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Hermeus

111 open50 filled
Atlanta, GAFounded 2018376+ employees$566.0M raisedGrowthPrivate
Last round: series c · $200M · Apr 2026(9 rounds total)
Founded by AJ Piplica
Backed by(26 investors)
Canaan PartnersKhosla VenturesNASASam AltmanUnited States Air ForceHercules CapitalKarman VenturesRTX VenturesSocium VenturesGeorgia Tech FoundationFounders FundTrinity CapitalPinegrove Capital PartnersBling Capital137 Ventures

Hermeus is building Quarterhorse, a Mach 5+ hypersonic aircraft that will radically accelerate air travel. Their reusable turbine-based combined-cycle engines power both commercial and defense applications, with US Air Force contracts to develop autonomous hypersonic platforms.

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