For decals I can try my vendor at ProVinylShop.com He can probably do some good deals on everything you need. His name is Mike. Good guy with great prices and fast shipping. Based right outside of Pittsburgh. I used him for decals for my Keystone Cobalts car club and some custom decals.
http://provinylshop.com/ Here is his email him if you want to contact him directly.
mike@provinylshop.com Does wholesale and bulk packages. Tell him "Burnt" sent you his way.