Air Force Space Command 50th Space Wing

American Mobil Satellite Corporation

AMSAT

APT Satellite Company Ltd.

operator of the Apstar series of  satellites

Arabsat

Asia Satellite Telecommunications Co Ltd (Asiasat)

Astrolink

AT&T Skynet Services

now Loral Skynet

CD Radio

Celestri

now included in the Teledesic project

Columbia Communications

Comsat

Comstellation Communications Inc

Cyberstar

DBS Industries

Deutsche Telekom

Echostar

Ellipso

Embratel

Eumstsat

European Space Agency

Eutelsat

Eutelsat/s German agent

Faisat

Framce Telecom

GE Americom

Gemnet

Globalstar

Hispasat

Hughes Communications Inc

ICO Global Communications

Indian Space Research Organisation (ISRO)

Inmarsat

Intelsat

Intersputnik

Iridium

Japan Satellite Systems

KaStar

Leo One

Lockheed Martin Interspuinik

Loral Orion

Loral Skynet

KaStar

MCHI

Ellipsat

MSat

NASA (ACTS details)

NASA (TDRSS details)

New Skies

Nilesat

NOAA

Odyssey

Orbcomm

Orion

Panamsat

PT Satelit Palapa Indonesia (Satelinido)

Radio Amateur Satellite Corp (AMSAT)

SEDSAT

amateur communications satellite built by students at the University of Alabama and is operated by

students at the University of Arizona

Shinawatra and Shinawatra

SkyBridge

Soci??Europ?nne des Sat?lite

Space Communications

SpaceDev Inc

intends to send an unmanned probe to a near Earth Asteroid in the year 2000

Spaceway

Swedish Space Corporation

Telecom Italia

Teledesic

Telesat Canada

Thaicom

Thuraya

Virtual Geosatellite

Volunteers in Technical Assistance (VITA)

Worldspace