Big Twin Diesel in Meridian, Idaho did mine and my dads rebuild. They aren't super close to you but they do great work.
They used QSB 480 03/04 style pistons and I had them put a Hamilton 178/208 cam, pushrods, and 103# valve springs in. I already had a turbo, intake/exh manifold, and ARP head studs. That's all I had done and LOVE the way it runs very the stock motor. My UOA is also MUCH MUCH better than the stock build with the same oil and hp.
That's exactly how dad's broken ring unfolded.
What do you run for tuning?