Class 037
Construction and Repair Services
Disconnecting unused service lines (eg. gas, mains water, electricity)
Class 039
Transportation & Storage Services
Distribution of water; storage of water; supply of water by pipeline; transport by water; water distribution; water supply services; water supplying
Class 040
Treatment & Processing of Materials Services
Regeneration of water; rental of water treatment equipment; treatment (purification) of water; treatment of waste water; treatment of water; waste water treatment; water pollution control; water purification; water treating; water
Class 042
Computer & Software Services & Scientific Services
Analysis of water