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.

IHI Corporation, formerly known as Ishikawajima-Harima Heavy Industries Co. Ltd is a Japanese company which produces ships, aero-engines, turbochargers for automobiles, industrial machines, suspension bridges and other transport-related machinery.

Space products:

• S-type Sounding Rocket (S-210, S-310, S-520, SS-520)
• M-V Launch Vehicle
• GX Launch Vehicle (Partner in Galaxy Express Corporation)
• Epsilon Launch Vehicle
• SRB-A solid rocket booster for H-IIA/H-IIB Launch Vehicle

The State Space Agency of Ukraine (SSAU) is the Ukrainian government agency responsible for space policy and programs.

It is a civil body in charge of co-ordinating the efforts of government installations, research, and industrial companies (mostly state-owned). Several space-related institutes and industries are directly subordinated to the SSAU.

Zenit is a family of space launch vehicles designed by the Yuzhnoye Design Bureau of Ukraine.

Zenit was built in the 1980s for two purposes: as a liquid rocket booster for the Energia rocket and, equipped with a second stage, as a stand-alone rocket. Moreover Zenit was planned to take over manned spaceship launches from Soyuz, but these plans were abandoned after the fall of the Soviet Union.
Zenit-3SL is launched by the Sea Launch consortium's floating launch platform in the Pacific Ocean and Zenit-2 is launched from Baikonur Cosmodrome in Kazakhstan. 

A.M. Makarov Yuzhny Machine-Building Plant, or PA Yuzhmash is a Ukrainian manufacturer of space rockets, agricultural equipment, buses, trolley buses and trams, wind turbines, and satellites. 

It is a large state-owned company located in Dnipropetrovsk, Ukraine.

Over 65 years, four-generation of carrier rockets and several types of spacecraft have been created.

uzhmash made an ecological two-stage carrier rocket under the title «Zenit» to realize the international «Sea Launch» project.