Space Hardware
Subsegment
Company scale
Propulsion
1301
Aerojet RocketdyneManufacturer of rocket engines and propulsion systems, supplying RL10 LH2/LOX engines for ULA Centaur upper stages on Vulcan Centaur, Atlas V, and Delta IV; long-term partner supporting missions including Amazon Project Kuiper.
Rocket propulsion systems manufacturer for launch vehicles and spacecraft1 · Industry leader02Apollo FusionApollo Fusion developed the Apollo Constellation Engine (ACE), an integrated Hall-effect electric propulsion system for satellites. The company was acquired by Astra in 2021 and its propulsion capability became part of Astra’s satellite-engine business.
Electric-propulsion-system developer and supplier for satellite and orbital-transfer-vehicle applications; its capabilities were acquired and internalized by Astra.1 · Industry leader03AstraU.S. commercial-space company developing the Rocket 4 tactically responsive launch system and manufacturing Astra Satellite Engines for satellite operators and spacecraft builders.
Dedicated small-launch provider and satellite electric-propulsion manufacturer1 · Industry leader04Benchmark Space SystemsPrivate U.S. developer and manufacturer of non-toxic chemical, electric, and hybrid spacecraft propulsion systems, propulsion avionics, transfer-stage concepts, and related mission services.
In-space mobility, spacecraft-propulsion, and space-logistics provider1 · Industry leader05Dawn AerospaceNew Zealand- and Netherlands-based aerospace company producing satellite propulsion systems and reusable spaceplane technology.
Developer of spacecraft propulsion systems and space-transport vehicles.1 · Industry leader06L3Harris TechnologiesPublic aerospace and defense company supplying space optical systems, Earth-observation instruments, propulsion, launch avionics, satellite payloads and missile-tracking spacecraft; it internalized Aerojet Rocketdyne propulsion capabilities in 2023.
Integrated space-systems prime and subsystem supplier1 · Industry leader07Lanteris Space SystemsPalo Alto-based spacecraft manufacturer formerly known as Maxar Space Systems. It builds commercial, civil-space, and national-security spacecraft, including GEO communications satellites, proliferated LEO platforms, and NASA Gateway's Power and Propulsion Element.
Spacecraft prime contractor and manufacturer of satellite platforms, mission systems, and space infrastructure.1 · Industry leader08NammoNordic defence and aerospace manufacturer that developed hybrid rocket engines used on named Andøya Space sounding rockets.
Propulsion, ammunition, and aerospace-motor manufacturer.1 · Industry leader09Northrop GrummanPublic U.S. aerospace and defense company that designs, manufactures and operates spacecraft, satellite buses and payloads, Cygnus cargo vehicles, in-space servicing systems, and solid-rocket propulsion.
Integrated spacecraft, satellite-servicing, launch-propulsion and space-logistics prime contractor1 · Industry leader10OHB SwedenSwedish OHB group company participating in the ADRIOS ClearSpace-1 industrial consortium.
Satellite and space-systems engineering company1 · Industry leader11Rolls-RoyceDevelops nuclear micro-reactors for space power generation and propulsion, including lunar surface applications and satellite operations, with additive manufacturing expertise via MTC collaboration.
Nuclear micro-reactor developer for space power and propulsion1 · Industry leader12Safran S.A.French multinational aerospace and defense corporation providing space propulsion systems, navigation/timing equipment, and PNT hardware; timing/receiver partner validating compatibility with Xona Pulsar LEO-PNT signals via Skydel simulators.
Space navigation, timing, and propulsion systems provider; Pulsar Verified ecosystem partner1 · Industry leader13Velo3DPublic U.S. manufacturer of Sapphire laser-powder-bed-fusion printers, Flow print-preparation software, Assure quality software, and Rapid Production Solution (RPS) manufacturing services. Its commercial-space role is to supply/additively manufacture propulsion, spacecraft, and launch-vehicle components for space-sector customers.
Metal additive-manufacturing technology and production-services provider for complex aerospace and space hardware.1 · Industry leader