Space Tech Startups

NewSpace Capital is a private equity firm focused on the space sector, investing in growth-stage deep-tech companies in the supply chain and downstream segments of the space market. It targets businesses with existing revenues that enable space technology and provide space-based applications for customers on Earth.

1 investor

Nexteon develops flight optimization and air surveillance technology for the aviation industry. The company offers automatic rerouting solutions for carriers and advanced data security systems for air navigation service providers and defense agencies.

1 investor

Northrop Grumman is a defense contractor developing military systems including missile defense, command and control, counter-drone (C-UAS) defense, aircraft, and autonomous aircraft technologies. It serves defense and government/military customers.

1 investor

NSLComm develops and operates satellite communication systems and networks. The company brings together expertise in space technology development and satellite operations serving commercial and defense markets.

1 investor

NxGSat develops 5G non-terrestrial network (NTN) satellite communications technology based on open standards, offering cloud-native, software-defined systems that run on commercial off-the-shelf hardware. Its products target fixed and mobility use cases across land, sea, and air, with support for LEO, MEO, and GEO orbits.

1 investor

O Analytics provides senior consulting services focused on analytical discovery, delivered by professionals with doctoral or master's degrees in STEM disciplines.

1 investor

A company engineering humanoid robots designed for industrial work, manufactured in Japan and built for global deployment across sectors facing workforce shortages.

1 investor

Odyssey builds orbital supercomputers designed to run AI training and inference workloads in space, using a space-native compute architecture intended to avoid the power, water, and buildout constraints of Earth-based data centers. Its offerings target AI labs, researchers, satellite operators, and scientific users needing large-scale compute for applications such as Earth-observation processing, climate, genomics, astronomy, and materials research.

1 investor

Odyssey develops space-based compute infrastructure, launching orbital supercomputers designed to deliver high-density, energy-efficient computing for AI workloads. The company builds a constellation of purpose-built space vehicles that operate as a distributed compute network, enabling large-scale AI training, inference, and specialized scientific workloads that cannot be accommodated by Earth-based infrastructure.

1 investor

OKAPI:Orbits provides a space situational awareness platform that fuses fragmented orbital data into decision-ready intelligence for the full satellite lifecycle, covering mission design, collision avoidance, operator coordination, flight dynamics, and end-of-life disposal. It serves satellite operators, government and defense organizations, and insurers, and can be run on-premise or as a cloud service hosted in Germany.

1 investor

Okulo Aerospace provides UAV/drone-based aerial survey and inspection services across industries including solar parks, construction and infrastructure, oil and gas, mining, and environmental monitoring. Its offerings include thermal imaging, 3D modeling, and real-time data reporting for asset monitoring, safety compliance, and site surveying.

1 investor

Omnispace develops satellite-based connectivity that delivers next-generation mobile service, spectrum flexibility, and compute directly to mobile devices on Earth. Following a merger with Lynk, the company launched Elveo Mobile to provide this direct-to-device connectivity.

1 investor

OptiScan is integrated manufacturing software that connects design, process planning, and execution workflows to keep manufacturing decisions aligned throughout the product lifecycle. It provides design-level thermal simulation and analysis tools to help teams evaluate options early when changes remain flexible and less costly.

1 investor

A space data center company. The page provides a founder bio but no concrete details about the product or offering.

1 investor

Orbit Communication Systems develops ground, airborne, and maritime communications, satellite tracking, and ground-station technology for commercial operators, air forces, navies, space agencies, and New Space companies. A subsidiary of Kratos Defense & Security Solutions, it operates across Europe, the Far East, and North America.

1 investor

OrbitAID develops on-orbit servicing technology for satellites and spacecraft, including in-space refuelling, autonomous docking, repair, and inspection to extend asset life and enable orbital maneuverability. Its systems include a standardized docking and refueling port and pose-estimation software, demonstrated through microgravity missions.

1 investor

Orbital Arc develops lightweight electric propulsion systems with exceptionally high power density for spacecraft. The company's thrusters and power processing units are designed for satellite operators to reduce launch costs and extend mission duration.

1 investor

Orbital provides monitoring and response solutions for oil spill incidents, built by team members with a decade of experience in the field with the Spanish Coast Guard.

1 investor

Orbital Micro Systems (now Weather Stream) develops and manufactures miniaturized millimeter-wave microwave radiometer instruments for ground, air, and space-based applications, including its GEMS family used for satellite meteorology and weather forecasting. It also supplies custom radiometer calibration hardware to partners such as Ball Aerospace and NASA JPL for defense and Earth-observation missions.

1 investor

Astronaut training and spaceflight complex operator.

1 investor

Origami Space develops satellite systems using generative design and machine learning, delivering RF and LiDAR communications and intelligence capabilities for commercial and national security applications.

1 investor

OSMOS X develops ion propulsion and plasma-based systems for reusable, high-efficiency orbital vehicles aimed at satellite transportation, in-orbit servicing, and space debris mitigation. The NewSpace company targets space logistics for satellite operators and space agencies, with long-term ambitions toward lunar and Martian cargo transport.

1 investor

Outpost develops reusable space vehicles and thermal-protection technology to return cargo from orbit to Earth with precision landing, serving defense logistics, disaster response, and commercial in-space manufacturing. The company works with U.S. government and military agencies on orbital cargo return, resupply, and payload delivery.

1 investor

Outpost Mission Services provides planning, civil engineering, installation, and maintenance for space ground station sites, covering antennas, radomes, radar systems, RF networks, power, HVAC, and facilities. It serves organizations that depend on continuous connectivity to space assets and radar operations, positioning itself as a CMMC Level 2 certified infrastructure partner.

1 investor