HFT Vendor Categories

Infrastructure Providers

AboveNet

ACTIV Financial

Algo Technologies

AlgoSpan

Bloomberg

BT Radianz

CFN Services

Colt

Easyscreen

Equinix

Essex Radez

EU Networks

Exegy

Exponential-e

Ffastfill

Fixnetix

FTEN (Nasdaq OMX)

GL Trade (SunGard)

Hibernia Atlantic

InfoReach

Interoute

Interxion

IPC Global Networks

KVH

Level 3 Communications

Mantara

Millennium Information Technologies

Nasdaq OMX

NovaSparks

NYSE Euronext

Orange Business Services

ORC

PATSystems

Perseus Telecom

Pipeline Financial

PLUS Markets Group plc

Portware

Quant House

Reliance GlobalCom

RTS Realtime Systems

Savvis

SGX

Stellar

Sterling Trader Inc

Thomson Reuters

TMX Atrium

TNS (Transaction Network Services)

Trading Physics

Trading Technologies

Ullink

Verizon