Founded as a small Ohio business in 1957, Electrolock manufactures custom electrical and thermal insulation solutions for high-voltage equipment, batteries, wire and cable. Its engineers combine materials design, converting, and analytical and high-voltage testing to develop insulation that fits demanding applications, including protection against thermal runaway in electric-vehicle batteries. Electrolock operates from Ohio and South Carolina and serves customers worldwide.
ISO 9001:2015
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
Extol of Ohio, IncFounded in 1985, Extol of Ohio is a woman-owned Norwalk manufacturer known for precision-fabricated insulation systems for demanding process facilities. Its work helps industrial customers reduce installation labor and control heat across piping and equipment, with products distributed throughout the United States and shipped internationally.NORWALK, OH
Industrial Energy Products, IncSince 1993, Industrial Energy Products has manufactured American-made high-temperature materials and custom-fabricated insulation and fire-protection components at its Lancaster County, Pennsylvania facility. Its full-service shop takes projects from design and prototypes through production, with particular expertise in custom high-temperature gaskets and fire-rescue equipment. The company serves demanding applications in fields including power generation, manufacturing, defense, and firefighting.MOUNT JOY, PA
Ohio Valley Industrial ServicesEstablished in 1981, Ohio Valley Industrial Services serves industrial, research, and power-generation customers with specialized equipment and components. The company is particularly represented by its Parker instrumentation offerings and its custom HotCaps™ removable insulation covers.327993CORAOPOLIS, PA