DaMa Inc. - Producer of jewelry components for jewelry manufacturers around the world.
Daniel Lopacki Co. - Lapidary tools including saw blades, carving burrs, diamond powders, flat laps, and more.
Dendritics Gemscales - Pocket-portable scales for weighing gemstones.
Desert Outfitters, Inc. - Prospecting, lapidary, and backpacking gear and equipment.
DRS, Inc. - Findings and tools for the jeweler and watchmaker including wire, solder, settings, scales, diamond and gold testers, and cleaning and polishing machines.
Duro-Felt Products - Sells jewelry supplies.
Estelle - Manufacturer of ear piercing studs and instruments.
FacetGems - Offers facet rough, cabochon rough, loose gemstones, lapidary equipment, and supplies
FDJ/On Time - Supplier of tools, boxes and display, findings, wire, and more.
Garavelli-e-rizzi.com - Production of jewellery mountings rings, earrings, necklaces, bracelets, pendants.
Gemcare Products, Inc. - Makers of natural jewelry cleaner and tarnish remover products for cleaning platinum, gold, and silver jewelry.
Gerald Fried Display Company - Supplier of packaging, displays, and accessories for the jewelry industry.
Grupo Joyero Florencia - The biggest jewelry supplier thorugh catalogue to the jewelry industry in Mexico.
Hauser and Miller - Supplier and purchaser of gold, silver, platinum and palladium.
InstantDip - Providing jewelry cleaning solutions for 50 years.
Inverness Corporation - Provider of fully encapsulated ear piercing systems and related products.
Jewelry Care Products - Jewelers' site for nontoxic jewelry cleaners and jewelry.
Jk Findings - Supplier of precious metal findings to the jewelry industry.
K. S. Jewelry Casting Supply - Jewelry machinery, equipment, lapidary tools, jewelry boxes, silk bags, and pouches.
Kassoy - Supplier of scales, loupes, testers, cleaners, and gemological equipment.