Space Tech Startups

Infinite Frontiers publishes newsletters covering deep tech topics such as space technology, defense, quantum computing, and artificial intelligence. Its content includes coverage of satellite manufacturing, semiconductor fabrication, and AI security developments.

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

Involve Space is an Italian company developing autonomous high-altitude and stratospheric platforms for real-time Earth observation and environmental/disaster monitoring. It operates in the space technology sector and has received Italian and European public funding for these projects.

1 investor

iRocket (Innovative Rocket Technologies Inc.) develops next-generation reusable rockets and advanced propulsion technology for aerospace and defense customers, including work with the U.S. Department of Defense. The company provides responsive launch and propulsion systems and is based in New York.

1 investor

Karman Line develops the ground-based infrastructure around spaceports—including workforce housing, shared-use industry facilities, and public visitor experiences—and manages a real-assets fund investing in spaceport corridors. Operating first at Cape Canaveral in Florida, it serves space operators, communities, and accredited/institutional capital partners.

1 investor

Katalyst Space builds NEXUS, a multi-mission robotic spacecraft that can maneuver, transfer between orbits, dock with satellites, and perform robotic servicing, including grappling satellites not originally designed for docking. The spacecraft uses a patented Split Stewart Platform robotic arm, a sensor and optics suite for rendezvous and proximity operations, and a high-power bus with collapsible solar arrays for propulsion.

1 investor

Kencoa Aerospace is a total solution provider spanning aviation raw material supply, parts manufacturing, structural assembly, military aircraft depot maintenance, and drone R&D. It serves the global aerospace and defense industry, including work such as Airbus cargo plane conversion programs.

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Kreios Space develops a propulsion system for satellites operating in Very Low Earth Orbit (VLEO), using air and solar power without onboard fuel tanks to sustain continuous operations and counter atmospheric drag. Its technology targets satellite applications in Earth observation, security, and telecommunications.

1 investor

LambdAI Space applies physics-guided AI to radar and optical satellite imagery to produce Earth-observation insights for insurers, agriculture businesses, and financial services firms. Its offering covers risk and claims management, crop monitoring, physical asset monitoring, and ESG and climate-risk analysis at scales from single assets to thousands of locations.

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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.

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Lemu is a Nature Intelligence company whose Atlas platform combines ecological science, satellite hyperspectral imagery, and AI to help organizations measure, monitor, and manage biodiversity, carbon, and ecological risk across landscapes. It serves businesses needing to comply with environmental regulations and act on nature-related data, and operates its own biodiversity-focused satellite (Lemu Nge). Headquartered in Frutillar, Chile.

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Letara develops hybrid propulsion systems for small satellites, focused on compact, safe, and affordable "last-mile" in-space transportation. The company builds throttleable hybrid engines for spacecraft operators and is based in Sapporo, Japan.

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LIG (defense & aerospace) develops precision strike systems and electronics for land, sea, and air military applications, including detection, tracking, and target-strike capabilities, naval surveillance and early-warning systems, and electronic warfare technologies. It also produces high-performance electronic equipment and drones for manned and unmanned aircraft, along with manned-unmanned teaming combat solutions.

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Little Place Labs develops insights from space-based technologies to support decision-makers addressing global challenges. The company applies satellite and space-derived data to environmental, security, and climate-related problems.

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Lift Me Off (LMO) designs propulsion systems and fluidic technologies for spacecraft, offering chemical, cold gas, and electric propulsion products for spacecraft maneuvering. The company serves the space industry with mission-proven propulsion hardware.

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Lockheed Martin is a defense and aerospace company that develops military aircraft and advanced technology systems for government and defense customers. Its work includes programs such as the F-35 fighter jet and experimental aircraft developed through its Skunk Works division.

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Lucid Circuit develops radiation-tolerant, energy-efficient high-performance processors and chip-development tools for edge computing in applications such as medical devices, drones, autonomous vehicles, VR headsets, and mobile communication. It also builds predictive modeling and machine-learning software to identify chip vulnerabilities before fabrication.

1 investor

Lucix designs, manufactures, and tests active and passive RF payload hardware and integrated subsystems for satellite communications across GEO, MEO, and LEO orbits, serving space and defense/commercial customers. Its product range spans frequency converters, amplifiers, oscillators, multiplexers, filters, and transceivers operating from 0.01 to 70 GHz.

1 investor

Lumi Space provides orbit determination as a service, offering high-accuracy satellite tracking data for space operators. Its data supports applications such as collision avoidance, constellation management, positioning/navigation/timing, active debris removal, and re-entry prediction.

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Lunar Resources Registry (LRR) is an early-stage lunar mining exploration company that builds geospatial databases and interactive maps of human activity and resource locations on the Moon, and offers a lunar resources registration service and space legal framework. It uses remote sensing to identify sites rich in resources such as platinum group metals, Helium-3 and water, serving clients building space resources missions and operations.

1 investor

LYRASENSE is a workspace for building satellite-powered applications, providing pre-indexed Earth observation data, agentic AI tools, and pre-built analysis templates so users can go from a query to a deployed dashboard, report, or app without geospatial expertise. It serves analysts and organizations in fields such as energy, mining, telecom, agriculture, and maritime for tasks like emissions monitoring, vessel detection, and infrastructure analysis.

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Magdrive develops high-thrust electric plasma propulsion systems for satellites and spacecraft, aimed at operators running missions in low Earth orbit and deep space. The company builds a family of storable electric thrusters for the space industry.

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Mandala Space Ventures is a venture studio and venture fund that builds and invests in space technology companies, partnering with founders to incubate ventures around IP from institutions like Caltech and JPL. It provides incubation, technical advisory services, and acceleration support to early-stage space companies.

1 investor

Mantis Space is a space utility company focused on delivering more energy to satellites and other assets in low earth orbit. It aims to support the growth of the space economy.

1 investor