Weidmann Electrical Technology is the world leader in transformer insulation, supplying the energy sector with specialized insulation technology and accessories. With over 145 years of innovation since 1877, the company operates globally with 18 strategic facilities in 10 countries and serves customers in more than 80 countries. Weidmann is known for inventing Transformerboard in 1937, which remains the industry standard, and offers a complete portfolio of high-quality materials for power and distribution transformers.
UN Global Compact
Compliance program
EcoVadis Silver Medal
Custom Materials, IncSince opening its doors in 1964, family-owned Custom Materials, Inc. has fabricated electrical insulation and components for power-generation, distribution and controls equipment. The Chagrin Falls manufacturer combines in-house engineering with a broad fabrication operation, with particular depth in insulating components for motors, generators and transformers. Its history includes developing transformer spacer sticks and becoming the only independent North American supplier of paper spacer sticks for distribution transformers, while its ISO 9001-registered quality system supports work in demanding industries.CHAGRIN FALLS, OH
ELANTASELANTAS is a division of the ALTANA Group that develops and manufactures high-performance insulation and protective materials for the electrical and electronics industry. With more than 100 years of expertise, it operates 19 production sites and 16 laboratories, employs more than 2,000 people, and serves customers in over 80 countries. The holding company is headquartered in Wesel, Germany.OLEAN, NY
Pittsburgh Electrical InsulationFounded in 1947 by Theodore Paul, Pittsburgh Electrical Insulation is a Pittsburgh-area electrical insulation manufacturer whose history includes developing the patented fiberglass armature banding tape that became a global standard for DC equipment. The company has since grown from a distributor into a manufacturer and converter serving OEM and repair customers, with U.S.-based production expanded through its 2020 acquisition of Fibertek’s electrical products division.MUNHALL, PA
ELANTASWith more than 100 years of expertise, ELANTAS is the Wesel, Germany-based electrical materials division of ALTANA, known for supporting the reliability of modern electrical systems. Its roughly 1,800 employees work across 19 production sites and 16 laboratories, serving customers in more than 80 countries with insulation and protective materials for electrical and electronic equipment.SCHENECTADY, NY