Hermeus Email Format

Aviation and Aerospace Component ManufacturingCalifornia, United States201-500 Employees

Hermeus develops high-speed aircraft with an emphasis on rapidly progressing from design through testing of high-Mach and hypersonic platforms for national security needs. The company is headquartered at 3960 Dekalb Technology Parkway, Atlanta, Georgia 30340, United States, and employs roughly 201 to 500 people. It works directly with the U.S. Department of Defense to advance capabilities and has an active Quarterhorse program comprising four unmanned high-speed aircraft designed to tackle specific technical challenges. In addition, Hermeus is developing Chimera, a turbine-based combined-cycle propulsion system intended to enable flight across subsonic, supersonic, and hypersonic regimes by integrating a ramjet with an F100 engine. In 2026 the company expanded facilities to El Segundo, California, and announced leadership changes while pursuing defense-related contracts and partnerships with entities including the Navy, Air Force, and the Defense Innovation Unit.

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