Commodity Futures Information on all true commodities: copper, steel, aluminum, nickel, etc.
London Metal Exchange Aluminum, Copper, Zinc, Stainless Steel, Alloys, & Tin
Purchasing Magazine Overall purchasing information on pricing, materials, supply chain management, and other purchasing related issues
Random Lengths Plywood, lumber, and wood products
The Plastics Exchange Commodity plastics, resins, polyethylene, polypropylene, & polystyrene