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 specialises in suborbital space access within the aerospace industry, providing launches using reusable rockets. The company offers space solutions, including orbital transfer and transportation services, utilising Type 5 carbon composite tanks as an alternative for space missions. Exos Aerospace primarily serves sectors that require space access for payload delivery and scientific exploration. 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.

Space Walker is a Japanese university start-up focused on the development of manned and unmanned suborbital spaceplanes within the aerospace industry. The company specializes in the creation of spaceplanes that are designed for suborbital flights, leveraging heritage technologies and research from previous space vehicle projects. Space Walker's offerings cater to the aerospace sector, with applications potentially extending to space tourism, research, and commercial spaceflight. It was founded in 2017 and is based in Tokyo, Japan.

Dawn Aerospace focuses on aerospace technology. It specializes in satellite propulsion and space launch systems. The company offers green propulsion systems for various satellite classes and a suborbital spaceplane designed for frequent, horizontal takeoffs and landings. Dawn Aerospace primarily serves the space industry, providing scalable and sustainable access to space. It was founded in 2017 and is based in Christchurch, New Zealand.