Chassis straightening Q

[crispy'86]

Where's a reasonable chassis repair shop here in Christchurch? Got an inspection on our caldina due to the reg having lapsed, the chassis rail on left side is bent and needs subsequent straightening, repair to the lower radiator support panel and repair cert for it. 3d measure of it after repairing Anyone know any place that can do this at a reasonable cost for cash? Hope being in the auto trade helps alot too.
We don't really just want to wreck it out or anything as spent a bit of time and money on it to get it reliable.