United States

  American Stock Exchange (AMEX)
  Arizona Stock Exchange (AZX)
  Boston Stock Exchange (BSE)
  Chicago Board of Trade (CBOT)
  Chicago Board Options Exchange (CBOE)
  Chicago Mercantile Exchange (CME)
  Chicago Stock Exchange (CHX)
  The Cincinnati Stock Exchange
  Coffee, Sugar & Cocoa Exchange, Inc. (CSCE)
  Kansas City Board of Trade (KCBT)
  Mid-America Exchange (MidAm)
  Minneapolis Grain Exchange (MGE)
  National Association of Securities Dealers Automated Quotations (NASDAQ)
  National Quotation Bureau (OTC Pink Sheets)
  New York Cotton Exchange (NYCE)
  New York Mercantile Exchange (NYMEX)
  New York Stock Exchange (NYSE)
  Over the Counter Bulletin Board (OTCBB)
  Pacific Stock Exchange (PCX)
  Philadelphia Stock Exchange (PHLX)