Best Aerospace, Maritime and Defense Companies in Indiana, United States
The 43 best Aerospace, Maritime and Defense companies in Indiana, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Lite Magnesium.
Our analysis of 50 Aerospace, Maritime and Defense companies
$6.7b in tracked funding; 89% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Aerospace, Maritime and Defense companies in Indiana
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Lite Magnesium Provider of end-to-end solutions in designing, casting, machining, and production phases for magnesium… | $2M | 35 mo ago | Seed | Bala Jeldi Founder & Chairman | 2020 | — | — | — |
| 2 | Bowmar Designs and manufactures gearing & assembling components to aerospace and defense industries | $675K | 197 mo ago | Early Stage | Jeanice Croy CEO | 1951 | PHPAzureApache HTTP Server+1 | — | — |
| 3 | Aerodyn Provider of aerospace and defense based services | $270K | 133 mo ago | Funding Raised | — | 2002 | WordPress Block EditorWordPressMySQL+19 | — | — |
| 4 | acbl ACBL is a marine transportation company that specializes in offering inland barge transportation solutions to… | — | — | Private | — | 1915 | WordPressMySQLMariaDB+29 | — | 1 job opening · 1 award |
| 5 | Aearo Technologies Designs and manufactures thermal acoustic systems and cabin interiors | — | — | Acquired | — | 1990 | — | 3 patents Adjustable, multi-color earplugs with variable attenuation for hearing protection | — |
| 6 | AM General Manufactures and supplies specialised vehicles for military and commercial customers | — | — | Acquired | — | 1970 | Cart FunctionalityWordPressApple iCloud Mail+24 | 68 patents Armored vehicle structural components and blast‑protected cab systems | — |
| 7 | Attco Manufacturer specializing in components for aerospace technologies, leveraging its expertise to deliver… | — | — | Unfunded | Rick Verwilst CEO | 1962 | — | — | — |
| 8 | Barletta Boat Company Manufacturer of pontoon boats | — | — | Acquired | Bill Fenech Co-Owner | 2017 | HubSpot CMS HubApple iCloud MailAmazon Web Services+26 | 14 patents Modular design and flow-control features for recreational pontoon boats. | — |
Top 3 Aerospace, Maritime and Defense companies in Indiana
#1
Seed · Indianapolis, Indiana · founded 2020$1.9Mraised▾
Lite Magnesium Products Inc. offers end-to-end solutions in designing, casting, machining, and production phases for magnesium components using innovative technologies available in the industry. They aim to provide comprehensive services to their clients.
- Sep 2023Seed$1.9M
#2
Early Stage · Fort Wayne, Indiana · founded 1951 · 42 employees$675Kraised▾
Bowmar, serving the aerospace and defense industries for more than six decades, is a trusted, recognized leader for Human-Machine Interface Solutions, Custom Gear Products, Line Replaceable Units (LRU’s) and Subsystems.
#3
Funding Raised · Indianapolis, Indiana · founded 2002 · 100 employees$270Kraised▾
Provider of aerospace and defense based services
- Jul 2015Grant (prize money)$270K
Funding & investor landscape
Market landscape — 10 sub-themes by coverage
Share of Aerospace, Maritime and Defense coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Defense Technology is moving in the United States
A read on the academic research around Defense Technology — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 462 United States-affiliated papers.
- Pennsylvania State University19
- United States Air Force Research Laboratory15
- United States Naval Academy12
- U.S. Air Force Institute of Technology10
- Naval Postgraduate School9
- Photonics2→4
- Jamming6→7
- Electronic warfare55
- Radar36
- Missile32
- Missile defense18
- Jamming12
- Aerospace engineering2→4
- Cruise missile4→5
Where defense tech is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing defense tech patents in the United States
United States defense tech patent filing is accelerating — 57 filings from 65 assignees (2016–2025), led by Raytheon, BAE SYS INF & Elect SYS Integ, AAI; annual filings 3→6.
- Raytheon17
- BAE SYS INF & Elect SYS Integ15
- AAI10
- Leonardo Electronics US10
- Lockheed10
- Rocky Research7
- Huggett James M5
- Stroili Frank D5