HII UNMANNED SYSTEMS, INC

HII Unmanned Systems, Inc. specializes in the design, integration, and technical support of advanced aeronautical and nautical systems, with a primary focus on unmanned underwater and surface vehicles for defense applications. The company delivers end-to-end engineering services for search, detection, navigation, and guidance instrumentation, including system upgrades for side-scan sonar, vehicle battery systems, and mission-critical firmware modifications. Their technical expertise spans embedded systems development, electro-optical sensor integration, autonomous navigation algorithms, and ruggedized hardware certification for maritime environments. They provide sustained contractor support for complex defense platforms, combining systems engineering with field-deployable maintenance and modification services to ensure operational readiness across dynamic mission profiles. The contractor’s primary client is the Department of Defense, where they consistently support naval and maritime unmanned systems programs through engineering services and direct hardware sustainment. Their work includes technical refreshes of existing platforms, firmware modernization, and systems-level integration for underwater surveillance and reconnaissance missions. There is minimal engagement with other federal agencies, indicating a highly specialized defense-focused portfolio. The company’s industry focus centers on manufacturing and engineering for autonomous maritime systems, as reflected in their dominant NAICS codes for aeronautical and nautical instrument manufacturing and engineering services. They operate at the intersection of hardware fabrication and mission systems integration, positioning themselves as a niche provider for U.S. Navy and Marine Corps unmanned systems modernization. HII Unmanned Systems, Inc. is a small business entity headquartered in Pocasset, Massachusetts, with no federal certifications on record. Their geographic presence is concentrated in the Northeast, leveraging regional defense industrial base capabilities to support classified and unclassified naval programs. The company maintains a lean, mission-driven structure optimized for responsive technical support and system-level innovation in undersea warfare domains.