Aerospace, Maritime and Defense · United States, India

Best Aerospace, Maritime and Defense Companies in United States

Updated 2026-06-16 · Ranked by funding & momentum

3815 indexable Aerospace, Maritime and Defense companies headquartered in United States, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $12.2B across 253 funded companies, including 3 unicorns.

3,815
Companies
$12.2B
Total Funding
253
Funded
3
Unicorns
4
Rounds (90d)

Ranked: Best Aerospace, Maritime and Defense companies in United States

#CompanyFundingValuationStage Latest roundEmployeesFoundedMomentum
1 Amca
Provider of aerospace and defense products, scaling to meet industry needs
$376M Series B Series B May 2026 2024 ↑ Active
2 BETA Unicorn
Manufacturer of electric aircraft, charging systems, and customized training programs
$1.2B $1.4B
as of 2021
Public Grant (prize money) Oct 2025 535 2012 ↑ Active
3 Northrop Grumman
Provider of non-combat aircraft systems for aerospace and defense industries
$750M Public Grant (prize money) Dec 2025 95,000 1939 ↑ Active
4 Scout AI
AI-powered robotic systems for defense and related applications
$115M Series A Series A Apr 2026 2024 ↑ Active
5 SkyRyse
Developer of advanced flight automation systems for aircraft
$540.5M Series C Series C Sep 2025 92 2016 ↑ Active
6 Venus Aerospace
Manufacturer of aerospace devices
$48.4M Series B Series B Apr 2026 78 2020 ↑ Active
7 LiquidPiston
Reinventing rotary engines for efficient power solutions across diverse markets
$50M Series D Series D Mar 2026 17 2003 ↑ Active
8 K2 Space Unicorn
Provider of aerospace hardware products designed services
$65.5M Series C Series C Mar 2026 2004 ↑ Active
9 Flexjet
Provider of fractional ownership aircraft, leasing and jet card services
$800M Late Stage PE Jul 2025 1,605 1995 ↑ Active
10 Nianet
The National Institute of Aerospace is a non-profit research and graduate education institute headquartered in Hampton.
$413.4M Funding Raised Grant (prize money) Jul 2025 160 2002 ↑ Active
11 Darkhive
Defense technology startup developing open architecture uncrewed aircraft systems integrated with a secure software delivery system for military and public safety applications
$25M Series B Series B Apr 2026 2021 ↑ Active
12 Vita Inclinata Tech
Defence company focusing on stabilisation control of moving objects for hoists and crane operations
$51.5M Series A Series A Jan 2026 79 2012 ↑ Active
13 Aerospacelab
Provider of space research association services
$124.8M Series B Series B Oct 2025 2018 ↑ Active
14 JetZero
Governmental organization for airlines and efficient jets
$31M Series B Series B Jan 2026 75 2020 ↑ Active
15 Noda
Developer of autonomous systems tactics and orchestration software for defense
$25M Series A Series A Feb 2026 2019 ↑ Active
16 Advanced Technology International
Provider of contracting, financial management, event planning, and training services for federal industry
$89.2M Acquired Grant (prize money) Sep 2025 344 1998 ↑ Active
17 Interlune
Provider of space resources for clean and sustainable economy in space
$19.9M Seed Seed Jan 2026 2020 ↑ Active
18 Grid Aero
Developer of uncrewed, long-range cargo aircraft for resilient logistics networks
$26M Series A Series A Jan 2026 2024 ↑ Active
19 Cambium
Provider of bio processing, downstream, and formulations services for food manufacturing industry
$27M Series B Series B Jan 2026 24 2019 ↑ Active
20 Teledyne
Manufacturer of electric and electronic components
$200M Public Grant (prize money) Jul 2025 14,900 1960 ↑ Active
21 Blue Water Autonomy
Manufacturer of autonomous warships
$64M Series A Series A Aug 2025 2024 ↑ Active
22 R2-wireless
Limited information available
$5M Series A Series A Mar 2026 11 2019 ↑ Active
23 Calcreek
Developer of high-power microwave sources, components, and related technology
$33.4M Funding Raised Grant (prize money) Jun 2025 1996 ↑ Active
24 CFD Research
Provider of engineering simulations, advanced prototypes, and innovative designs
$49.5M Funding Raised Grant (prize money) Apr 2025 165 1987 ↑ Active
25 Northwood Space
Manufacturer of ultra wideband gateways for satellite backhaul
$6.3M Series B Series B Jan 2026 2023 ↑ Active
26 Precision Aerospace & Defense
Provider of precision machining, engineering, sustainment, and non-destructive testing services
$3.2M Seed Seed Mar 2026 2025 ↑ Active
27 Senra Systems
Provider of harness design, manufacturing, and supply chain services for aerospace & defence
$25M Series A Series A Jul 2025 9 2023 ↑ Active
28 Lockheed Martin
Manufacturer of global security and defense airplanes
$25.1M Public Grant (prize money) Apr 2025 158 1912 ↑ Active
29 CX2
Developer of AI-enabled hardware and software for electromagnetic spectrum detection and defense
$31M Series A Series A May 2025 2024 ↑ Active
30 Castelion Unicorn
Defense company applying modern hardware development and manufacturing processes to national security challenges
$14.2M Series B Series B Jul 2025 2022 ↑ Active
31 L3Harris
Manufacturer of C6ISR system
$28M Public Grant (prize money) Apr 2025 50,000 1895 ↑ Active
32 Aurelius Systems
Developer of directed energy systems for unmanned aerial system defense
$10M Seed Seed Jul 2025 2024 ↑ Active
33 Katalyst Space Technologies
Provider of space research services
$1.5M Seed Seed Jan 2026 19 2020 ↑ Active
34 GA
Provider of nuclear fusion technology systems and defense solutions
$3.2M Series A Grant (prize money) Sep 2025 12,430 1955 ↑ Active
35 Paradigm Parachute & Defense
Manufacturer of personnel, cargo, and defense parachute products
$5M Series A Conventional Debt Jul 2025 6 2019 ↑ Active
36 PlaneSense
Provider of fractional aircraft ownership and private flight
$45.2M Series C Conventional Debt Aug 2024 235 1996 ↑ Active
37 AstroForge Technologies
Provider of space research services
$55M Series A Jul 2024 10 2022 ↑ Active
38 Applied OceanSciences
Provider of smart home and office automation, home theater design, and architectural lighting solutions
$1.9M Acquired Grant (prize money) Aug 2025 17 2018 ↑ Active
39 Jeh Aerospace
Manufacturer of aerostructures and aero-engine components
$2.8M Series A Series A Aug 2025 12 2022 ↑ Active
40 Bond
Personalised bot wriiten notes
$1M Seed PE Oct 2025 2013 ↑ Active
41 Anno AI
Provider of testing infrastructure for autonomous platforms in multiple sectors
$23.6M Series B Series B Jul 2024 54 2018 ↑ Active
42 OKSI
Provider of research and development company providing customized sensors for defense and aerospace industries
$4.8M Funding Raised Grant (prize money) Mar 2025 1 1991 ↑ Active
43 Kratos
Provider of AI and cloud-based platforms and products for national security
$946.7M Public Grant (prize money) Nov 2021 3,900 1994
44 Navier
Provider of aerospace engineering and mechanical services
$500K Seed Seed Dec 2025 2023 ↑ Active
45 Xcellent Technology Solutions
Provider of geospatial engineering and information technology solutions, specializing in defense and federal communities, leveraging innovative GIS technologies to empower success and security
$4.1M Funding Raised Conventional Debt Apr 2025 107 2005 ↑ Active
46 ACS
Provider of mid-life aircraft leasing and trading services
$130M Funding Raised Conventional Debt Jan 2024 19 2010
47 Kencoa Aerospace
Provider of aircraft parts and component manufacturing services
$97M Series C Series C Jan 2024 345 1998
48 ThayerMahan
Provider of autonomous maritime surveillance solutions
$83M Series C Series C Nov 2023 90 2015
49 Controlled Force
Provider of security training and services for law enforcement, military, and commercial clients
$2.2M Funding Raised Conventional Debt Apr 2025 53 1997 ↑ Active
50 AvAir
Develops aircraft components
$60M Funding Raised Convertible Debt Mar 2024 74 2000

Top 12 Aerospace, Maritime and Defense companies in United States

#1
Amca Series B
$376M Raised
expand_more
#1

Amca Series B

location_onEl Segundo, California
Founded
2024
Funding raised
$376M
Stage
Series B

Provider of aerospace and defense products, scaling to meet industry needs. The company acquires and develops critical products for these sectors. It focuses on unified engineering and manufacturing processes. The company emphasizes responsiveness and transparency with its customers. It deploys engineering and manufacturing talent to assist customers with product development.

Funding rounds (2 disclosed of 2)
Round Date Amount
Series B May 2026 $300M
Series A Apr 2025 $76M
Tech stack
godaddygsaphstslenismicrosoft 365next.js+11
#2
BETA Unicorn Public
$1.2B Raised
expand_more
#2

BETA Unicorn Public

location_onSouth Burlington, Vermont
Founded
2012
Employees
535
Funding raised
$1.2B
Valuation
$1.4B · 2021
Stage
Public

Manufacturer of electric aircraft, charging systems, and customized training programs. They build electric vertical and conventional takeoff and landing aircraft. The company also manufactures charge cubes and thermal management systems for electric aircraft and vehicles. In addition, they provide customized training programs for pilots to operate electric aircraft.

Funding rounds (8 disclosed of 9)
Round Date Amount
Grant (prize money) Oct 2025 $1.8M
Series C Sep 2025 $300M
Grant (prize money) May 2025 $1.8M
Series C Oct 2024 $469.6M
Conventional Debt Nov 2023 $169M
Series B Jun 2022 Undisclosed
3 earlier rounds — sign up free
Tech stack
amazon web servicesapache http serverapple icloud mailapple paybootstrapcdnjs+14
#3
$750M Raised
expand_more
#3

Northrop Grumman Public

location_onFalls Church, Virginia
Founded
1939
Employees
95,000
Funding raised
$750M
Stage
Public

Provider of non-combat aircraft systems for aerospace and defense industries. It offers aerospace systems, mission systems, and technology services such as military aircraft, autonomous, space systems, defense, and flight systems. It also provides military radar, sensors, and related products, including radar systems for air defense, airspace management radar systems such as AMASS, and battlefield surveillance system

Tech stack
acquia cloud platformacquia cloud site factoryakamaiamazon cloudfrontamazon web servicesangularjs+14
#4
Scout AI Series A
$115M Raised
expand_more
#4

Scout AI Series A

location_onSunnyvale, California
Founded
2024
Funding raised
$115M
Stage
Series A

AI-powered robotic systems for defense and related applications. It enables natural language commands, robot-to-robot coordination, and mission-adaptive autonomy without cloud connectivity. Its technology enables unmanned platforms to perform tasks using vision, language, and action models. Its systems are designed for deployment across various domains. It focuses on creating adaptable and generalized decision-making

Funding rounds (2 disclosed of 2)
Round Date Amount
Series A Apr 2026 $100M
Seed Apr 2025 $15M
Tech stack
godaddygoogle analyticsgoogle tag managergoogle workspacegsaphsts+10
#5
SkyRyse Series C
$540.5M Raised
expand_more
#5

SkyRyse Series C

location_onHayward, California
Founded
2016
Employees
92
Funding raised
$540.5M
Stage
Series C

Developer of advanced flight automation systems for aircraft. It offers a fully digitized aircraft operating system enhancing safety and enabling optionally-piloted capabilities. The system provides a seamless user interface, maintains stability, improves operation in low-visibility conditions, and offers automated emergency management. It also allows for ground-based control of fleets and facilitates upgrades to exi

Funding rounds (5 disclosed of 5)
Round Date Amount
Series C Sep 2025 $300M
Series B Oct 2021 $200M
Series A May 2020 $2.5M
Series A Dec 2019 $13M
Series A Aug 2018 $25M
Tech stack
amazon sesamazon web servicescloudflarecore-jsdocusigngoogle analytics+13
#6
Venus Aerospace Series B
$48.4M Raised
expand_more
#6

Venus Aerospace Series B

location_onSeal Beach, California
Founded
2020
Employees
78
Funding raised
$48.4M
Stage
Series B

Manufacturer of aerospace devices

Funding rounds (6 disclosed of 9)
Round Date Amount
Series B Apr 2026 $63M
Series A Oct 2025 Undisclosed
Series A Jan 2025 Undisclosed
Series A Jun 2023 $15.9M
Series A 2022 $50K
Series A Apr 2022 $29.2M
3 earlier rounds — sign up free
Tech stack
apple icloud mailcloudflaregsaphstshttp/3jquery+6
#7
LiquidPiston Series D
$50M Raised
expand_more
#7

LiquidPiston Series D

location_onBloomfield, Connecticut
Founded
2003
Employees
17
Funding raised
$50M
Stage
Series D

Reinventing rotary engines for efficient power solutions across diverse markets. The company develops compact, powerful, quiet, efficient, low-vibration, multi-fuel capable combustion engines scalable for various applications. They focus on military, aerospace, industrial, commercial, marine, UAV, urban mobility, and automotive sectors. Their patented thermodynamic cycle improves efficiency and reduces noise. They of

Funding rounds (18 disclosed of 18)
Round Date Amount
Series D Mar 2026 $500K
Series C Nov 2024 $25K
Series C Oct 2023 $30M
Series C Jun 2023 $50K
Series C Mar 2020 $1.1M
Conventional Debt Sep 2019 $75K
12 earlier rounds — sign up free
Tech stack
applovincdnjscloudflarecloudflare bot managementcloudflare turnstilecore-js+14
#8
K2 Space Unicorn Series C
$65.5M Raised
expand_more
#8

K2 Space Unicorn Series C

location_onLos Angeles, California
Founded
2004
Funding raised
$65.5M
Stage
Series C

Provider of aerospace hardware products designed services

Tech stack
amazon sesamazon web servicescdnjscloudflaregsaphsts+10
#9
Flexjet Late Stage
$800M Raised
expand_more
#9

Flexjet Late Stage

location_onCleveland, Ohio
Founded
1995
Employees
1,605
Funding raised
$800M
Stage
Late Stage

Provider of fractional ownership aircraft, leasing and jet card services

Funding rounds (1 disclosed of 1)
Round Date Amount
PE Jul 2025 $800M
Founders & key people
Tech stack
absorbamazon cloudfrontamazon web servicesaureliabootstrapcalltrackingmetrics+14
#10
Nianet Funding Raised
$413.4M Raised
expand_more
#10

Nianet Funding Raised

location_onHampton, Virginia
Founded
2002
Employees
160
Funding raised
$413.4M
Stage
Funding Raised

The National Institute of Aerospace is a non-profit research and graduate education institute headquartered in Hampton.

Funding rounds (37 disclosed of 38)
Round Date Amount
Grant (prize money) Jul 2025 $631.8K
Grant (prize money) May 2025 $13M
Grant (prize money) May 2025 $604.5K
Grant (prize money) Apr 2025 $13M
Grant (prize money) Mar 2025 $13M
Grant (prize money) Feb 2025 $604.5K
32 earlier rounds — sign up free
Tech stack
apache http servercore-jselementorendurance page cachegoogle font apiimperva+14
#11
Darkhive Series B
$25M Raised
expand_more
#11

Darkhive Series B

location_onSan Antonio, Texas
Founded
2021
Funding raised
$25M
Stage
Series B

Darkhive is a defense technology startup that develops open architecture Uncrewed Aircraft Systems (UAS) integrated with a secure software delivery system. The company aims to deliver affordable, US-made autonomous drones for search and rescue, military, and public safety applications. With a focus on autonomy and intuitive user experience, Darkhive is poised to revolutionize the drone technology industry.

Funding rounds (3 disclosed of 3)
Round Date Amount
Series B Apr 2026 $30M
Series A Aug 2024 $21M
Seed Dec 2023 $4M
Tech stack
bootstrapgodaddygoogle cloudgoogle cloud cdngsaphsts+7
#12
$51.5M Raised
expand_more
#12

Vita Inclinata Tech Series A

location_onSeattle, Washington
Founded
2012
Employees
79
Funding raised
$51.5M
Stage
Series A

Defence company focusing on stabilisation control of moving objects for hoists and crane operations

Funding rounds (7 disclosed of 7)
Round Date Amount
Series A Jan 2026 $700K
Series A Jan 2024 $44M
Seed Aug 2022 $2.3M
Seed Nov 2019 $1.2M
Seed Jun 2019 $2M
Seed Feb 2019 $120K
1 earlier round — sign up free
Tech stack
apple icloud mailcloudflarecloudflare turnstilecore-jsgoogle analyticsgoogle font api+14

Recent signals in United States Aerospace, Maritime and Defense

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Funding & investor landscape

Total raised
$12.2B
across these companies
Companies funded
253
with disclosed funding
Highest-funded
$1.2B raised

Most active investors

O OSTI 33 investments in Aerospace, Maritime and Defense MH Military Health 30 investments in Aerospace, Maritime and Defense N NASA 24 investments in Aerospace, Maritime and Defense NF National Science Foundation 21 investments in Aerospace, Maritime and Defense E Europa 19 investments in Aerospace, Maritime and Defense NA National Oceanic and Atmospheric Administration 14 investments in Aerospace, Maritime and Defense UT U.S. Department of Transportation 12 investments in Aerospace, Maritime and Defense H HHS 11 investments in Aerospace, Maritime and Defense AV Alumni Ventures 9 investments in Aerospace, Maritime and Defense AH Andreessen Horowitz 8 investments in Aerospace, Maritime and Defense YC Y Combinator 8 investments in Aerospace, Maritime and Defense H H4XLabs 7 investments in Aerospace, Maritime and Defense

Notable founders in United States Aerospace, Maritime and Defense

SM Saad Mobarak Co-Founder | Prev @ Apple & Tesla Amca · $376M raised
EG Eli Giovanetti Co-Founder & COO Amca · $376M raised
JM Jai Malik Co-Founder & CEO Amca · $376M raised
CO Collin Otis Co-Founder & CTO Scout AI · $115M raised
SD Sarah Duggleby Co-Founder/CEO Venus Aerospace · $48.4M raised
AD Andrew Duggleby Co-Founder / CTO Venus Aerospace · $48.4M raised
NS Nikolay Shkolnik Co-Founder LiquidPiston · $50M raised
AS Alexander Shkolnik Co-Founder & CEO LiquidPiston · $50M raised
KK Karan Kunjur Co-Founder K2 Space · $65.5M raised
NK Neel Kunjur Co-Founder & CTO K2 Space · $65.5M raised
MS Michael Silvestro CEO Flexjet · $800M raised
JG John Goodson Co-Founder & CEO Darkhive · $25M raised

Frequently asked questions

How many Aerospace, Maritime and Defense companies are there in United States?
Radar tracks 3815 indexable Aerospace, Maritime and Defense companies headquartered in United States, India, that meet our profile-completeness bar.
What is the total funding raised by Aerospace, Maritime and Defense companies in United States?
The Aerospace, Maritime and Defense companies in United States on this list have raised a combined $12.2B in disclosed equity funding across 253 funded companies.
Which is the highest-funded Aerospace, Maritime and Defense company in United States?
BETA is the highest-funded Aerospace, Maritime and Defense company in United States, with $1.2B in disclosed equity funding.
How many Aerospace, Maritime and Defense companies in United States are funded?
253 of the 3815 Aerospace, Maritime and Defense companies in United States on this list have disclosed at least one equity funding round.
How many Aerospace, Maritime and Defense unicorns are there in United States?
3 Aerospace, Maritime and Defense companies in United States on this list are valued at $1B or more.
Who are the top investors in United States Aerospace, Maritime and Defense companies?
The most active investors in United States Aerospace, Maritime and Defense companies on this list include OSTI, Military Health, NASA, National Science Foundation, Europa.

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 2026-06-16.

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