About.com Metals Guide :
- Online guide for the metal industry. Includes buyers guides, global supplier lists, prices, properties, specifications, cross references, e-commerce sites, software, conversion tools, and industry news. Covers everything from aluminum to zinc.
K&S Engineering, Inc. :
- Metal products for hobby, hardware, craft, and DIY. Aluminum tube, brass tube, angle, channel, aluminum sheet, brass strip, brass sheet, telescopic tube, cut-to-length.
PPM Pure Metals GmbH :
- Producer of high purity metals and chemicals used in electronics, fiber optics, and semiconductors. Products include germanium, germanium tetrachloride, germanium oxide, arsenic, antimony, copper, cadmium and tellurium.