DNB Engineering, Inc.

Aviation and Aerospace Component ManufacturingCalifornia, United States11-50 Employees

DNB Engineering, Inc. is a mid-sized, family-owned testing and engineering services firm based in Fullerton, California, with additional facilities in Anaheim and Coalville, Utah, and a history dating back to 1979. The company focuses on electromagnetic compatibility and related assessments, including lightning, high-intensity radiated fields, environmental, product safety, and regulatory testing for electronics and electrical systems. It serves a range of industries, including military, aerospace, automotive, medical, and telecommunications, supporting clients through testing and evaluation of their products.

Its capabilities include specialized testing environments and equipment that enable high-level HIRF, EMI/RF susceptibility testing, EMP, and direct and indirect lightning tests, aligned with standards used in defense and commercial applications. DNB Engineering has supported high-profile programs and manufacturers such as NASA, Airbus, Boeing, SpaceX, Lockheed Martin, and others, reflecting its long-standing presence in the sector. In 2017, the firm was recognized as a Conformity Assessment Body under APEC Tel MRA, indicating its participation in international mutual recognition for telecommunications equipment.

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