Spirent Communications (US), Keysight Technologies (US), Apposite Technologies (US), Polaris Networks (US), PacketStorm Communications (US), iTrinegy (New England), Aukua (US), Calnex (UK), SolarWinds (US), InterWorking Labs (US), GigaNet Systems (US), SCALABLE Network Technologies (US), Valid8 (US), Tetcos (India), W2BI (US)