Membership in the FIA Principal Traders Group is limited to firms trading their own capital in exchange-traded markets. Principal traders are active in a variety of asset classes such as futures, equities, foreign exchange, and fixed income, and on a variety of exchanges, both in the U.S. and abroad. Trading firms engage in automated, manual and hybrid methods of trade generation and execution encompassing various strategies. Not all principal traders are high-frequency traders. The FIA PTG membership currently includes:

Allston Trading LLC
Atlantic Trading USA LLC
Belvedere Trading
Bluefin Trading, LLC
Chicago Trading Company, LLC
Chopper Trading LLC
Consolidated Trading LLC
DRW Holdings, LLC
Eagle Seven LLC
Endeavor Trading, LLC
Flow Traders US, LLC
Gator Trading Partners, LLC                                                                                     
Geneva Trading USA, LLC
GETCO, LLC
Hard Eight Futures, LLC
HTG Capital Partners
IMC Chicago LLC
Infinium Capital Management, LLC
Jump Trading LLC
Ketchum Trading
Kottke Associates, LLC
Liger Investments Limited
Marquette Partners, LP
Nico Holdings, LLC
Optiver US LLC
Quantlab Financial, LLC
RGM Trading, LLC
Spot Trading LLC
Sun Trading, LLC
Templar Securities LLC
Tibra Trading America LLC
Tower Research Capital, LLC
TradeForecaster Global Markets LLC
Traditum Group, LLC
WH Trading, LLC
XR Trading LLC