American Stock Exchange
www.amex.com
212-306-1000

Boston Stock Exchange
www.bostonstock.com
617-235-2000

Chicago Board Options Exchange
www.cboe.com
312-786-5600

Chicago Stock Exchange
www.chx.com
312-663-2222

The Nasdaq Stock Market
www.nasdaq.com
202-728-8000

NASD Regulation
www.nasdr.com
301-590-6500

North American Securities Administrators Association
www.nasaa.org
202-737-3000

New York Stock Exchange
www.nyse.com
212-656-3000

Pacific Exchange
www.pacificex.com
415-393-4000

Philadelphia Stock Exchange
www.phlx.com
215-496-5000

Securities Industry Association
www.sia.com
202-326-5314

United States Securities & Exchange Commission
www.sec.gov
202-942-8088