Alenia Spazio

Canadian Space Agency

European Space Agency

ICO Global Communications

INMARSAT

INTELSAT

ITU

Raytheon Company

SED Systems Ltd

Scitor Corporation

Space Systems / Loral

Westinghouse

AfriSpace / WorldSpace, Inc.

CD Radio, Inc.

DBSIndustries, Inc. / GEMS

EchoStar Communications Corp.

Edison International, Inc.

Globalstar

Winstar

NEC America, Inc.

Pepsi-Cola Company

Putnam, Hayes & Bartlett, Inc.

Rafael

Telespazio S.P.A.

The S Neaman Institute

Banner & Witcoff, Ltd.

Gibson, Dunn & Crutcher

Venable, Baetjer & Howard

Wilkie Farr & Gallagher

KMC Telecom, Inc.

Orion Network Systems, Inc.

Starsys, Inc.

U.S. Wireless

Teligent

Viacom Networks Group