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The leader in aftermarket performance heat protection products. Formed in 1995, Design Engineering Inc. (DEI) is a major U.S. manufacturer and supplier of high performance automotive aftermarket products selling worldwide to a large number of commercial markets – industrial, agricultural, powersports and marine. DEI, located in Avon Lake, OH specializes in the development of thermal tuning and acoustic products. Additionally, DEI markets cryogenic intake systems and related accessories under the (CryO2) brand, nitrous oxide systems and accessories (Ny-Trex), acoustical insulation and sound deadening products (Boom Mat), and performance additives (Radiator Relief).

DEI - Design Engineering, Inc. Questions

The DEI - Design Engineering, Inc. annual revenue was $6.3 million in 2026.

3 people are employed at DEI - Design Engineering, Inc..

DEI - Design Engineering, Inc. is based in Avon Lake, Ohio.

The NAICS codes for DEI - Design Engineering, Inc. are [33, 42312, 423, 42, 4231].

The SIC codes for DEI - Design Engineering, Inc. are [501, 50].

Top DEI - Design Engineering, Inc. Employees

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