Space Tech Startups
845 companies tagged Space Tech, with their investors and founders.
Muon Space designs, builds, and operates satellite constellations using its proprietary Halo technology stack, which integrates spacecraft platforms, payload integration, and software-defined orchestration to deliver data and enable real-time computation in space. The company serves commercial and national security customers from its facilities in Silicon Valley.
13 investors
Near Space Labs provides high-resolution 7cm geospatial imagery captured from stratospheric altitudes, serving government, utilities, insurance, and environmental monitoring applications with frequent data refresh cycles and wide-scale coverage.
13 investors
Umbra designs, builds, tests, and operates satellite systems with precision radar imagery capabilities for space-based missions and intelligence applications. The company provides end-to-end spacecraft and sensor solutions for government and defense customers globally.
13 investors
BioOrbit produces pharmaceutical-grade crystals in microgravity environments via space-based facilities, enabling development of biologic drugs and treatments for patients. The company bridges orbital research with terrestrial medicine to make advanced pharmaceutical manufacturing accessible beyond hospital settings.
12 investors
Icarus designs and manufactures solar-powered autonomous aircraft that fly for months at the edge of space. The company serves applications requiring long-duration stratospheric surveillance and monitoring.
12 investors
Xplore provides space infrastructure and satellite operations services to commercial, government, and nonprofit organizations. The company offers space as a service, including satellite command and control software through its Major Tom platform.
12 investors
CesiumAstro builds active phased array communications systems and software-defined payloads for space and defense applications, including inter-satellite crosslinks, downlinks, and 5G non-terrestrial network connectivity. Its products serve spacecraft constellations, airborne, and terrestrial platforms with multi-beam, multi-orbit connectivity.
11 investors
Charter Space builds software and insurance infrastructure for spacecraft programs, including an AI-assisted space underwriting platform.
11 investors
LeoLabs operates a network of ground-based radars and an AI-enabled cloud platform that tracks and maps objects and activity in low Earth orbit. It provides space domain awareness, space traffic management, and launch and operations support such as collision avoidance and threat monitoring for satellite operators and defense customers.
11 investors
Lux Aeterna designs and builds reusable satellites to enable defense, intelligence, commercial, and in-space manufacturing customers to conduct space operations more efficiently. The company is developing a fleet of reusable spacecraft as the foundation for a circular space economy.
11 investors
A space transportation and infrastructure services company providing launch capabilities and orbital logistics for satellites and cargo.
11 investors
Overview Energy develops space-based solar power systems that beam energy from space to Earth, drawing on expertise in aerospace, energy systems, and manufacturing. The company operates in the energy and space technology sector.
11 investors
Oxford Space Systems designs and manufactures deployable antennas for satellites, focused on reducing mass and improving stowage efficiency and performance. It serves the space industry and satellite services market.
11 investors
Satellite Vu captures thermal imagery from space for applications including environmental monitoring and infrastructure assessment. The company provides high-resolution nighttime and daytime thermal data with web-based and API access for customers analyzing heat signatures on Earth.
11 investors
Space Forge develops high-quality substrates for semiconductor applications, using microgravity manufacturing in space to reduce material defects and produce higher-purity, higher-performance materials. It targets next-generation semiconductor makers with an advanced materials focus.
11 investors
Transcelestial provides laser-based free-space optics (FSO) communications hardware for restoring network connectivity after disasters, offered as a portable, self-contained kit. It targets telcos, government agencies, utilities, municipalities, NGOs, and OEM vendors.
11 investors
ElevationSpace develops small-satellite re-entry and recovery technology to return the results of in-orbit experiments to Earth, aiming to build an orbital transport network for people and goods. Based in Japan, it is developing "Aoba," described as Japan's first private-led re-entry satellite, carrying experiment payloads for companies such as Euglena.
11 investors
Argospace provides launch and transportation services for spacecraft and satellites beyond low Earth orbit (LEO), including cislunar and interplanetary missions. The company operates reusable vehicles with dual-mode propulsion to serve satellite operators, space agencies, and exploration missions.
10 investors
H3X designs and manufactures advanced electric motors for industrial applications. The company operates a full-stack engineering facility with in-house manufacturing capabilities including CNC machining, power electronics labs, and test cells.
10 investors
Max Space builds expandable space habitats designed to be deployed in Earth orbit and on the Moon and Mars, aiming to provide large-scale habitable structures in space. The company positions itself as a builder of "space real estate" for extending human presence beyond Earth.
10 investors
Orbital Ops develops propulsion systems and related aerospace hardware for airborne vehicles. The company draws on deep expertise in turbomachinery and propulsion integration.
10 investors
Outpost is an advisory and operations team of space-industry veterans that helps space companies grow from concept through scale-up, acquisition, and IPO. It draws on experience flying spacecraft, building in-space manufacturing, and human spaceflight to apply space technology to problems on Earth.
10 investors
Satellites on Fire combines satellite data and tower-mounted cameras with artificial intelligence to detect and monitor wildfires earlier than traditional satellite systems. The platform serves fire management agencies, forestry operators, and emergency responders across Latin America.
10 investors
Satellogic provides geospatial imagery and Earth Observation data from its satellite constellation, and runs programs that supply free imagery and developer resources to researchers, academic institutions, and humanitarian agencies. Its data supports disaster response, damage assessment, food security, and climate monitoring efforts.
10 investors




















