Orbital ATK is a company focused on aerospace and defense, providing 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.

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.

Exos Aerospace specializes in the development of reusable space launch vehicles within the aerospace industry. The company offers commercial spaceflight services with a focus on providing customers with access to space for microgravity experiments and payload deployment. It primarily serves sectors that require suborbital technology demonstrations and research in biological, pharmaceutical, medical, and space manufacturing fields. It was founded in 2014 and is based in Greenville, Texas.

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.

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.

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.