Best Aerospace, Maritime and Defense Companies in Ontario, Canada
The 69 best Aerospace, Maritime and Defense companies in Ontario, Canada in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Axios Mobile Assets Corp..
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 Ontario
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Axios Mobile Assets Corp. Provider of high-quality ophthalmic care and advanced eye treatments | $34M | 126 mo ago | Deadpooled | — | 2009 | — | 10 patents Eco‑efficient shipping equipment usage tracking and environmental credit issuance platform | — |
| 2 | Magellan Manufacturer of aerospace components and assemblies | $1M | — | Public | Phillip Underwood Founder & CEO | 1996 | WordPressMySQLPHP+16 | — | 1 partnership · 1 expansion |
| 3 | Global Aerospace Manufacturer of landing gear, air cycle machine, pneumatic, and hydraulic aircraft components | $615K | 34 mo ago | Funding Raised | — | 1993 | Amazon Web ServicesApache HTTP ServerMailChimp+5 | — | — |
| 4 | Limestone Boat Company Provider of design & manufacturing of boats | $340K | 49 mo ago | Public | Scott Hanson CEO | 2018 | — | — | — |
| 5 | Juno Industries Developer of defence technology for land, sea, air, space, and cyber | — | 5 mo ago | Seed | Hunter Scharfe Founder & CEO | — | PythonUbuntuDjango+9 | — | — |
| 6 | Gastops Manufacturer of multiple oil and gas equipment | — | 12 mo ago | Funding Raised | Bernie MacIsaac Founder & CEO | 1979 | WordPress Block EditorWordPressMySQL+23 | 2 patents Monitoring contaminant particles in liquid flow using fluid‑particle detection assemblies | 2 job openings |
| 7 | Sideshift Provider of bow and stern thrusters designed for boats providing total control in any weather | — | 28 mo ago | Seed | Rob Griffin CEO | 2001 | Cart FunctionalityWordPressSentry+40 | 16 patents Provides lateral thrust systems for ship maneuverability and docking. | — |
| 8 | 3Pointsaviation Provider of commercial aircraft parts, repairs, overhaul, and related services 35Innovation top 36%Tech top 42%Product top 49%Growth bottom 35% All 6 signals ▾Innovationtop 36% Techtop 42% Producttop 49% Growthbottom 35% Marketbottom 31% Globalbottom 25% Innovation: 11 product lines Tech: 29 technologies across 4/8 capability areas · Devops: Nginx rank vs industry peers · Fliar Intelligence Index 35/100 | — | — | Unfunded | — | — | WordPressPleskMySQL+17 | — | — |
Top 7 Aerospace, Maritime and Defense companies in Ontario
#1
Deadpooled · Toronto, Ontario · founded 2009 · 51 employees$34.3Mraised▾
Provider of high-quality ophthalmic care and advanced eye treatments. It offers a comprehensive suite of services addressing various eye conditions, including cataract surgery, glaucoma management, diabetic retinopathy treatment, and squint disorder correction. The facility utilizes modern technology and maintains an inpatient facility with trained staff for round-the-clock care. LASIK and pediatric eye screening are also available.
- Dec 2015Post IPO$14M
- Dec 2015Venture Debt$3M
- Sep 2015Venture Debt$2M
- Apr 2015Venture Debt$1.5M
#2
Funding Raised · Mississauga, Ontario · founded 1993$614.8Kraised▾
Manufacturer of landing gear, air cycle machine, pneumatic, and hydraulic aircraft components. It offers airplane insurance and risk management solutions. It provides a variety of insurance coverage plans including the liability insurance policy and also offers maintenance services.
- Jul 2023Grant (prize money)$490K
- Jul 2018Grant (prize money)$63.2K
- Oct 2017Grant (prize money)$61.7K
#3
Public · Collingwood, Ontario · founded 2018$340Kraised▾
Provider of design & manufacturing of boats
- May 2022Post IPO$340K
#4
Public · Mississauga, Ontario · founded 1996 · 3500 employees$1Mraised▾
Manufacturer of aerospace components and assemblies. This company designs, engineers, and manufactures aeroengine and aerostructure assemblies and components for aerospace and space markets. It also produces specialty materials and provides engine and component repair and overhaul services. The company serves aircraft and engine manufacturers, and space agencies. Its offerings include aeroengines, aerostructures, specialty materials, and rocket components. They also offer maintenance, repair, and overhaul services.
- Conventional Debt$1M
- PE—
#5
Seed · Ottawa, Ontario—raised▾
Developer of defence technology for land, sea, air, space, and cyber. The company focuses on next-generation, all-domain, and dual-purpose applications. It assembles a team with experience in defence contracting, government, AI, robotics, and capital markets. The company aims to protect sovereignty and transform defence capabilities.
#6
Funding Raised · Ottawa, Ontario · founded 1979 · 218 employees—raised▾
Manufacturer of multiple oil and gas equipment
#7
Seed · Carleton Place, Ontario · founded 2001—raised▾
Provider of bow and stern thrusters designed for boats providing total control in any weather
Funding & investor landscape
Notable founders
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 Canada
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 33 Canada-affiliated papers.
- Carleton University7
- Defence Research and Development Canada5
- Institute for Christian Studies5
- Queen's University3
- Royal Military College of Canada3
- Modulation (music)2
- Photonics2
- MIMO1
- Algorithm1
- Independent component analysis1
- Electronic warfare3
- Semidefinite programming1
- Mathematical optimization1
- Metric (unit)1
- Relaxation (psychology)1
- Missile5
- Missile defense5
- Administration (probate law)3
- Strategic Defense Initiative3
- Ballistic missile2
Where defense tech is researched across Canada
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 Canada
Canada defense tech patent filing is steady — 2 filings from 3 assignees (2016–2018), led by Mccrea Michael, Lavoie Pierre, CA Minister NAT Defence; annual filings 1→1.
- Mccrea Michael2
- Lavoie Pierre1
- CA Minister NAT Defence1