125 indexable Aerospace, Maritime and Defense Tech companies headquartered in Massachusetts, United States, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $834.4M across 49 funded companies.
| # | Company | Funding | Valuation | Stage | Latest round | Employees | Founded | Momentum |
|---|---|---|---|---|---|---|---|---|
| 1 |
Flux Marine
Electric boating: Revolutionizing marine propulsion with sustainable, powerful systems |
$15.5M | — | Series A | Series A Nov 2025 | 30 | 2016 | ↑ Active |
| 2 |
Diffraqtion
Developer of quantum imaging technology designed to enhance visual capabilities in satellites and machines through AI-powered cameras |
$5.4M | — | Seed | Seed Mar 2026 | — | 2024 | ↑ Active |
| 3 |
ShipIn
Provider of vessel monitoring and safety systems |
$24M | — | Series A | Series A Sep 2025 | 37 | 2018 | ↑ Active |
| 4 |
Zydro
Manufacturer of unmanned surface and underwater vehicles for maritime operations |
$2M | — | Seed | Seed Mar 2026 | — | 2025 | ↑ Active |
| 5 |
Altaeros
Provider of wireless network infrastructure solutions |
$61.7M | — | Series B | Series B Dec 2024 | 41 | 2010 | ↑ Active |
| 6 |
Accion
Developer of ion beam-based electric propulsion systems for satellites |
$71.6M | $83.5M as of 2021 |
Series C | Series C Sep 2024 | 23 | 2014 | ↑ Active |
| 7 |
Gander Robotics
Developer of autonomous underwater vehicles for maritime search and rescue |
$1.1M | — | Seed | Seed Apr 2026 | — | 2025 | ↑ Active |
| 8 |
REGENT Craft
Developer of wing-in-ground technology-based electric sea gliders |
$94.5M | — | Series A | Series A Jun 2024 | 45 | 2020 | ↑ Active |
| 9 |
Raptor Maps
Provider of solar asset management platform using aerial and sensor data |
$27.5M | — | Series C | Series C Dec 2024 | 64 | 2015 | ↑ Active |
| 10 |
AirQtel
Provider of ultra-high precision aerial surveillance data |
$27M | — | Series A | Series A Feb 2025 | — | 2021 | ↑ Active |
| 11 |
Apeiron Labs
Provider of solutions to lower carbon footprint |
$5M | — | Series A | Series A Aug 2025 | 7 | 2022 | ↑ Active |
| 12 |
Orb Aerospace
Developer of e-VTOL aircrafts |
$4.5M | — | Series A | Series A Jul 2025 | 15 | 2017 | ↑ Active |
| 13 |
Maglev Aero
Developer of e-VTOL aircraft |
$11.8M | — | Series B | Series B Jan 2025 | 24 | 2017 | ↑ Active |
| 14 |
PlotBox
Offers cloud-based cemetery, crematory, and funeral software for centralized data management and streamlined operations |
$2.6M | — | Series A | Series A Apr 2025 | 72 | 2012 | ↑ Active |
| 15 |
Sea Machines
Provider of unmanned surface vehicles for industrial purposes |
$45.7M | — | Series B | Series B Dec 2023 | 26 | 2014 | — |
| 16 |
CargoMetrics
Offers technology and method development for measuring maritime trade and in other fields |
$24.4M | — | Series A | Series A Jan 2024 | 19 | 2010 | — |
| 17 |
Merlin Labs
Developer of AI-enabled autonomous pilot software for civil and military aviation |
$133.5M | — | Public | Series B Jul 2022 | 44 | 2017 | — |
| 18 |
Guardian
Provider of drone-based crop protection solutions |
$36.5M | — | Series A | Series A Jun 2023 | 20 | 2017 | — |
| 19 |
USMAT
A technology solutions provider offering electronics simulation, modeling, and design software for the military and government sectors |
$499.9K | — | Funding Raised | Grant (prize money) Mar 2025 | — | 2020 | ↑ Active |
| 20 |
Mercury Systems
Manufacturer of mission-critical processing subsystems, components, and solutions for aerospace |
$62.8M | — | Public | Grant (prize money) 2020 | 2,596 | 1981 | — |
| 21 |
Busek
Manufacturer of electric propulsion systems |
$3.7M | — | Funding Raised | Grant (prize money) Mar 2024 | 58 | 1985 | — |
| 22 |
Plymouth Rock
Provider of AI-based radar imaging and signal processing based threat detection solution |
$7.1M | — | Public | Post IPO Jul 2023 | — | 2016 | — |
| 23 |
Neurala
Developer of vision artificial intelligence software for industrial quality inspections |
$33.1M | — | Series C | Series C Jun 2021 | 30 | 2006 | — |
| 24 |
Specter Aerospace
Hypersonic aircraft |
$9.5M | — | Series A | Series A Jun 2023 | 28 | 2013 | — |
| 25 |
SeaTrac
Developer of a solar energy-based unmanned surface vehicle |
$2.8M | — | Seed | Seed Mar 2024 | 4 | 2003 | — |
| 26 |
HarborMoor
Provider of an online community for boat owners |
$5.5M | — | Series A | Series A Aug 2023 | — | 2021 | — |
| 27 |
CyPhy Works
Developer pf microfilament-based secure multi-copter drones |
$37.1M | — | Deadpooled | Series B Jul 2018 | 57 | 2008 | — |
| 28 |
Aria Insights
Developer of hexacopter drones and AI-based analytics software |
$24.8M | — | Deadpooled | Conventional Debt Mar 2019 | 28 | 2008 | — |
| 29 |
SiOnyx
Manufacturer of digital night vision cameras and sensors |
$21.3M | — | Acquired | Series B Aug 2012 | 39 | 2006 | — |
| 30 |
American Robotics
Provider of drone-based monitoring and mapping solutions for agriculture |
$5.8M | — | Acquired | Conventional Debt Apr 2021 | 51 | 2014 | — |
| 31 |
Robotics 88
Platform provides autonomous drone solutions for wildland fire management |
$924.9K | — | Funding Raised | Grant (prize money) Aug 2023 | — | 2021 | — |
| 32 |
Terrafugia
Developer of the multi-utility aircraft |
$5.6M | — | Acquired | Series A May 2012 | 11 | 2006 | — |
| 33 |
FreightFlows
Provider of web-based predictive maritime analytics solutions for global trade |
$1.9M | — | Seed | Seed Mar 2022 | 5 | 2018 | — |
| 34 |
GreenSight Agronomic
Robotics, analytics, and automation solutions for golf, sports turf, agriculture, defense |
$2.6M | — | Series A | Grant (prize money) Feb 2021 | 77 | 2014 | — |
| 35 |
ProSensing
Developer of systems and solutions for remote sensing applications |
$4.4M | — | Funding Raised | Grant (prize money) Jul 2010 | 11 | 1982 | — |
| 36 |
Tellus Labs
Provider of a machine learning-based geospatial platform using satellite imagery to provide actionable insights on agricultural and environmental questions |
$3.1M | — | Acqui-Hired | Grant (prize money) Feb 2019 | 708 | 2016 | — |
| 37 |
Scanifly
Provider of a drone platform for solar system installations |
$2.3M | — | Seed | Seed Jan 2021 | 41 | 2015 | — |
| 38 |
Aquabotix
Underwater drone manufacturer revolutionizing exploration for cleaner, healthier oceans and waterways |
$2.1M | — | Public | Post IPO Jul 2018 | 6 | 2011 | — |
| 39 |
Sensar Marine
Provider of remote boat monitoring systems |
$1.5M | — | Seed | Seed Jun 2020 | 10 | 2018 | — |
| 40 |
Ascent AeroSystems
Coaxial vehicle configuration based drones |
$600K | — | Acquired | Seed Sep 2019 | 24 | 2014 | — |
| 41 |
Aura Intelligent Systems
Provider of radar imaging solution for drones and autonomous vehicles |
$256K | — | Funding Raised | Grant (prize money) Jan 2021 | 6 | 2019 | — |
| 42 |
LocalData
Cloud platform empowering data-driven decisions for cities and communities |
$300K | — | Funding Raised | Grant (prize money) Oct 2012 | — | 2012 | — |
| 43 |
Lunar Station
Provider of lunar data refinement and visualization platform with insights package |
$195.3K | — | Seed | Seed Jan 2019 | — | 2016 | — |
| 44 |
Granular
AI-powered geospatial intelligence for informed decisions with global reach |
$100K | — | Funding Raised | Grant (prize money) Apr 2021 | 14 | 2017 | — |
| 45 |
Cleo Robotics
Specializing in safe, compact drones for GPS-denied and confined environments |
$120K | — | Seed | Seed Feb 2019 | 10 | 2015 | — |
| 46 |
Axiam
Provider of computer-optimized engine core assembly processes for improved engine performance |
$137.5K | — | Early Stage | Unattributed Feb 2011 | — | 1983 | — |
| 47 |
Airmada
Maritime logistics and surverying services provider |
$120K | — | Deadpooled | Seed 2016 | 31 | 2015 | — |
| 48 |
Aerospec
Drone-based operation and maintenance services for renewable projects |
$50K | — | Seed | Grant (prize money) Feb 2018 | 70 | 2015 | — |
| 49 |
Hydroswarm
Provider of an underwater drone for inspection and monitoring |
$50K | — | Funding Raised | Grant (prize money) Oct 2015 | — | 2015 | — |
| 50 |
Veson Nautical
Provider of software solutions for the maritime industries |
— | — | Late Stage | PE Mar 2022 | 288 | 2003 | — |
Electric boating: Revolutionizing marine propulsion with sustainable, powerful systems. They design and build electric propulsion systems, partnering with hull manufacturers to deliver a better boating experience. Their systems improve every aspect of boating, from the all-electric outboard to supporting technology. They offer recreational boats like dual consoles, center consoles, and pontoons. They are revolutioniz
Developer of quantum imaging technology designed to enhance visual capabilities in satellites and machines through AI-powered cameras.
Provider of vessel monitoring and safety systems. It provides real-time fleet monitoring systems using visual and operational analytics for safety purposes. Its features include fleet management, cargo operations, visual analytics, finance and performance monitoring, and compliance management.
Manufacturer of unmanned surface and underwater vehicles for maritime operations. This business produces hardware and software systems designed for autonomous navigation and data collection in marine environments. The product line includes kits for surface vessels and tools for processing nautical charts. These systems facilitate remote sensing and observation tasks in oceanic domains.
Provider of wireless network infrastructure solutions. It provides wireless network infrastructure through an aerostat platform to telecom, renewable energy, and enterprise sectors. It offers SuperTower, an aerial platform with a flight control system that integrates high-gain antennas and a 5G multi-sector LTE base station. It also allows the incorporation of multiple radio systems for delivering internet connectivi
Developer of ion beam-based electric propulsion systems for satellites. It enables propulsion and attitude control for small satellites using an ionic liquid electrospray propulsion system. Its features include multi-mode compatibility, inertness, non-toxicity, MEMS-based manufacturing processes, and high resiliency.
Developer of autonomous underwater vehicles for maritime search and rescue. These vehicles are designed for rapid deployment in man-overboard scenarios. The autonomous rescue swimmer delivers a rescue system with an auto-inflating flotation device. It also includes a high-visibility flare and RF beacon to transmit location data.
Developer of wing-in-ground technology-based electric sea gliders. Its passenger vehicles are a hybrid between an aircraft and a hydrofoil and use wing-in-ground-effect technology to travel at an altitude of a few metres above the surface of the water. It includes electric propulsion and long-distance travel.
Provider of solar asset management platform using aerial and sensor data. The platform analyzes images to conduct root cause analysis and direct operations and maintenance efforts. The platform digitally reconstructs solar plants in a map-based interface enriched with data. Autonomous drones investigate site conditions and equipment, automating visual investigations. A mobile application allows technicians to access
Provider of ultra-high precision aerial surveillance data. This data is acquired through real-time, low earth orbit technology, exceeding the capabilities of many military systems. The service offers clients industry-best real-time data for risk management and threat mitigation. This enables informed decision-making based on precise and timely information.
Provider of solutions to lower carbon footprint. It provides solutions to lower the cost and carbon footprint of acquiring data from the upper ocean by orders of magnitude. It is focused on enabling the digital transformation of oceans through the development of technologies for ocean monitoring. It also provides solutions to quantify climate change and improve weather forecasting.
Developer of an electric aircraft designed to revolutionize the aviation sector. The company's aircraft is engineered with redundant propulsion and flight-critical systems, uses a combination of propulsion methods in order to provide efficient vertical and horizontal flight, and offers modular wings for each specific mission and application, enabling clients to ensure safety with maximum utility.
MassChallenge
OSTI
Greentown Labs
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Techstars
SeaAhead
America’s Seed Fund
E14 Fund
Founder Collective
HHS
In-Q-Tel
National Oceanic and Atmospheric Administration
Project 11 Ventures
Rankings are computed by Radar (Fliar BI) from the Radar company master and are updated periodically. Funding and momentum scores use disclosed equity-funding data only. Figures may lag private rounds. Last updated 2026-06-20.
