Esrange Space Center (short form Esrange) is a rocket range and research centre located outside the town of Kiruna in northern Sweden.

It is a base for scientific research with high altitude balloons, investigation of the aurora borealis, sounding rocket launches, and satellite tracking, among other things. Located 200 km north of the Arctic Circle and surrounded by a vast wilderness, its geographic location is ideal for many of these purposes. 

It is operated by the Swedish Space Corporation (SSC).

The Swedish Space Corporation (SSC) develops, launches and operates space systems and perform tests of new aerospace systems.

SSC (Swedish Space Corporation) is a comprehensive space company that has 40 years' experience in helping space organizations, companies and research organizations to get access to space. SSC provides specialized competence in space subsystems, space and satellite operations, rocket and balloon systems including experiment equipment, launch services, aerospace engineering services as well as airborne maritime surveillance systems.

Through its wholly owned subsidiaries ECAPS and NanoSpace, SSC is also engaged in the development of environmentally friendly propulsion systems and micromechanical systems for space applications.

From its facility Esrange Space Center in Northern Sweden, SSC launches sounding rockets and high-altitude balloons for research in the areas of microgravity, astrophysics, astronomy and atmospheric studies.

SpaceTech undertakes a wide spectrum of space activities in the field of scientific and Earth observation missions.

The scope of activities covers design and engineering work on mission and satellite system level, the development and production of space equipments such as solar generators, high precision mechanisms, attitude sensors and the launch services support. The company is also active in terrestrial applications and provides project management support to the implementation of Tsunami Warning Systems and delivers land and ocean based sensor stations.

Planetary Systems was founded in 1998 with the goal of providing high-quality, affordable mechanical systems to the aerospace industry.

Notably it provides lightweight, cost-effective, and test verified separation systems for the aerospace industry. Specifically for the Space industry, it provides separation systems for payload separation and vehicle staging.

From its own R&D efforts, Planetary Systems produces the Lightband, a  patented system in the US and abroad.

RUAG Space is a large provider of space technology in Europe. It develops, manufactures and tests subsystems and equipment for satellites and launch vehicles. With divisions located in Switzerland, Sweden and Austria, RUAG Space offers a comprehensive portfolio of products and services for institutional and commercial space missions. RUAG Space is a long lasting partner for satellite and launcher primes worldwide.

RUAG Space is the Space Division of the Swiss technology group RUAG. With seven sites, located in Switzerland (Zurich, Emmen and Nyon), Sweden (Gothenburg, Linköping) and Austria (Vienna, Berndorf), RUAG Space employs around 1,100 people and posted sales of 283 million Swiss Francs in 2010.

RUAG Space is developing and producing a wide range of products for the space industry. See:

• RUAG Space Switzerland
• RUAG Space Sweden
• RUAG Space Austria

Marotta Controls Inc. designs and manufactures fluid control systems, components and actuators designed specifically for the Aerospace, Military, Space and Industrial markets. Applications include aircraft hydraulic systems, high-pressure pneumatics and smart fluid systems on Navy ships, and reaction control systems on launch vehicles and small satellites.

Marotta produce thrusters and isolation valves; cold gas thrusters; regulators; relief valves; check valves.

Alaska Aerospace Corporation (AAC)'s core business is space launch. It developed, owns, and operates the Kodiak Launch Complex, a spaceport on Kodiak Island, Alaska, that provides access to space for commercial and government interests. 

ARCA Space is a non profit organization with main objective being the exploration and colonization of space.

In order to reach these objectives, ARCA builds and launches cost effective space vehicles. ARCA Space is using technologies already existing, in an innovative ways.

The Kodiak Launch Complex (KLC) is a commercial rocket launch facility for sub-orbital and orbital space launch vehicles.

It is owned and operated by the Alaska Aerospace Corporation, a public corporation of the State of Alaska. The facility is located on Kodiak Island, Alaska.

The Kodiak spaceport has two launch pads with a mission control center with high-speed communications and data links. There is a clean room for preparing satellites for launch, a fully enclosed 17-story-tall rocket assembly building and two independent range and telemetry systems. 

Air Liquide S.A. is a French multinational company which supplies industrial gases and services to various industries ; this includes cryogenic propellants and cryogenic stages for launch vehicles.

Founded in 1902, it is currently (Nov. 2012) one of the world's largest suppliers of industrial gases by revenues, and has operations in over 80 countries. It is headquartered in Paris, France. It also has a major site in Japan, as well as in Houston, TX, and Newark, DE, USA.

references: 

• Space & Aeronautics (embarked systems)
• Cryogenics: cold for space