Small bolt pattern 15x9 wheels

I know you can get special order wheels from certain companies if you call and ask for them.
I have also heard of companies that will re-barrel existing rims. I don't know if he still exists around me but I've heard of a local wheel shop that will cut the centers out of any steel rim you bring them and they'll weld them back on with a different offset or on a whole new barrel for custom width and custom offset.
The 2nd option still leaves you with the task of finding steel sbp 15" wheels to use as your cores