Espey Mfg. & Electronics Corporation is a U.S.-based manufacturer and engineering services provider specializing in the design, development and production of magnetics, power conversion solutions, cable assemblies and related electronic components. Headquartered in Middlebury, Vermont, the company traces its origins to the mid-20th century and has grown to combine in-house design, prototyping, testing and production under one roof. Its product portfolio spans custom transformers, inductors and magnetic modules, as well as switch-mode power supplies, inverters and power distribution units.
Within its magnetics division, Espey develops high-reliability transformers and inductors tailored to demanding applications in avionics, defense systems, industrial controls, medical devices and telecommunications. The power electronics arm delivers turnkey power conversion solutions, while the cable and harness group produces customized wiring, interconnect and cable assembly products. The company’s polymer operations offer specialized molding, bonding and encapsulation services for environmental protection and mechanical reinforcement.
Espey serves a global customer base that includes major aerospace and defense original equipment manufacturers, medical imaging firms and industrial automation companies. With manufacturing facilities in Vermont and additional engineering support in other U.S. locations, the company adheres to industry quality standards including AS9100 and various military specifications. Its integrated approach allows for rapid design iterations, qualification testing and volume production to meet strict performance and regulatory requirements.
Leadership at Espey has remained closely linked to the founding Espey family, with an emphasis on steady engineering innovation and strategic acquisitions to expand technical capabilities. Guided by a management team experienced in both military and commercial sectors, the company continues to invest in advanced materials, automated production and testing infrastructure to support growth in aerospace, defense, medical and industrial markets worldwide.
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