SPLC Member Companies:
02, AT&T, BT, Bell South, China Telecom , Colt Telecom, France Telecom, Internap Network Services, MCI, NTT, Pannon GSM, QinetiQ (Chairing Company)**,  Qwest, Royal KPN, Sprint-Nextel, TDC, Telestra, Telecom Italia, TeliaSonera, Telus, Vodafone

**Chairing company rotates every 6 months