Investment banking and asset management company.
Provides testing, automation, and execution of trading strategies.
Provides agency brokerage services to security industry professionals worldwide. Member of the Reuters family of companies.
Friedman Billings Ramsey
Provides investment banking, institutional brokerage, asset management, and private client services through operating subsidiaries and invests in mortgage-backed securities and merchant banking opportunities.
Provider of comprehensive brokerage execution, clearance, data processing, and investment products and services to financial organizations worldwide.
Ameritrade Holding Corporation
Provides retail discount brokerage services and related financial services, including electronic trading and market data and research services.
Computerized trading system that gives brokerages the power to electronically display and match stock orders for retail and institutional investors.
Van Der Moolen
Specialist and market maker in security markets in Europe and the United States.
LaBranche & Co Inc.
Operates primarily as a New York Stock Exchange specialist firm.
Lime Brokerage LLC
Direct access broker catering to automated and sophisticated traders by means of a procedural API.