Try your local asian or spanish grocier, they typically have a great butcher department .
Also, find your local butcher and befriend him. Mine will call me when he gets a case of briskets or Pork bellies.
Find someone who has a resturaunt depot membership, like a local caterer or even a resturaunt, and they may be willing to let you go on a field trip, or to pick up a brisket on their next visit. Dont give up.
I am currently working with a slauter house in Kewauskum to get a rack of Beef Ribs. But that is quit a drive for you.
Lastly, you could try searching craigslist for local farmers that sell their beef.
I will stop now. OK, lastly, find a co-worker who has a costco membership. their meat does not suck