Otto Frei--tools/findings

David H. Fell & Company, Inc.--refining/metals

Gesswein--tools

Grobet USA--tools

Hauser and Miller--refining/metals/findings

Harbor Freight--tools

Hoover and Strong--refining/metals/findings/finished jewelry

Metalliferous--silver/findings/tools

Reactive Metals Studio, Inc.--Niobium/titanium/mokume-gane

Rio Grande--tools/metals/findings/gemstones

Stuller--gems/findings/metal/finished jewelry/tools

The Contenti Company--tools