have you tried http://www.bigbluesaw.com/ yet?
I may have a need for some aluminum parts from 1/16" to 1/4" thick parts cut on a water jet if cost effective.
How many pieces will you be needing?
what do they look like?
post a pdf or jpg just to give us an idea!
One piece is 1/16" thick, 1" wide, 24" long and has a radius. Picture the mouth on a smiley face and you have it. Add 3 small slots also. Quanities could range from 10 Pcs and up.