3M's site has a state-by-state list of local installers.
3M Worldwide: Scotchgard Automotive Protection: Car Buyers: Locate an Applicator
The film itself is part of their "Prestige" collection so I doubt this stuff is going to show up on the shelves of Pep Boys in the near future. On the other hand, installation cost aside, the "numbers" on this film are impressive.