The ECN Group Ltd
- Level 2 ECN House, 5 Whitaker Place, Auckland
EcoInn
- 671 Kent Rd, New Plymouth
Ecco Pacific Ltd
- Unit 2, 8 Target Court, Glenfield, North Shore
Country Cottages & Ecomac Sheds
- 82 SH 1, Levin
Econo Built Systems Ltd
- 152 Great South Road, Takanini, South Auckland
ECONZ Wireless
- 19 Newton Road, Newton, Auckland