Best Aerospace, Maritime and Defense Companies in Quebec, Canada
The 37 best Aerospace, Maritime and Defense companies in Quebec, Canada in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Canadian Space Agency.
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 Quebec
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Canadian Space Agency Canadian space agency focused on social and economic benefits | $5M | 32 mo ago | Funding Raised | — | 1989 | — | 79 patents Spacecraft attitude control technologies using solar sails and residual magnetic dipole methods. | 1 partnership · 2 awards |
| 2 | Heroux-Devtek Provider of landing gear and actuation systems & components | — | 107 mo ago | Acquired | Gilles Labbe CEO & President | 1942 | JoomlaApple iCloud MailMicrosoft 365+19 | 3 patents Aircraft landing‑gear uplock release mechanisms for improved safety and maintenance | — |
| 3 | Aero Montreal Provider of aerospace designing services | — | — | Unfunded | Suzanne Benoit CEO & President | 2006 | WordPressMySQLPHP+16 | — | 1 job opening |
| 4 | Aerospatiale Hemmingford Provider of aerospace engineering services | — | — | Acquired | — | 1985 | — | — | — |
| 5 | Aerosystems International Provider of aerospace engineering, designing, developing, and production services | — | — | Acquired | Mark Connolly CEO | 1971 | — | — | — |
| 6 | apex precision Apex Precision manufactures and assembles precision component. | — | — | Acquired | — | 1994 | WordPressMySQLPHP+23 | — | — |
| 7 | apn global APN Global is a manufacturer of medical, industrial, and aerospace components. | — | — | Acquired | — | 1970 | WordPressMySQLPHP+14 | 8 patents Diaphragm valves for precise sample injection in fluid handling systems | — |
| 8 | Atlas Aeronautik Atlas Aeronautik is a company that supply complex mechanical components in the aeronautical world. | — | — | Unfunded | — | 2010 | Wix eCommerceWixSentry+13 | — | — |
Top 2 Aerospace, Maritime and Defense companies in Quebec
#1
Funding Raised · Longueuil, Quebec · founded 1989 · 734 employees$5Mraised▾
Canadian space agency focused on social and economic benefits
- Dec 2023Grant (prize money)$5M
#2
Acquired · Longueuil, Quebec · founded 1942 · 266 employees—raised▾
Provider of landing gear and actuation systems & components. Its product portfolio includes helicopters, jets, military fighters, transport aircraft, electronic enclosures, heat exchangers, and cabinets.
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 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