Blue Origin is a company focused on space exploration and technology within the aerospace industry. The company develops reusable rocket engines, launch vehicles, in-space systems, and lunar landers. Blue Origin primarily serves the commercial spaceflight and space exploration sectors. It was founded in 2000 and is based in Kirkland, Washington.

Exos Aerospace specializes in suborbital space access and operates within the aerospace industry. The company provides launch services using reusable rockets and offers options for orbital transfer and space transportation, utilizing Type 5 carbon composite tanks. It serves sectors that require space access for scientific, educational, and exploratory purposes. It was founded in 2014 and is based in Greenville, Texas.

United Launch Alliance is a company that provides launch services for space missions, operating in the aerospace sector. The company offers rocket launch services, including the transportation of satellites, crew, and cargo to various orbits, using its fleet of rockets such as Vulcan, Atlas V, and Delta IV. ULA serves the aerospace industry, including commercial, military, and government space missions. It was founded in 2006 and is based in Englewood, Colorado.

Orbital ATK focuses on aerospace and defense and provides systems and services for space-related applications. The company offers a range of products, including space launch vehicles, satellite components, and missile defense systems. Orbital ATK serves various sectors, including government and commercial space and defense markets. Orbital ATK was formerly known as Orbital ATK. It was founded in 2015 and is based in Dulles, Virginia. Orbital ATK operates as a subsidiary of Northrop Grumman.

Pythom Space operates within the aerospace industry, developing rockets, landers, and spaceships. The company focuses on orbital and interplanetary missions, including reusable rockets for satellite launches and in-space manufacturing, as well as landers and spaceships. It was founded in 2020 and is based in Bishop, California.

Relativity Space operates a commercial launch company that focuses 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 Space primarily serves the space infrastructure sector with its launch capabilities. It was founded in 2015 and is based in Long Beach, California.