Metals Information - Platinum: Platinum Guild International
South Coast Metro, CA
714.442.3101
Contact: Jurgen Maerz
Johnson Matthey
New York, NY
212.245.6790
Contact: Mark Danks
Automated 3d Modeling
Portland, OR
503.659.2300
Contact: Steven Adler
Palladium Alliance
Billings, MT
877.473.7873
Jewelers Board of Trade
MJSA
Attleboro Falls, MA 02763
401.274.3840 or 800.444.6572
Women's Jewelry Association
National HQ
New York, NY 10017-3827
212.687.2722