Verified Nov 2026
Other
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Devens, Massachusetts
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Since 2018
Hermeus is a United States company founded in 2018 and headquartered in Devens, Massachusetts. It develops hypersonic aircraft and related propulsion and test systems, serving the aerospace, defense, and automotive sectors among others. The company is privately held and falls in the 200-500 employee band, with estimated revenue below $10 million. In September 2026, it announced a production licensing agreement to manufacture Pratt & Whitney's F100-PW-229 engine.
Hermeus at a glance
Revenue
<$10M
Est. band
Employees
200-500
Founded
2018
Headquarters
Devens, Massachusetts
Certifications
ITAR registered
Industries
Automotive
Electric Vehicles
Military & Defense
Industrial Equipment
Aerospace
STABILITY SIGNALS
Established & active
8 years in operation (founded 2018).
Holds ITAR registered certification(s) per public sources.
Overview
Hermeus is a United States company founded in 2018 and headquartered in Devens, Massachusetts. It develops hypersonic aircraft and related propulsion and test systems, serving the aerospace, defense, and automotive sectors among others. The company is privately held and falls in the 200-500 employee band, with estimated revenue below $10 million. In September 2026, it announced a production licensing agreement to manufacture Pratt & Whitney's F100-PW-229 engine.
At a glance
Attribute | Detail |
|---|---|
Founded | 2018 |
Headquarters | Devens, Massachusetts |
Employees | 200-500 |
Revenue | <$10M (estimated) |
Certifications | ITAR registered |
What Hermeus makes
Hermeus holds ITAR registration and lists hypersonic aircraft, high-mach test vehicles, and engine testing among its activities, including the Ramjet-X test vehicle unveiled in September 2026.
Products and capabilities described on the company's own site include LED (source: hermeus.com).
Certifications
Hermeus is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ITAR registered — hermeus.com
Latest developments
2026-09-15 — Hermeus to Manufacture Pratt & Whitney’s F100-PW-229 Engine Under New Production Licensing Agreement (hermeus.com)
2026-09-09 — Hermeus Unveils Ramjet-X, a Low-Cost Test Vehicle for High-Mach Flight (hermeus.com)
2026-09-03 — Hermeus Selects Anduril to Bring Mission Autonomy to High-Mach Flight | Anduril (anduril.com)
2026-07-17 — $350M to Build the Fastest Aircraft in the World for the American Warfighter (hermeus.com)
2026-05-28 — Hermeus Scales DIU Contract to $219M to Demonstrate High-Mach Flight for Department of War (hermeus.com)
2026-05-11 — Hermeus Announces Executive Leadership Transition; Zach Shore Named CEO, AJ Piplica Remains Executive Chairman (hermeus.com)
Company details
Hermeus is privately held and reports a $219 million Defense Innovation Unit contract scaled up in May 2026 to demonstrate high-mach flight for the Department of War. Hermeus was founded in 2018, has an estimated 200-500 employees, and is headquartered in Devens, Massachusetts. On the LightSource stability read it is rated "Established & active": 8 years in operation (founded 2018). Holds ITAR registered certification(s) per public sources.
Frequently asked questions
What does Hermeus do?
Hermeus is a United States company founded in 2018 and headquartered in Devens, Massachusetts. It develops hypersonic aircraft and related propulsion and test systems, serving the aerospace, defense, and automotive sectors among others. The company is privately held and falls in the 200-500 employee band, with estimated revenue below $10 million. In September 2026, it announced a production licensing agreement to manufacture Pratt & Whitney's F100-PW-229 engine.
Where is Hermeus headquartered?
Hermeus is headquartered in Devens, Massachusetts.
When was Hermeus founded?
Hermeus was founded in 2018.
How big is Hermeus?
Hermeus has an estimated 200-500 employees, with revenue in the <$10M range (estimated).
What certifications does Hermeus hold?
Hermeus lists ITAR registered on its website. Confirm the certified scope for the specific plant producing your part.
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Last verified Nov 2026. Is this your company? Request a correction.
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