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France

Haute École de Joaillerie

+33 1 40 26 98 00
58 rue du Louvre, 75002 Paris
hauteecoledejoaillerie.com
Germany

Heinz Mayer OHG

+49 6781 9640
Schachenstrasse 37, Idar-Oberstein, 55743
www.heinzmayer.de
Germany

Helene M Apitzsch GmbH

+49 89 9033237
Von-Pienzenauer-Straße 2, Kirchheim, 85551
www.helene-m-apitzsch.com
USA

Helmich Luxury Group

+1 480 530 0703
+1 480 225 9601
10645 N Tatum Blvd, Phoenix, AZ 85028
Josh Helmich is a third-generation jewelry entrepreneur, visionary, gemstone dealer, and jeweler. The Helmich Family legacy began in the late 1950’s with Josh’s Grandfather Don Helmich when he opened The Compton Rock Shop, a lapidary and jewelry supply store in Los Angeles California. Josh’s mother and father, Susan and Stephen Helmich even met at the Rock Shop. Helmich Luxury Group specializes in custom orders and custom service. Custom orders make a large portion of our business. Engagement rings, wedding bands, bracelets, pendants… anything you can dream envision we can make a reality. Josh orchestrates each custom order from selecting the stone, diamond, mineral or colored gemstone, to the design, and fabrication of the piece to ensure the highest quality and excellence in workmanship.
www.helmichluxurygroup.com
USA

Herco (acquired by Quality Gold)

+1 415 543 1580
+1 800 864 0767
P.O. Box 18490, Fairfield, OH 45018
www.herco.com
USA

Hirtz & Traubner Inc.

+1 212 245 5454
580 5th Avenue, #1608, New York, NY 10036
www.hirtzandtraubner.com
USA

Hoover & Strong Inc.

+1 804 794 3700
+1 800 759 9997
10700 Trade Road, N. Chesterfield, VA 23236
Currently no platinum chains in the assortment.
www.hooverandstrong.com
USA

Hopkins Opal

+1 401 322 1253
PO Box 2513, Westerly, RI 02891
The Hopkins Opal team is passionate about mining, cutting, sourcing, and distributing beautiful Australian opal to the global market. With a specialization in Lightning Ridge sourced material, Hopkins Opal offers both black and crystal opal of all grades, from commercial to top-gem collector quality.
www.hopkinsopal.com
USA

Horizon Metals

+1 773 478 8888
+1 800 442 5569
5739 W. Howard Street, Niles, IL 60714
JRG was founded in 1996, born out of the unique idea that those companies in need of refining services ought to be able to get outstanding service, provided with a commitment to integrity, at fair, reasonable and realistic prices by a company with unparalleled reputation. JRG’s growth was the direct result of word of mouth recommendations of our very satisfied clients. JRG was started with one client & now services over 70 jewelry manufacturers, ranging in size from one-man setting shops to overseas manufacturers with 1800 employees.
www.horizonmetals.com
USA

House of Gems Inc.

+1 657 202 5949
1672 W Lincoln Avenue, Anaheim, CA 92801
www.houseofgems.com
USA

Ikohe Inc.

+1 201 529 3611
14 Industrial Avenue, Suite 1, Mahwah, NJ 07430
ikohe.com
USA

Inductotherm Corporation

+1 609 267 9000
10 Indel Avenue, P.O. Box 157, Rancocas, NJ 08073-0157
WE ARE PROUD OF OUR STORY. Inductotherm was founded on simple principles—to provide the foundry industry with efficient and advanced induction equipment. Since 1953, our core values of customer service, quality and reliability, value, along with design and technology have been the keys to our continued success.
www.inductotherm.com