Yamal  is a communication satellite developed by Gazprom Space Systems for Russian Direct-To-Home television.

The first satellite of the Yamal series was launched by September 6, 1999.

Gazprom Space Systems is a part of Gazprom Group. Gazprom Space Systems carries out space and telecommunication activities:

• Satellite Operator (satellite capacity provision);
• Services Provider (provision of satellite communication links, broadcasting services, Internet access, aerospace monitoring);
• Systems Integrator (satellite communication and broadcasting networks development and deployment);
• Space Systems Designer.

Thus, Gazprom Space Systems is a diversified, vertically integrated, scientific and technological, production and operation structure.

Gazprom Space Systems currently (Oct. 2012) operates three Yamal telecommunication satellites, designed and built jointly with the Energia space corporation. The satellites are used to transmit over 60 Russian and foreign television channels, and are also used by the Defense, Nuclear Energy, and Education Ministries. 

Eutelsat S.A. is a satellite operator, providing satellite broadcast coverage over the entire European continent, as well as the Middle East, Africa, India and significant parts of Asia and the Americas.

Eutelsat's satellites are used for broadcasting (as of Oct. 2012) 4,250 television and 1100 radio stations to over 204 million cable and satellite homes. They also serve requirements for TV contribution services, corporate networks, mobile positioning and communications, Internet backbone connectivity and broadband access for terrestrial, maritime and in-flight applications. Eutelsat is headquartered in Paris, France.

MDA Federal Inc. (ex  EarthSat corp.) specializes in the development and application of remote sensing and geographic information technologies (GIS). MDA Federal Inc. provides enhanced satellite imagery.

MDA Federal Inc. is a subsidiary of MDA.

AMSAT is a name for amateur radio satellite organizations worldwide, but in particular the Radio Amateur Satellite Corporation with headquarters at Silver Spring, Maryland, USA.

AMSAT organizations design, build, arrange launches for, and then operate (command) satellites carrying amateur radio payloads, including the OSCAR series of satellites.

Other informally affiliated national organizations exist, such as AMSAT Germany (AMSAT-DL) and AMSAT Japan (JAMSAT).

UTC Aerospace Systems provides environmental controls and life support systems for space and undersea customers. Products include the NASA space suit, environmental controls systems for the International Space Station and nuclear submarines and other space and defense critical subsystems.

UTC Aerospace Systems was formed in 2012 by United Technologies Corporation by merging its acquisition of the Goodrich Corporation into its Hamilton Sundstrand division. UTC Aerospace Systems is headquartered in Charlotte, North Carolina, USA.

Astrolab, Inc. provides the military, space, commercial and other electronic industries with state-of-the-art RF and microwave components.

Active Space Technologies (Actividades Aeroespaciais Lda) offers services in Thermal and Structural Analysis, and performs R&D in Optoelectronics, Instrumentation, and Technology Transfer. 

INVAP S.E. is an Argentine high-technology company dedicated to the design, integration, construction and delivery of high complexity equipment, plants and devices.

INVAP has shown its a manufacturer of satellites, payloads, and ground stations; It developed the SAC satellite family ("Satelites de Aplicación Científica") for the Argentine space agency CONAE. INVAP masters the full life cycle capabilities, from design and development through mission control and operational support.

Pumpkin Inc. is an American company developping hardware and software products for the CubeSat platform.