EC Credit Control Limited
- Level 3, City Library Building, Dalton Street, Napier, Hawkes Bay
The ECN Group Ltd
- Level 2 ECN House, 5 Whitaker Place, Auckland
EcoInn
- 671 Kent Rd, New Plymouth
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