Space Tech Startups
856 companies tagged Space Tech, with their investors and founders.
Infinite Orbits is a NewSpace company providing in-orbit satellite services for geostationary operators, including asset inspection, satellite life extension, and end-of-life management. Its spacecraft are powered by an autonomous vision-based navigation solution.
4 investors
KMI develops in-space mobility and logistics services for satellites, including relocation, reorbiting, and removal of orbital hazards to extend mission life. The company is building spacecraft and capture technology to service and move unprepared objects in near-Earth orbit.
4 investors
Katalyst designs satellite upgrades and modules that can be deployed flexibly across different orbits via orbital transfer vehicles, robotic servicers, or pre-launch installation.
4 investors
Kawa operates a satellite constellation that collects radio frequency signals and provides geolocation intelligence for national security, maritime domain awareness, and land-based applications. The company delivers RF geospatial intelligence data and software tools to government and defense customers through its Kawa Studio platform.
4 investors
Klepsydra operates in the space technology sector. The page profiles a team member leading business development and sales efforts.
4 investors
Kymeta develops flat-panel satellite antennas and connectivity terminals, including its u5 and u8 product lines, that switch between LEO and GEO networks for mobile land and maritime use. It serves commercial customers as well as the U.S. Department of Defense and government agencies with communications hardware and managed connectivity services.
4 investors
Latitude develops launch vehicle technology to provide access to orbit, positioning itself in the European spaceflight industry. Founded in 2019, the company builds rockets aimed at making orbital access more flexible and affordable.
4 investors
Launcher develops the E-2 liquid rocket engine, a LOX/Kerosene oxidizer-rich staged combustion engine, sold as a product to launch vehicle companies. The engine is aimed at small launch vehicle applications.
4 investors
Lodestar is developing Mithril, an autonomous AI system intended to fly defensive satellites in orbit. The company plans to offer this as a service protecting high-value spacecraft belonging to satellite operators and defence customers.
4 investors
Lucix designs and manufactures RF electronic modules and assemblies for satellite payloads, airborne systems, and ground stations across commercial, civil, and defense applications. The company produces components spanning 10 MHz through V-band frequencies, all designed and manufactured in California facilities.
4 investors
Magdrive develops electric propulsion systems for satellites, specifically the Warlock thruster which uses metal propellant and plasma generation to deliver high thrust in a compact form factor. The system is designed for small satellites requiring precise orbital maneuvers and attitude control.
4 investors
Magma Space builds a precision operations platform for space missions, serving spacecraft operators and commercial space ventures.
4 investors
Melagen Labs develops MLC1, a proprietary hydrogen-based biomaterial polymer composite designed to shield space assets from cosmic and solar radiation for deep space exploration missions. The company offers radiation shielding materials and operates a radiation testing facility for the aerospace industry.
4 investors
Mentium Technologies designs ultra-low-power, radiation-tolerant Edge AI co-processors and an accompanying SDK for size-, weight-, and power-constrained systems such as satellites, spacecraft, drones, robotics, bodycams, and security devices. Its Luna co-processor family delivers endpoint AI inference at sub-watt power for space, defense, and IoT markets.
4 investors
Navier provides cloud-based engineering agents that automate simulation setup and workflows for hardware engineers in aerospace and defense, enabling faster design iterations without manual configuration overhead.
4 investors
Orbify offers a satellite intelligence platform that monitors vegetation threats, climate risks, and infrastructure changes for energy markets and the environmental sector. Its Earth Observation data helps organizations prevent outages, optimize maintenance, and stay compliant, starting with short pilot deployments on priority corridors.
4 investors
Orbital Matter designs and builds large rigid structures directly in orbit as an alternative to mechanical folding/deployable systems, targeting large-area elements such as solar arrays, radiators and antennas for satellite constellations, space data centers and multi-module space stations. Its approach constructs continuous monolithic booms in space rather than launching pre-folded hardware.
4 investors
Quantum Space builds the Ranger spacecraft platform, a highly maneuverable satellite designed to operate across LEO, MEO, GEO, and cislunar orbits with long operational life and on-orbit refueling. It targets national security and space defense customers including the U.S. Space Force and Department of War, as well as commercial space operators.
4 investors
Radical Aero builds StratoSats, autonomous solar-powered aircraft that operate at 65,000 feet for extended periods to deliver persistent high-performance infrastructure. The company develops stratospheric platforms for communication and data services.
4 investors
Resonance provides market intelligence, strategic advisory, due diligence, and marketing activation services focused on deep tech sectors such as quantum, space, and climate technologies. It serves corporations, investors, and public sector organizations making high-stakes decisions in emerging technology markets.
4 investors
Satleo Labs operates a constellation of low Earth orbit microsatellites with onboard edge computing and machine learning to capture high-resolution thermal (MWIR, LWIR, and visible band) imagery and temperature data. Its thermal intelligence serves sectors including agriculture, defense, climate science, weather forecasting, renewable energy, disaster management, and urban planning.
4 investors
Sedaro builds digital engineering and simulation infrastructure for national security missions, enabling complex systems to be designed, predicted, and decided upon with confidence through rigorous simulation.
4 investors
Skynopy operates an end-to-end ground station service that connects satellites to the cloud, using a hybrid network of timeshared antennas and its own proprietary ground stations orchestrated through a platform with virtualized modem technology. It serves satellite operators, offering higher data rates, reduced latency, and a single API for accessing ground networks.
4 investors
Space One is a Japanese company that provides small-rocket launch services for small satellites, aiming for the shortest contract-to-launch time and highest launch frequency using its own rockets and launch site. It develops space transportation systems to lower the cost of access to space for the commercial space industry.
4 investors

















