WASP NZ Ltd
- Internet House, 68 Bower Street, Napier, Hawkes Bay
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