what are you needing machined? mile high crank or colorado crank are about the only two i know of, and from what i underdstand every other machine shop sublet's any crank work to them. i gotta buddy who has a machine shop, and i have a good head guy down here in aurora. heads by drew, best work in town and very reasonable prices. if you still have my number call / text me tomorrow and i will give you the info you need.