Pipeline construction and maintenance; Installation of oil refineries; Installation of industrial plant; Cleaning of water supply plumbing; Cleaning of drains; Cleaning of ballast lines; Cleaning of storage tanks; Installation of electrical and generating machinery; Installation of fabricated construction units; Installation and maintenance of irrigation systems; Electric appliance installation and repair; Maintenance of roads; Civil engineering maintenance involving the use of water-jet cutting equipment; Civil engineering maintainance involving the use of hydromechanical cutting equipment; Maintaining septic systems; Assembling [installation] of building framework; Installation of roof timbering; Plumbing and gas and water installation; Application of underlayments; Repair or maintenance of electric lighting apparatus; Repair or maintenance of power generators; Repairing construction works; Concrete repairs; Installation of felt roofs; Road stripping; Scaffolding dismantling; Erection of climbing formworks; Joinery; Joinery [repair]; Valeting services relating to office cleaning; Drain cleaning services; Industrial cleaning services; Valeting services relating to industrial cleaning; Advisory services relating to the renovation of property; Advisory services relating to the maintenance of buildings; Advisory services relating to the repair of civil engineering structures; Plumbing and glazing services; Information services relating to the refurbishment of buildings; Roofing installation; Insulation services; Remedial services for floor coverings; Remedial services for stair coverings; Remedial services for wall coverings; Apartment refurbishment services; Excavating services for verifying the location of utility lines; Coating services for the maintenance of industrial engineering plant; Floor coating services; Drilling; Waste removal [cleaning]; Waterproofing of basements; Street cleaning; Trash collection [refuse clean-up]; Advisory services relating to building construction
38
Telecommunication services
39
Supply of electricity; Electricity supply and distribution; Distribution and transmission of electricity; Public utility services in the nature of electricity distribution
42
Engineering services; Technical research; Technological research for the building construction industry; Measuring variables associated with the drilling of boreholes; Measuring the environment within civil engineering structures; Building research services; Construction drafting