American Stock Exchange
Amsterdam Stock Exchanges
Australian Stock Exchange
ACTIV Financial Systems, Inc.
Advantage Futures LLC
Aegis Software Inc.
AEMS
Apama Division, Progress Software
Australian Securities Exchange
Bank of America
BlackRock
Bloomberg LP
Bloomberg Tradebook
BT Global Financial Services
Calyon Financial Inc.
Capital Markets Consulting, LLC
Chicago Board of Options Exchange
Chicago Board of Trade
Chicago Mercantile Exchange
Chicago Stock Exchange
Chinese National Futures Association
Cinnober Financial Technology
Citigroup Global Markets
Computer Voice Systems
CQG, Inc.
Credit Suisse
Derivatives Week
DTN
Dubai Mercantile Exchange
eSignal
Eurex
Exegy
Exensys Software Solutions, Inc.
FOW Tradedata
Futures Industry Association
Fimat USA, LLC
FlexTrade Systems, Inc.
FS Innovators
Futures Magazine
FX Solutions, LLC
GL Trade
GlobalRisk Corporation
Goodmorning Shinhan Securities
Greenline Financial Technologies
Gruppo Borsa Italiana
Hedgefund Intelligence
Hotspot FX, Inc.
IIT- Center for Financial Markets
IMAREX Group
InfoDyne Corporation
The Institute for Financial Markets
Interactive Brokers LLC
Intercontinental Exchange (ICE)
International Securities Exchange
Investment Technology Group, Inc.
Ivolatility.com
Korea Exchange
Korea Futures Association
Korea Investments & Securities Co.,Ltd
Lava Trading
Lehman Brothers Asset Management
LaSalle Street Finance
LaSalle Street Capital
Liffe
Logical Information Machines, Inc.
London Metal Exchange
London Stock Exchange
Man Group
MATba - MAE
Matrox Graphics
Mexico Stock Exchange
MICEX
Montréal Exchange / BOX
Morgan Stanley
MQSoftware
Nasdaq Stock Exchange
NASDAQ
National Futures Association
National Introducting Brokers Association
Need to Know News
New York Stock Exchange
NYMEX
Object Computing, Inc. (OCI)
OMX
OneChicago
The Options Clearing Corporation
OptionsXpress
Orc Software
Osaka Securities Exchange
Patsystems
Penson GHCO
Philadelphia Stock Exchange
Platts
Portware

Prime Analytics LLC
Quant House
QUOD Financial
Real-Time Innovations (RTI)
Regulation Technologies LLC (RegTec)
Reuters
Rolfe & Nolan Systems Inc.
Rithmic, LLC
RSM McGladrey, Inc.
RTS Realtime Systems Inc.
Russian Trading System Stock Exchange
Russell Indexes
Samsung Securities
Saxo bank
Securities Technology Analysis Center (STAC)
SFO Magazine
Singapore Exchange Ltd. (SGX)
Software Options and Associates
Spooz
SpryWare
Stocks & Commodities Magazine
SunGard
Taiwan Futures Exchange
Tethys Technology, Inc.
Thailand Futures Exchange PCL
The Clearing Corporation
Thinkorswim
The Tokyo Commodity Exchange (TOCOM)
The Brazilian Mercantile & Futures Exchange
TIBCO Software Inc.
Tokyo Financial Exchange (TFX)
The Tokyo Grain Exchange
Tokyo Stock Exchange Group, Inc.
TradeKing
Trade The News
Trading Technologies International, Inc. (TT)
TradingScreen Inc.
Ullink, Inc.
USFE
Voltaire
Waverules, LLC
West Software
William Blair & Company, LLC
Wombat Financial Software
WTD Consulting, Inc.
YJT Solutions, LLC
William Blair & Company, LLC
Zantrio

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