Founded in 1946 as Durolet Manufacturing Company, Cleveland’s Red Seal Electric fabricates precision composite insulating parts and distributes high-temperature insulating materials for industrial applications worldwide. Its in-house machining operation handles custom parts with tight tolerances, supported by more than 70 stocked materials and a reported 98% on-time delivery rate. Red Seal is ISO 9001:2015 certified for contract manufacturing and distribution.
ISO 9001:2015
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
Krenz Precision Machining, IncBuilt by a family of German immigrants in Cleveland, Krenz Precision Machining makes precision-machined components for industrial and commercial manufacturers. The Krenz family began its machining businesses in 1967, joined forces under the Krenz name in the 1970s, and continues to own and operate the company today from its 45,000-square-foot North Royalton facility. Krenz is ISO 9001 certified and supports production from a few hundred pieces to several million, with just-in-time and Kanban stocking options for customers.NORTH ROYALTON, OH
Advanced Material Science, LLCBased in southwestern Pennsylvania, Advanced Material Science distributes and flexibly fabricates thermal, electrical and refractory insulation materials for industrial applications. Its decades of industry experience, on-site machining capabilities and solution-based consultations help customers specify and receive custom parts on just-in-time schedules, with most finished products delivered within a week. AMS serves demanding sectors ranging from furnace manufacturing and glassmaking to power distribution, aerospace and defense.PERRYOPOLIS, PA
Dayton Waterjet & Machining LLCFor more than 20 years, Dayton Waterjet & Machining LLC has been a Dayton-based precision parts shop serving manufacturers nationwide. The company is known for cutting unusually thick or heat-sensitive materials, with an ISO 9001:2015-certified quality system supporting work for demanding customers in aerospace, energy, and manufacturing.DAYTON, OH