Hoover and Strong is a manufacturer and refiner of precious metals. We cater to the needs of jewelers and the jewelry industry and we produce over 30,000 eco-friendly and responsible Harmony jewelry products, all Made in the USA.

Proudly serving the jewelry industry since 1912, we offer the finest quality mill and findings products as well as reliable refining, casting and diamond services. We are committed to supplying responsibly-sourced products made in the USA.