37
Building, construction and demolition; Renovation of buildings; Services for the damp proofing of buildings during construction; Plumbing installation, maintenance and repair; Services for the installation of drains; Pipe installation services; Installation of tubular linings in pipelines; Installation of pipework systems; Insulation of pipes; Pipeline laying; Plumbing installation advisory services; Plumbing repair advisory services; Plumbing maintenance advisory services; Sewer pipe servicing; Sewer pipe cleaning; Sewer pipe renovation; Renovation of plumbing; Unblocking of drains; Plumbing; Services for the repair of drains; Sewer pipe maintenance; Maintenance and repair of pipelines; Maintenance and repair of pipeline systems; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Maintenance and repair of heat tracing; Asbestos removal; Extermination, disinfection and pest control; Pest control for residential homes
40
Odour removal services; Air purification; Air treatment; Building dehumidification
42
Surveying; Surveying of real estate; Inspection of buildings [surveying]; Pipeline inspection services