Seems to me that 0.189" strips could be lopped off a ~2" wide strip of 0.033 material, after making those strips.
I think if you find a metal fabricating concern around there, they're likely to have a shear that will make good cuts=minimal burr=precise, sharp blades. If given the choice, go for an outfit that's where you want, depending on your tolerances, on the spectrum between blacksmith and machinist.
(I said likely, but don't know your local resources and cannot actually calculate the probability.)
No results for online from cut-to-order sources?
CNC water jet cutting?
