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Hoover & Strong is your eco-friendly refiner and manufacturer of precious metals. Our HARMONY brand of quality products includes bridal jewelry, findings, mill products, custom casting and refining services. Learn more about HARMONY and promote your eco-friendly jewelry. HARMONY Metals™ are now certified by Scientific Certification Systems (SCS). Read the Press Release.

*A state or city jewelry business license is required to do business with Hoover & Strong.

NOTICE TO OUR CUSTOMERS: As a result of the Keystone acquisition, some style names have changed. To help you with your orders, please click here to see our Old and New Style Name Reference List.

 

Diamonds

Diamonds
 

Mill Products

Mill Products

Custom Casting

Custom Casting
 

HARMONY Metals and Gems™

HARMONY Metals and Gems

We Make It Happen

We Make It Happen

Technical Articles

Technical Articles
 
 

NEW!! - CLICK HERE for "We Make It Happen" Custom Services and Minimums

 
NEW!! - SIGN UP TO RECEIVE OUR QUARTERLY EMAIL NEWSLETTER!
 

*A state or city jewelry business license is required to do business with Hoover & Strong.