Magnetic Specialties, Inc. (MSI) of Telford, Pennsylvania provides custom engineering and manufacturing of transformers, reactors, and power supplies. The company supports OEMs with specialized electrical components and devices, operating a modern 20,000 square foot manufacturing facility.
UL Recognized insulation system
CE marking with declaration of conformity (ROHS and Low Voltage Directive)
Compliance program
MCI Transformer CorporationFor more than 50 years, MCI Transformer Corporation has manufactured catalog and custom transformers and magnetic components, pairing standard designs with application-specific engineering. Its design engineers bring over 100 years of combined transformer experience, while a network of regional factories gives the company a small-company service approach with broader purchasing and production capacity. MCI’s products are certified through agencies including UL, CSA and TÜV-CE.WEST BABYLON, NY
Control Transformer, IncEstablished in 1953, Cortland, Ohio-based Control Transformer designs and manufactures custom magnetic solutions for demanding power applications. The ParkOhio company has developed more than 14,000 individual magnetic specifications, with long-tenured engineering and manufacturing teams supporting projects from concept through delivery. Its ISO 9001-compliant quality system and reported failure rate below 1% reflect a focus on dependable products, including magnetics built for harsh mining and industrial environments.CORTLAND, OH
Norlake Manufacturing CompanyFor more than 50 years, Norlake Manufacturing Company has designed and built custom transformers and magnetics in Northern Ohio, growing from four employees to more than 100 across four Lorain County facilities. Its engineering team brings over a century of combined transformer-design experience to prototypes, production runs, and specialized medium-voltage work, including the patented Eagle 18-pulse autotransformer. Norlake has been privately owned under its current ownership for over 40 years and is ISO 9001:2015 certified.NORTH RIDGEVILLE, OH
AcutranFounded in 1970, Acutran designs and manufactures custom dry-type transformers and other magnetic power products at its 30,000-square-foot facility in Fombell, Pennsylvania. The company serves critical-power applications and highlights custom engineering and manufacturing as core capabilities; it is also described as a certified Veteran Owned Business.BRIDGEVILLE, PA