Either take it to a manual shop, or pay him to write the code. Without having the post file specific to his machine, there's no telling that it'll work, plus there's no shop out there that will let you just hand them g-code...it could crash their machine without verification and it's just safer to post it yourself. Plus feeds and speeds could be wrong, offsets incorrect, etc. It's just not gonna happen on a cnc without the person who runs/owns the machine doing the code for you.
Here's a dxf, solid model, and pdf for you though...might save you some money. At the very least it'll make it easier for a machine shop to make the parts since there's a print.
DXF:
https://www.dropbox.com/s/gtapjfeqns2rt0v/blurred.DXF
Solid model:
https://www.dropbox.com/s/285wbmu0xt0emo5/blurred.SLDPRT
PDF Drawing:
https://www.dropbox.com/s/cr2cgj6jk6h5nt0/blurred.PDF
Here's a dxf, solid model, and pdf for you though...might save you some money. At the very least it'll make it easier for a machine shop to make the parts since there's a print.
DXF:
https://www.dropbox.com/s/gtapjfeqns2rt0v/blurred.DXF
Solid model:
https://www.dropbox.com/s/285wbmu0xt0emo5/blurred.SLDPRT
PDF Drawing:
https://www.dropbox.com/s/cr2cgj6jk6h5nt0/blurred.PDF