UNION MACHINE COMPANY OF LYNN, INC

Union Machine Co. of Lynn, Inc. specializes in the precision manufacturing of critical aircraft engine components, including metallic seals, fan shrouds, fuel pressure covers, and air seals for military aviation systems. Their technical expertise lies in high-tolerance metal fabrication, advanced machining of aerospace-grade alloys, and the production of mission-critical parts that meet stringent military specifications for durability, thermal resistance, and dimensional accuracy. The company’s specialization in sealing and containment systems for turbine and propulsion environments demonstrates deep domain knowledge in aerodynamic and pressure-boundary integrity, making them a trusted supplier for engine subsystems requiring zero-defect performance under extreme operational conditions. The contractor maintains a consistent and longstanding relationship with the Department of Defense, particularly through DLA Aviation and DLA Land and Maritime, supplying engineered components that support the sustainment and overhaul of military aircraft fleets. Their work is focused on direct replacement and repair parts for legacy and active-duty platforms, ensuring operational readiness through rapid turnaround and strict adherence to technical data packages and military drawing standards. Their primary industry focus is Aircraft Engine and Engine Parts Manufacturing (NAICS 336412), with ancillary experience in fabricated piping, bearing production, and hardware manufacturing—areas that complement their core aerospace propulsion work. This vertical specialization positions them as a niche supplier within the defense industrial base, serving the sustainment lifecycle of jet engines and auxiliary power units. As a Service-Disabled Veteran-Owned Business headquartered in Groveland, Massachusetts, Union Machine Co. operates as a small, highly specialized manufacturer with a focused workforce skilled in precision machining and quality assurance systems. Their certification underscores a commitment to national defense through veteran-led enterprise, and their geographic location supports efficient logistics to major defense hubs in the Northeast.