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.

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.

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.

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.

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.

Skyrora is a private launch vehicle manufacturer focused on the small satellite market within the aerospace industry. The company offers a range of products including the Skyrora XL, a three-stage orbital launch vehicle designed to deliver payloads into Sun-Synchronous Orbit, and a suite of suborbital test rockets for avionics and systems testing. Skyrora also provides payload integration services and develops sustainable rocket fuels like Ecosene. It was founded in 2017 and is based in Glasgow, United Kingdom.