Waste Solutions Ltd
- Level 1 John Wickliffe House, 265-269 Princes Street, Dunedin
Mangere Sewage Treatment Works
- Island Road, Mangere
Waterco (NZ) Ltd
- 7 Industry Road, Penrose, Auckland
Waterloo School
- Hardy Street, Waterloo, Lower Hutt
Water Systems Treatment Specialists Ltd
- 15D Collard Place, Henderson, Auckland