This site provides Memphis Market Data as compiled by the Commercial Appeal. It includes information on specific industry markets, quick facts on the Memphis market, and an overview of key Memphis communities. It also has a nice color ZIP code map with household income information.
This site explains the manufacturing process for all types of products. Included for each entry are: product background, history, raw materials, design, step-by-step manufacturing/assembly details, quality control information and prospects for the future of the product. Most product pages also include citations for further study.