The Magic Loupe 
Jewelers loupe and diamond hardness tester combined.
http://www.magicloupe.com/WigJig Jewelry Tools
Specializes in beads, wire and jewelry supplies. Free jewelry making designs and instructions.
http://www.wigjig.com
Pearson Jewelry Tools and Supplies
Offers a wide range of tools and supplies for the manufacturing jewelry.
http://www.pearson-jewelry.com
Clasp Master
Offering a bracelet fastening tool.
http://www.claspmaster.com/
V.P. Gabriel, Inc.
Offers loupes, magnifiers, diamond testers and tweezers, finger ring cutters, silver wire, and products for cleaning diamonds and jewelry.
http://www.loupe-magnifier.com/
Wm. Werkhaven and Son, Inc.
Features tools, supplies and equipment for jewelry technicians, craftsmen and hobbyists
http://www.werkhaven.com/
