United States

3

3H Communication Systems PRIVATE

operating

RF and microwave filter manufacturer for military, commercial, and satellite applications

A

AST SpaceMobile PUBLIC

operating

Operates a space-based cellular broadband network delivering 4G and 5G connectivity directly to standard smartphones via LEO satellites

A

ATLAS Space Operations PRIVATE

operating

Operates a cloud-native federated ground station network providing Ground Software as a Service for satellite telemetry, tracking, and command

A

Aalyria PRIVATE

operating

Develops network orchestration software and laser communication terminals that unify satellite, airborne, maritime, and ground networks into a single managed system

A

Advanced Space PRIVATE

operating

Space mission software and services provider — astrodynamics, flight dynamics, and turn-key missions

A

AirLaunch PRIVATE

operating

Developer of the QuickReach air-launched small satellite vehicle for the DARPA/USAF Falcon SLV program

A

Airbus U.S. Space & Defense PRIVATE

operating

U.S.-based Airbus subsidiary offering satellites, military helicopters, unmanned systems, and defense solutions to U.S

A

Albedo PRIVATE

operating

Designs and manufactures flight-proven Very Low Earth Orbit satellite buses for defense, communications, and specialized payload operators

A

Amazon PUBLIC

operating

Multinational e-commerce, cloud computing, and AI company founded in 1994 by Jeff Bezos

A

Amentum PUBLIC

operating

Government services contractor delivering engineering, project management, and solutions for defense, security, and

A

Antaris PRIVATE

operating

Provides a cloud-based software platform for satellite mission design, digital twin simulation, flight software, and constellation operations

A

Apex PRIVATE

operating

Designs and mass-manufactures standardized satellite bus platforms for commercial and government constellation deployments across LEO, MEO, and GEO orbits

A

Apolink PRIVATE

operating

LEO satellite relay constellation providing universal, always-on inter-satellite connectivity

A

Aptos Orbital PRIVATE

operating

Space-hardened AI computing and RF mesh networking terminal for satellites and spacecraft

A

Astra Space PRIVATE

operating

Develops small-lift launch vehicles with mobile launch infrastructure and manufactures Hall-effect electric propulsion systems for satellite constellations

A

Astranis PRIVATE

operating

Builds small geostationary communications satellites for dedicated regional broadband and leases them to customers as a service

A

AstroComm PRIVATE

operating

Satellite and RF communication solutions focused on high-efficiency Solid State Power Amplifiers

A

AstroForge PRIVATE

operating

Develops spacecraft and in-situ refining technology to extract and process platinum group metals from metallic near-Earth asteroids

A

Astrobotic Technology PRIVATE

operating

Develops lunar landers, rovers, surface power systems, and reusable suborbital rockets for payload delivery and infrastructure on the Moon

A

Astrolab PRIVATE

operating

Designing and operating commercial planetary rovers for lunar and Mars surface mobility

A

Atomos Space PRIVATE

operating

Develops orbital transfer vehicles for in-space transportation, satellite life extension, and payload delivery services

A

AvL Technologies PRIVATE

operating

Designer and manufacturer of mobile and fixed satellite antenna systems, 60cm to 5.0M

A

Axiom Space PRIVATE

operating

Develops commercial space station modules, operates private astronaut missions to the ISS, and produces next-generation EVA spacesuits

B

Bascom Hunter PRIVATE

operating

AS9100-certified aerospace & defense electronics, thermal management, and RF systems developer

B

Benchmark Space Systems PRIVATE

operating

Designs and manufactures chemical, electric, and hybrid propulsion systems for spacecraft ranging from cubesats to orbital transfer vehicles