Epirus

Epirus is a Los Angeles-area defense technology company specializing in solid-state, long-pulse high-power microwave (HPM) systems, electronic warfare, and advanced smart power management. Its flagship product line - the Leonidas system - uses software-defined HPM technology to defeat drone swarms, counter unmanned aerial systems (UAS), and protect high-value assets across ground, air, sea, and space domains. Unlike traditional kinetic or laser-based defenses, Epirus' approach delivers scalable, repeatable electromagnetic effects at a fraction of the per-engagement cost of conventional weapons, making it a disruptive force in layered short-range air defense.

The company's technology stack combines cutting-edge solid-state microwave emitters with proprietary software, AI, and advanced power electronics - a capability set it markets as "SmartPower." Epirus has delivered systems to the U.S. Army, Marine Corps, and Navy, and has partnered with major primes including General Dynamics Land Systems. Products range from fixed/semi-fixed installations for base protection to vehicle-mounted maneuver systems and compact handheld/pod-form-factor devices for special operations. In early 2026, Leonidas demonstrated a 100% defeat rate against a 49-drone swarm in a live-fire event, underscoring the maturity of the platform.

From a US energy supply chain perspective, Epirus is significant as a domestic manufacturer of directed energy and advanced power systems - critical equipment for both national defense and the protection of energy infrastructure against drone threats. Its SmartPower technology addresses one of the most pressing challenges in battlefield and grid-edge applications: managing high-power electrical loads efficiently and reliably. With rapidly growing government contracts, a $250M Series D in 2025, and partnerships spanning the Army, Navy, Marine Corps, and allied nations (including Singapore's DSTA), Epirus represents a pivotal node in the US defense energy and directed energy supply chain.