Platinum Guild International USA

620 Newport Center Drive
Suite 800
Newport Beach, CA 92660
(949) 760-8279

www.pgi-platinum-tech.com

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Manufacturing Jewelers & Suppliers of America

45 Royal Little Drive
Providence, RI 02904
(401) 274-3840
(800) 444-MJSA

www.mjsainc.org

www.polygon.net

www.ajm-magazine.com