Class 037
Construction and Repair Services
Installation, maintenance and repair of public utilities and supply systems including water supply, energy and electricity networks
Class 039
Transportation & Storage Services
Distribution, transportation and storage of gas, fluids and electricity; supply of water and gas by pipeline; supply of electricity by cable
Class 040
Treatment & Processing of Materials Services
Electricity generation including hydro-electric power stations; generation of energy from other sources; water treatment services
Class 042
Computer & Software Services & Scientific Services
Engineering and professional consultancy services in relation to water supply, electricity and other public utilities
