03 543 8071
http://www.thinkdelta.co.nz/
Mon-Fri 8am-5pm, 24 hours emergency service
0800 827 772
http://www.tasmansparkies.co.nz
03 541 0580
http://www.powertechnelson.co.nz/
03 541 0680
http://www.smartautomation.co.nz/