Born from Arnot Foster’s spare-bedroom enterprise, Foster Transformer Company has been a Cincinnati manufacturer since 1937. Its Northside operation is known for custom transformer work, with in-house tooling that helps the company move quickly on new programs and lower-volume production for equipment makers. Foster also supports larger production runs through its facility in Dongguan, China.
UL Listed
UL Recognized
C-UL Certified
CSA Certified
CSA Component Certified
EN 61558-1
EN 61558-2-6
EN 60335-1
ISO 9001:2000
HUBZone
Compliance program
UL Class 180 (H) Insulation System
UL
Quality certification
CSA
Quality certification
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
ELSCO TransformersFounded in Cincinnati in 1912 as a transformer repair company, ELSCO Transformers now designs, hand-builds and stocks medium-voltage power transformers for industrial and commercial customers. Since building its own dry-type units in 1988, the five-generation, privately owned company has paired in-house engineering and testing with a 95% in-stock availability target, often shipping replacements within 24 to 48 hours. That repair heritage also shapes ELSCO’s retrofit, custom bus-work and emergency replacement support when a failed transformer threatens operations.CINCINNATI, OH
Mitchell Electronics CorporationSince George Horwitz founded it in 1956, Mitchell Electronics Corporation has remained a family-owned, family-operated manufacturer of custom transformers, building prototypes and production runs to customer specifications. Now in its third generation, the Mount Vernon company works with a 35-person design and production staff and makes its products in the USA. Mitchell has held ISO 9001:2015 certification since 1998 and is known for handling both one-off designs and large-volume orders without minimum quantities.ATHENS, 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