United States of America

Location
Exchange
Comments
USAIEX Investors' Exchange. IEX features in Michael Lewis' Flashboys.
Apparently it provides unadulterated prices by delaying execution by 350 milliseconds
USANASDAQ North American Securities Dealers' Automated Quotation system
USA
New York
NYSE
DTCC
ICE
NYSE Arca
New York Stock Exchange
Depositary Trust & Clearing Corporation
Intercontinental Exchange
NYSE Archipelago equities exchange
USA
Chicago
CBOE
TCC
CME Group
CHX
Chicago Board Options Exchange
The Clearing Corporation
Chicago Mercantile Exchange Group
Chicago Stock Exchange
USA
Regional
Boston (NASDAQ OMX BX)
Minneapolis
BATS, Kansas City, Mo.
Links to some other exchanges in the USA
USAADRs - J P MorganJ P Morgan's site for data about American Depositary Receipts
USAOTC Bulletin BoardQuotation service for over-the-counter equity trades
USAISEThe International Securities Exchange, an online options trading entity
USANadexNorth American Derivatives Exchange
USANyppexPrivate equity secondary market exchange
USACantor ExchangeCantor Futures Exchange

Canada

Exchange
Comments
Montreal TMX
Canadian Securities Exchange
Toronto TMX
Aequitas NEO Exchange
Canadian Depository for Securities
Information about listed companies and their share prices is available from these sites