The following organizations provide useful online information.

   Air Conditioning and Refrigeration Institute
   Technical information, current issues, training, bookstore

   American Society of Heating, Refrigerating and Air-Conditioning Engineers
   Industry standards, industry news, other related engineering organizations, bookstore

   CNN Financial News
   Up-to-date overview of world financial markets, charts, graphs, and quotes

   MSNBC
   Up-to-date overview of world financial markets, charts, graphs, and quotes

   Wall Street Journal Interactive
   On-line, customized version of old, venerable publication - Cost is $49.00 per year

   Chicago Board Of Options Exchange
   Options and futures contracts, basic description of how these work

   Chicago Board Of Trade
   Commodities

   New York Stock Exchange

   NASDAQ

   Stock Smart
   Stock quotes industry analysis, charting

   New York Mercantile Exchange
   Copper, aluminum, & steel contracts

   SEC Documents
   Current and historical SEC filings for all public companies

   STAT-USA
   U.S. government's economic, trade and business database

   Department of Commerce
   Department of Commerce data, international and domestic trade data