Space Exploration Startups
19 companies tagged Space Exploration, 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
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
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
Epsilon3 provides a software platform for creating, reviewing, and executing operational procedures, serving teams that need to develop and iterate processes at scale.
9 investors
A space transportation and infrastructure services company providing launch capabilities and orbital logistics for satellites and cargo.
8 investors
AstroForge builds low-cost spacecraft for tracking and mining metal-rich asteroids in deep space, targeting platinum group metals extraction for industrial and space applications.
6 investors
Epic Aerospace builds Orbit Transfer Vehicles (space tugs) that enable satellites to be deployed to any orbital destination from shared launch vehicles and to move within space. The company provides infrastructure and end-to-end support services for satellite missions.
5 investors
A company that repurposes Earth observation satellites using software to capture images of other orbiting satellites for government and defense customers.
4 investors
Care Weather operates a low-cost flat-panel radar satellite system that gathers high-precision weather observations for governments and maritime shipping operators. The satellite design achieves cost advantages through vertical integration, improved power generation, and orbital positioning closer to Earth's surface.
3 investors
Quindar provides ground software for satellite operations monitoring and automation, serving governments and defense organizations in the space sector.
3 investors
Spaceium builds in-orbit refueling stations that store fuel and supply it to spacecraft, aiming to enable longer missions, larger payloads, and farther travel. The company operates in the space infrastructure sector.
3 investors
SpaceRyde develops reusable spacecraft that deploy via stratospheric balloon and establish an orbital network to perform cargo transport and on-demand in-space services such as refueling, deep-space missions, and debris removal. The company targets commercial space operators and satellite providers seeking cost-effective launch and logistics infrastructure.
3 investors
Tesseract designs and manufactures spacecraft propulsion hardware, including off-the-shelf thrusters, multi-thruster modules, and complete propulsion systems for space missions. The company prioritizes low-toxicity green propellants, cost-effective manufacturing, and flight-qualified reliability for aerospace applications.
2 investors
TransAstra develops propulsion systems and telescope technology for space operations. The company's Omnivore propulsion system uses concentrated sunlight to power spacecraft with various propellants, while its Sutter Telescope System locates asteroids, orbital debris, and fast-moving objects for commercial and defense applications.
2 investors
Bagaveev Corporation develops small launch vehicles powered by 3D-printed aerospike rocket engines, building a roughly 3-ton rocket to carry 10-12 kg nanosatellites into low Earth orbit and Sun-synchronous orbit. It serves customers in the aerospace and satellite launch industry.
1 investor
Exosat designs and builds low-Earth-orbit satellite constellations for sovereign operators, offering direct-to-cell, IoT, and broadband connectivity. It uses ITAR/EAR-free supply chains to let operators lease network capacity or buy turnkey constellations, serving enterprise customers across sectors like maritime, aviation, logistics, and agriculture.
1 investor
Instinct Space develops lunar lander and orbital transfer vehicles to deliver cargo to the Moon, enabling rideshare-style launches from any orbit and landing payloads on the lunar surface.
1 investor
Pacific builds modular, containerized supercomputers ("pods") that deploy onto stalled construction sites with existing grid connections to provide AI compute infrastructure. It offers below-market hosted compute (GPU hours, tokens, training capacity) as well as managed on-premise pods for defense and regulated (CUI, CMMC) customers, including aerospace companies.
1 investor