Top 10 Startups enhancing military submarines

Updated: Nov 18, 2025
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These companies develop military submarine sonar systems, stealth coatings, nuclear propulsion systems, advanced torpedo countermeasures, autonomous underwater navigation technologies, etc
1
Northrop Grumman
Country: USA | Funding: $3.7B
Northrop Grumman produces military aircraft (in particular, the B-2 Spirit - a strategic stealth bomber), large UAVs (RQ-4 Global Hawk, MQ-8 Fire Scout), underwater drones (MQ-4C Triton), develops control systems for various military manned and unmanned aircraft, various types of missiles (SiAW) and anti-missile systems, electronic warfare systems, reconnaissance systems for collecting information, communication systems, navigation, surveillance, computer equipment, radars, warning systems, space force systems (satellites, launch vehicles, missile defense systems), as well as directed energy weapons (lasers) and smart ammunition.
2
Hanwha Systems
Country: South Korea | Funding: $251M
Hanwha Systems is an aerospace company providing defense electronics and smart ICT solutions.
3
Rafael Advanced Defense Systems
Country: Israel
Rafael develops and manufactures advanced defense systems for the Israeli Defense Forces.
4
Naval Group
Country: France
Naval Group is a defense contractor and industrial group that specialized in naval-based defense platform and the marine renewable energy.
5
BAE Systems
Country: UK | Funding: $142.2M
BAE Systems designs, develops, and supports defense and aerospace systems used in the air, on land, at sea, and in space.
6
Kaman
Country: USA | Funding: $115M
Kaman supports national defense around the globe with advanced components and technologies for aerial and marine vehicles. Kaman is the source for mission critical components and systems that offer exceptional performance under any range of conditions.
7
Babcock
Country: Australia
Babcock International Group manufactures marine, nuclear, aviation, and defense products and provides development and engineering services.
8
Koc Savunma
Country: Turkey
Koç Bilgi ve Savunma Teknolojileri is a tech company that is engaged in the development of electronic systems for defense naval platforms, especially solutions related to underwater acoustics, and that follows an R&D-based approach.
9
MSubs
Country: UK
MSubs manufactures vessels for external pressure, including reinforcement for hatches and wide openings, foundations, and lifts.
10
Consolidated Laser Technologies
Country: USA
Consolidated Laser Technologies develops ultra short pulse laser (USPL) surface preparation technology to assess the capability as an enhanced surface preparation tool on sensor cable connectors in subsurface environments.
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Bruce Makowsky
Editor: Bruce Makowsky
Bruce Makowsky has covered military, cyber and IT news since 2009, with a focus on U.S. Navy and Marine Corps operations, acquisition programs and budgets. In particular he worked for Inside Defense. Bruce holds a Master of Science degree in journalism from Boston University. Bruce is also an award-winning photographer, renowned for his captivating images that have earned him numerous accolades and widespread recognition in the photography community. You can contact Bruce at makowsky(at)militarystartups(dot)com