I would not use DAS. I have a friend that used them to haul Fonzi's hot rod from Happy days. They drug it around the country for a couple months, driver took it out for joy rides, burnt up the wiring, quite the nightmare for him.
I use
http://www.reliable-carriers.com/default.cfm and also
http://www.concourstransport.com/
Reliable is one of the largest with over 300 trucks.