Check out the Michigan Silversmith's guild: http://www.ganoksin.com/gnkurl/1ni
G&S gold, is in ann arbor. i've used them before and they seem to belovely people. google them for their web site. i bet they couldpoint you to many sources for which you are searching.
http://www.ganoksin.com/gnkurl/gsgold is local in Ann Arbor.
Kim ps. Welcome!