Class 037
Construction and Repair Services
Construction, maintenance, repair and installation services; mining extraction services
Class 039
Transportation & Storage Services
Supply and distribution of energy, electricity, energy, coal, gas and water; electricity transmission; material treatment
Class 040
Treatment & Processing of Materials Services
Generation, processing and production of energy and electricity; treatment of coal, gas, water and fuels
Class 042
Computer & Software Services & Scientific Services
Scientific and industrial research relating to energy and energy related resources; research and development of new energy sources; exploration into energy resources