Best Space Launch Systems (SLSs) Companies

SpaceX specializes in the design, manufacture, and launch of advanced rockets and spacecraft. Its main offerings include the development of launch vehicles and spacecraft that facilitate cargo resupply missions to the International Space Station, as well as initiatives aimed at enabling human spaceflight and interplanetary travel. It primarily serves governmental space agencies and the commercial satellite industry. It was founded in 2002 and is based in Hawthorne, California.

Rocket Lab operates as a space company specializing in the launch of small satellites and providing space systems solutions. The company offers a range of services including the launch of the Electron and Neutron rockets, spacecraft design and manufacturing, and the supply of satellite components and power solutions. Rocket Lab's offerings cater to a variety of sectors within the space industry, including satellite constellation deployment and interplanetary missions. It was founded in 2006 and is based in Long Beach, California.

Blue Origin specializes in aerospace and spaceflight services, focusing on controlling the cost of access to space. It designs and manufactures reusable rocket engines, launch vehicles, in-space systems, and lunar landers to facilitate space exploration and development. Its primary market includes government and commercial entities in the space exploration and satellite deployment sectors. It was founded in 2000 and is based in Kent, Washington.

Firefly Aerospace focuses on end-to-end space transportation within the aerospace industry. The company offers a range of services including the launch of small- to medium-lift vehicles, lunar landers, and orbital vehicles designed to deliver payloads to the lunar surface and provide on-orbit servicing. These services cater to government and commercial customers seeking affordable, responsive, and reliable access to space. Firefly Aerospace was formerly known as EOS Launch. It was founded in 2014 and is based in Cedar Park, Texas.

Boeing operates as an aerospace company engaged in the manufacturing of commercial jetliners and defense, space, and security systems. The company includes commercial airplanes, military aircraft, satellites, and launch systems, as well as advanced technology solutions for global aerospace and defense. Boeing primarily serves the commercial aviation market, the defense sector, and space exploration initiatives. Boeing was formerly known as Boeing Airplane Company. It was founded in 1916 and is based in Arlington, Virginia.

Northrop Grumman provides technology solutions. The company offers a range of products and services including autonomous systems, C4ISR (Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance), strike capabilities, and logistics. The company primarily serves the government and military sectors. It was founded in 1939 and is based in Falls Church, Virginia.

ABL Space Systems focuses on aerospace manufacturing and services, specifically in the domain of space launch vehicles. The company specializes in the development and production of rockets designed to provide small satellite launch services. ABL Space Systems primarily serves the satellite communications industry, offering reliable access to orbit for small satellites. It was founded in 2017 and is based in El Segundo, California.

Gilmour Space Technologies focuses on space technology, specifically in the domain of launch services. The company's main offerings include the development and launch of rockets and satellite platforms, providing access to Low Earth Orbits. Its primary customers are in the commercial and defense sectors. It was founded in 2012 and is based in Gold Coast, Australia.

Isar Aerospace specializes in the development of launch vehicles for the aerospace industry. The company offers a two-stage launch vehicle, Spectrum, designed to provide access to space for small and medium-sized satellites. Isar Aerospace primarily serves the satellite launch sector, offering dedicated, lead, and rideshare configurations to accommodate various customer needs. It was founded in 2018 and is based in Ottobrunn, Germany.

Mitsubishi Heavy Industries is a global leader in the industrial sector, focusing on energy, logistics & infrastructure, industrial machinery, aerospace, and defense. The company offers a wide range of products and services, including power generation systems, aerospace technology, defense equipment, and solutions for environmental sustainability. Mitsubishi Heavy Industries serves various sectors, including power & energy, urban infrastructure, and logistics, with a strong emphasis on innovation and environmental responsibility. It was founded in 1884 and is based in Tokyo, Japan.

PLD Space develops reusable rocket technologies within the aerospace industry. The company offers commercial orbital and suborbital access to small satellites. Their primary market is the commercial space industry. It was founded in 2011 and is based in Alicante, Spain.

Relativity operates as a commercial launch company focused on the aerospace industry. The company specializes in providing launch services using reusable rockets and manages additive manufacturing to reduce vehicle complexity and production costs. Relativity primarily serves the growing space infrastructure sector with its launch capabilities. It was founded in 2016 and is based in Long Beach, California.

Rocket Factory Augsburg specializes in the development of high-performance, low-cost rockets within the space industry. Their RFA ONE launch system, equipped with efficient staged combustion engines, offers satellite deployment services to a range of orbits, including LEO, MEO, HEO, GTO, GEO, and the cislunar domain. The company's Redshift OTV provides precise payload positioning, enhancing their launch service offerings. It was founded in 2018 and is based in Augsburg, Germany.

United Launch Alliance specializes in space launch services, providing reliable access to space with a focus on advanced rocket technology. The company offers a range of rockets, including the next-generation Vulcan, as well as the Atlas V, Delta IV, and Delta II, which are designed to deliver payloads into orbit with precision and reliability. United Launch Alliance primarily serves the needs of commercial spaceflight, national defense, and scientific research sectors. It was founded in 2006 and is based in Englewood, Colorado.

Voyager Space is a space exploration company focused on providing infrastructure and technological solutions for the space industry. The company offers a range of services including satellite deployment, low-Earth orbit research, and the development of spacecraft subsystems and propulsion technologies. Voyager Space caters to commercial customers, civil and national security agencies, and academic and research institutions. It was founded in 2019 and is based in Denver, Colorado.