cnc machines are 100k$+ very few ppl have them in thier garage.. if your not mass producing with them.. it costs more to make something one off than its worth..
try emailing
Billet Accesories Direct
or billet specialties
or check the yellowpages for machinists
i think devious might have a plasma, also a buddy of mine has a CNC plasma as well over at Chassis by Aaron... i'm sure either one would cut some stuff for you but it will cost a few bucks