• AEA Technology
• Aerojet (division of GenCorp)
• Aeroflex Circuit Technology
• Aeroflex UTMC
• Aerospace Scientific
• a.i. solutions
• Alcatel Espace
• Alenia Aerospazio — Space Division
• Analytical Graphics, Inc.
• Arianespace
• AstroExpo
• AT&T
• Avtec Systems
• AXA Space
• Ball Aerospace & Technologies Corp.
• Boeing Co.
• Braxton Technologies
• Com Dev International Ltd.
• Comsat Corp.
• Computer Sciences Corp.
• Composite Optics, Inc.
• Contraves Space AG
• CS Communications
• EADS Space
• EchoStar Communications Corp.
• EMS Technologies
• Galileo Avionica SpA
• General Dynamics Corp.
• General Electric Co.
• Gilat Satellite Networks Ltd.
• Goodrich Corp.
• Harris Corp.
• Honeywell Inc.
• Hughes Electronics Corp.
• ImageSat International N.V.
• Informatics International, Inc.
• Integral Systems
• ISE Corp.
• ITT Industries
• Jena-Optronik GmbH
• Kayser-Threde GmbH
• L-3 Communications
• Lockheed Martin Corp.
• Loral Space & Communications Ltd.
• MacDonald Dettwiler
• MAN Technologie AG
• Mitsubishi Electric Corp.
• Mitsubishi Heavy Industries Ltd.
• Motorola Inc.
• NEC Corp.
• Northrop Grumman Corp.
• OHB System AG
• Orbital Sciences Corp.
• PSI Group
• Qualcomm Inc.
• RapidEye AG
• Raytheon Co.
• Rockwell International Corp.
• Saab Ericsson Space AB
• Satellite Services B.V.
• Sea Launch
• Snecma
• Spacedev
• SpaceHab
• Space Imaging
• The Space Store
• Spectrum Astro
• Starsys Research Corp.
• Surrey Satellite Technology Ltd.
• Swales Aerospace
• Telesat Canada
• Tesat-Spacecom
• Toshiba Corp.
• Trimble Navigation Ltd.
• United Technologies Corp.
• VACCO Industries Inc.
• Vega Group plc
• ViaSat Inc.
• Ylinen Electronics Co.

We welcome your suggestions for additional sites to be added to our growing list of resources. Please send them to kmcdonald@hq.space.com for review and possible inclusion. Space News and SPACE.com retain full editorial control over what is listed on this site.