Apco Technologies | Design, manufacturing, integration and test of flight hardware and design, manufacturing, integration and tests of MGSE |
| Austrian Space | Markets, develops and manufactures satellite equipment for the global space industry |
| Astrium | Designers and developers of satellites (Part of EADS group) |
| The Boeing Company | Designers and developers of GPS satellites |
| Bradford Engineering B.V. | Company specialised in engineering, design and development, production and test of spaceflight components and systems |
| Com Dev | Designer and manufacturer of space hardware subsystems |
| CRISA | Designs and manufactures electronic equipment and software for space applications: satellites, launchers, orbital infrastructure and space transportation vehicles.(Part of EADS Astrium) |
| Czech Space Research Centre | Manufacturer of on-board modules, boxes or parts of satellites based on specifications from customers |
| Dutch Space BV | Manufacturer of solar arrays for spacecraft (Part of EADS Astrium) |
| EADS | Designers and developers of satellites |
| Eutelsat | the world's third-largest satellite operator |
| FEI Communications, Inc. | Manufacturer of satellite earth stations; its products are sold to the communications industry |
| Finmeccanica | Operates in satellite construction and satellite services management |
| INMARSAT | The International Mobile Satellite Organization. Operators of satellite system for global, mobile communications and navigation services. |
| Lockheed Martin | Designers and developers of GPS satellites |
| Loral | Develops and operates satellites |
| Northrop Grumman | Designers and developers of GPS satellites |
| OHB System | Company in the small-satellite segment |
| Orbital Sciences | Satellite provider |
| SAAB Ericsson Space | The main products of SAAB Ericsson Space are computers, microwave electronics and antennas for spacecraft and adapters and separation systems for launchers |
| SES ASTRA | Satellite system operator broadcasting television and radio programming throughout Europe. |
| Snecma | Develops and produces propulsion systems and equipment for launchers and satellites |
| Spirent Communications | Spirent Communications plc is a world leading provider of GNSS test and simulation systems. Spirent has provided Radio Frequency Constellation Simulators (RFCS) to support the development and in-orbit validation phases of the Galileo project. |
| Telespazio | Operator in added value navigation and positioning services. Operates EGNOS uplink stations. Involved in the development of Galileo programme, in particular one of the Galileo Control Centres is under construction at Telespazio Fucino Space Centre |
| ThalesAlenia Space | Developers of satellite systems and at the forefront of orbital infrastructures |
