Space Tech Startups
856 companies tagged Space Tech, with their investors and founders.
Parsimoni builds SpaceOS, a payload operating system that enables satellite operators to monetize idle on-board compute capacity by safely running multiple applications with hardware-backed isolation. The platform allows operators to deploy, update, and manage satellite applications using familiar cloud development workflows.
1 investor
Passerine Aircraft develops electric-powered drones that use a jumping mechanism to reach flight speed. The company operates in the unmanned aircraft and drone hardware space.
1 investor
PD AeroSpace develops a fully reusable suborbital spaceplane powered by a patented engine that switches between jet and rocket combustion modes, aiming to build lower-cost space transportation infrastructure. The company also runs a spaceport business at Shimojishima Airport in Okinawa, Japan, targeting both space and terrestrial markets.
1 investor
Phenix Space develops field-upgradeable satellite systems that can be reconfigured or upgraded in orbit, aimed at satellite constellations used for Earth observation, telecommunications, and defense. The company focuses on making space systems adaptable and persistent rather than discarded and replaced.
1 investor
Picocom designs semiconductor SoCs, development boards, and 3GPP-compliant PHY software for 5G NR and LTE small cell Open RAN architectures. Its products target telecom equipment makers building disaggregated and integrated RAN systems that meet O-RAN Alliance specifications.
1 investor
The Planetary Society is a member-funded nonprofit that advances space science and exploration through space advocacy, education, and research, including efforts on Solar System discovery, the search for life beyond Earth, and asteroid impact defense. It engages members and supporters in space policy advocacy on issues such as NASA science funding and Mars sample return.
1 investor
Planetary Systems AI develops AI systems for space and satellite operations planning, serving government agencies, private companies, and businesses that need to integrate multiple data sources for decision-making in launch and orbital operations.
1 investor
Plasma Processes operates manufacturing facilities specializing in advanced materials processing and additive manufacturing technologies, serving aerospace and defense customers with capabilities including molten salt electrodeposition, plasma spray systems, and laser-based manufacturing.
1 investor
Plexus Aero provides a software data stack and monitoring platform designed for hardware fleets and physical systems. The platform enables teams managing drones, devices, and hardware-based systems to deploy, monitor, and debug their hardware similar to how software teams manage code deployments.
1 investor
PLT develops human tissue organoids produced in microgravity conditions for use in pharmaceutical testing, precision medicine, and transplantation research. The company manufactures these 3D tissue cultures from stem cells and is developing hardware for commercial-scale organoid production in space.
1 investor
Polaris Raumflugzeuge develops Aurora, a reusable spaceplane that combines aircraft and rocket technologies to deliver payloads to orbit and suborbital altitudes from conventional runways. The system is designed for small satellite launch, hypersonic transport, defense applications, and research missions with rapid turnaround and high reusability.
1 investor
POLARIS develops reusable spaceplanes designed to launch from airports and land horizontally, combined with a two-stage launch vehicle called AURORA for small and medium satellites. The company specializes in hypersonic flight technology and rocket engines for orbital and hypersonic missions.
1 investor
Prime Lightworks Inc. builds electric propulsion systems for space satellites, aiming to lower cost and waste in space operations.
1 investor
Primo Capital is an Italian independent alternative investments platform that runs venture funds across climate, health, digital, and space sectors. It operates multiple investment strategies and a portfolio of technology companies in Italy.
1 investor
Primus Aerospace manufactures precision machined and fabricated assemblies for the aerospace and defense industries, offering services from prototyping to high-volume production runs. The company serves major aerospace and defense manufacturers across North America, Europe, Asia, and the Middle East.
1 investor
Prince Industries is a precision manufacturing partner specializing in machining, sheet metal fabrication, welding, and assembly for defense, aerospace, space, and high-reliability industrial programs. The company supports customers from prototype and first-article production through to high-volume repeatable manufacturing.
1 investor
PromX builds distributed reactor infrastructure that converts methane and CO2 into valuable fuels and carbon products on-site, addressing greenhouse gas emissions and energy production.
1 investor
Promin Aerospace develops small orbital launch vehicles using proprietary gasification technology to eliminate space debris by consuming rocket engine tanks during flight. The company targets pico and nano satellite deployment with rapid launch timelines.
1 investor
Propel Space develops spacecraft mechanisms and provides engineering support services including mechanical and electrical design, systems and program management, and space environmental testing for spacecraft programs. It offers both in-depth and surge resource solutions for design, analysis, and testing.
1 investor
PTX provides engineering services and strategic materials technology to U.S. Federal customers in the aerospace and energy sectors, drawing on experience across commercial and Federal projects. It offers technical and project management capabilities for critical missions and national assets.
1 investor
Pythom develops lightweight, rapidly deployable rockets designed for affordable and flexible space access. The company operates in Sweden and the United States, focusing on launch systems for space industry applications including national security and defense capabilities.
1 investor
QEYnet is developing satellite-based quantum key distribution (QKD) using small, low-cost spacecraft and free-space optical technology to enable secure quantum communications. Founded by aerospace engineers and quantum communication researchers, the company aims to bring first-to-market satellite QKD for global quantum networking.
1 investor
Quantum Leap Research delivers intelligence analysis and strategic solutions for national defense, applying advanced technologies and foresight to security challenges. The company focuses on bringing private sector capabilities to defense and national security operations.
1 investor
QL Space builds custom Earth observation solutions that combine high-resolution satellite imagery, smart sensors, machine learning, and edge computing to deliver descriptive, diagnostic, and predictive analytics. It serves clients across industries including precision mining, agriculture monitoring, sustainability, supply chain mapping, disaster response, and infrastructure planning.
1 investor











