Founded in 1977, Mesta Electronics designs and manufactures advanced power quality and power conversion equipment, with a particular niche in precise induction-heating power supplies for crystal growth, semiconductor materials, and optical fiber production. Its engineering-led team develops custom solutions and tests each power supply under load, including systems used in renewable-energy projects and demanding industrial facilities. Mesta became part of Hammond Power Solutions in 2021 and continues to operate as a U.S.-made power-electronics manufacturer.
IEEE-519 Requirements
Compliance program
Advanced Energy Industries, IncFor more than 40 years, Advanced Energy Industries has built a global business around solving difficult power-delivery problems. Founded in 1981, the company designs and manufactures precision power conversion, measurement, and control solutions for mission-critical customers, with particular depth in semiconductor manufacturing and other high-performance equipment.LOCKPORT, NY
UltraFlex Power TechnologiesFounded in 1998, UltraFlex Power Technologies designs and manufactures industrial induction heating equipment, from digitally controlled power systems to casting and melting machines. Based in Ronkonkoma, New York, the company supports manufacturers and research institutions with custom equipment, application engineering and three R&D laboratories, serving customers across the Americas and Europe. Its patented SmartPower modular systems are designed to reduce downtime and expand as production needs grow, while manufacturing facilities in New York, California and Bulgaria operate under ISO 9001-certified quality management.RONKONKOMA, NY
Process TechnologyFounded by Tom Richards in 1978, Willoughby-based Process Technology designs and manufactures industrial heating, power-supply and process-control equipment, with a particular focus on ultra-high-purity systems for semiconductor and wafer processing. Its cleanroom assembly and custom engineering work support demanding applications in surface finishing and other industrial markets, while the 2025 acquisition of Kepco expanded its power-supply capabilities. Process Technology’s design, production and distribution operations are ISO 9001:2015 certified with design certification.WILLOUGHBY, OH
Applied Power Systems, IncFounded in 1996, Applied Power Systems is a Hicksville power engineering and manufacturing company known for solving demanding high-power electronics problems through in-house design, testing, and production. Its work serves industrial customers, rail systems, and research laboratories, including custom power-conversion systems for applications such as cryogenic magnets. APS operates under an ISO 9001-certified quality system and continues to manufacture semiconductor assemblies under its own brand.HICKSVILLE, NY