His name is Dave Houser, he doesn't live far from me. He has been doing custom mouthpiece work in the area for quite some time.
LOUD Mouthpieces - Trumpet - Mellophone - Trombone - Euphonium - Tuba - Stainless Steel Mouthpieces Houser Mouthpieces
I'm afraid I can't comment on the mouthpieces, I don't play around with them much. If it ain't broke...