Space Tech Startups
706 companies tagged Space Tech, with their investors and founders.
Astranis manufactures small, high-powered geosynchronous satellites equipped with advanced digital processing technology for global telecommunications and connectivity services.
34 investors
Stoke Space develops fully reusable rockets for space transportation and mobility services. The company focuses on rapid iteration from prototype to launch, with a mission to enable seamless mobility to, through, and from space.
30 investors
Varda industrializes low Earth orbit by manufacturing pharmaceuticals and other specialized products in space, then returning them to Earth via reusable reentry capsules. The company develops both in-space production infrastructure and the vehicles needed to support commercial orbital manufacturing.
27 investors
Boom Supersonic develops supersonic aircraft and engines, including the Overture commercial airliner and the Symphony turbofan engine, targeting commercial aviation and advanced infrastructure applications.
23 investors
Axiom Space develops commercial space stations and provides access to low-Earth orbit microgravity environments for research, manufacturing, and innovation by governments, researchers, and organizations.
22 investors
Starcloud is a deep-tech company building large-scale data center infrastructure designed to operate in space. Its team comes from aerospace and cloud-hardware backgrounds including SpaceX, Amazon's Leo satellite constellation, Microsoft Azure, and fusion energy programs.
22 investors
Planet operates a web-geo platform that provides daily satellite imagery and foundational analytics of Earth's landmass for businesses, governments, and research institutions. The company serves customers across agriculture, defense, and other sectors seeking to monitor global change, scale operations, and mitigate risk through satellite data and APIs.
19 investors
Loft Orbital operates space infrastructure, providing satellites equipped with sensing resources, onboard edge compute, and connectivity that let customers run missions without deploying their own hardware. It serves commercial and government customers, including national security stakeholders, through virtual missions on its satellite constellation.
18 investors
True Anomaly designs and builds hardware and software systems for space security and defense. The company serves military and government space forces with technologies for on-orbit operations and counterspace capabilities.
18 investors
Turion builds space infrastructure including vehicles, mission software, and payloads for tactical space operations, orbital logistics, and space domain awareness. The company operates satellites in orbit, offers mission planning software and constellation management, and is developing resource extraction technology for asteroid mining.
18 investors
REGENT designs and manufactures Seaglider wing-in-ground-effect aircraft for regional coastal transportation and defense logistics, offering high-speed zero-emission travel between coastal cities and military applications.
17 investors
Relativity Space develops Terran R, a reusable medium-to-heavy-lift rocket designed for efficiency and scalability, serving government entities, telecommunications companies, and commercial customers for space access missions. The company focuses on making space exploration more accessible, reliable, and sustainable.
17 investors
Orbit Fab builds the in-space propellant supply chain, offering commercial spacecraft refueling services and standardized refueling interfaces to enable reusable spacecraft and a sustainable space economy. The company serves commercial space operators, government space agencies, and satellite manufacturers globally.
15 investors
Xona Space Systems operates Pulsar, a positioning, navigation, and timing (PNT) service delivered from a constellation of small satellites in Low Earth Orbit that broadcasts a new signal to augment or replace GPS. The service can upgrade existing GPS devices to centimeter-level accuracy via software and targets systems requiring high-integrity, resilient navigation across many use cases.
15 investors
Akash Systems develops Diamond Cooling (GaN-on-Diamond) semiconductor technology, applying it to space-qualified satellite radios and diamond-cooled servers, including AMD Instinct MI350X servers. The company builds materials-science-based thermal management products for satellite communications and data center/cloud computing applications.
14 investors
Apex manufactures productized satellite bus platforms at scale for constellation deployment and critical missions. The company provides standardized, configurable spacecraft designed to reduce production timelines and cost while serving U.S. and allied space operators across multiple orbital regimes.
14 investors
Impulse Space develops in-space mobility infrastructure and spacecraft, enabling transportation and logistics between Earth orbit, the Moon, and Mars. The company serves commercial, defense, and scientific customers seeking reliable and affordable orbital mobility solutions.
14 investors
Array Labs develops radar technology for aerospace and other leading industries. The company focuses on systems engineering, software development, and radar systems innovation.
13 investors
D-Orbit provides space logistics infrastructure and transportation services including satellite launch deployment, on-orbit servicing, refueling, and end-of-mission disposal using its proprietary ION Satellite Carrier orbital transfer vehicle. The company serves satellite operators and space service providers in the commercial space industry.
13 investors
Starfish Space develops Otter, an autonomous satellite servicing vehicle that uses electric propulsion to dock with satellites for life extension and disposal. The company is working to make satellite servicing in orbit more affordable and is validating its docking technology in low Earth orbit.
13 investors
The Exploration Company develops reusable space transportation infrastructure, including a capsule system for space station logistics and rocket engines. The company serves space agencies, commercial space operators, and enables broader participation in space-based commerce and infrastructure.
13 investors
Zeno develops nuclear batteries that convert heat from decaying radioisotopes into electricity for extended-duration applications in space and deep-sea environments where conventional power sources are inadequate. The batteries are designed for frontier missions requiring reliable power without refueling or maintenance for years.
13 investors
Agnikul builds low-cost orbital launch vehicles powered by single-piece 3D-printed semi-cryogenic engines, offering dedicated small-payload launches from a mobile launchpad. It serves satellite operators seeking flexible, on-demand access to orbit.
12 investors
Astromecha designs engines, airframes, and flight systems for next-generation aerospace applications, including supersonic aircraft. The company develops propulsion and structural technologies for the modern aviation industry.
12 investors