Hermeus develops hypersonic aircraft within the aerospace and defense industries. Its main offerings include the creation of aircraft capable of achieving Mach 5 speeds, designed to significantly reduce travel time for transatlantic flights and to provide solutions for national security challenges. The company's hybrid engine technology is a foundational element in achieving these high-speed capabilities. It was founded in 2018 and is based in Atlanta, Georgia.

Spike Aerospace is an aerospace company focused on the development of supersonic flight technologies within the aviation industry. The company creates supersonic jets that aim to provide quieter and more efficient air travel. Spike Aerospace's main offering is the Spike S-512 Supersonic Diplomat, a jet designed to reduce travel times while ensuring comfort for passengers. The company also works on improving the performance of subsonic aircraft for lower fuel consumption and reduced emissions. It was founded in 2012 and is based in Boston, Massachusetts.

Hypersonix Launch Systems specializes in hypersonic technology and scramjet engines within the aerospace engineering and design industry. The company's main offerings include hydrogen-fueled scramjet-powered autonomous aircraft capable of Mach 7 flight, utilizing three-dimensional printed metal alloys, and a cloud-based software-as-a-service digital twin for predictive analysis and global additive manufacturing. It primarily serves government and commercial customers in the aerospace sector. It was founded in 2019 and is based in Sydney, Australia.

Sylphaero specializes in the development of electric plasma jet engines within the aviation industry. The company's main innovation is the electrothermal engine technology that heats air to create plasma for propulsion, enabling aircraft to achieve high speeds without CO2 emissions. Sylphaero's engines are designed for various applications including civilian aircraft, military vehicles, and hypersonic transport. It was founded in 2021 and is based in Merignac, France.

Sichuan Province Airport Group focuses on airport operation and management within the civil aviation sector. The company provides services related to the operation of airports, including infrastructure development and management of civil aviation services. It is involved in the development of airport infrastructure and the management of airport operations. It was founded in 2004 and is based in Chengdu, China.

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.