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Electromagnetic Compatibility Qualification Testing

 Engineering Services

Since 1979

DNB Engineering, Inc. is a full-service test lab that was founded by Alwyn Broaddus and has been family-owned and operated since 1979.  DNB is fully staffed to provide customers with EMC (Electromagnetic Compatibility), Lightning, HIRF, Environmental, Product Safety, and Regulatory Testing. Headquartered in Fullerton, CA, and more testing facilities in Riverside, CA, Anaheim, CA, Coalville, UT, and Chandler, AZ.

More About Us


We perform testing services for a variety of exacting
military and commercial test standards, including
RTCA/DO-160, MIL-STD-461, MIL-STD-464,
MIL-STD-704, MIL-STD-1399, RS105, 40GHz,
Section 20, 21, 22, 23 and ARP5412,
5413, 5414, 5415, 5416.



Programs & Industries

DNB Engineering, Inc. has been a part of just about every major Military, Aerospace, Automotive, and Commercial programs in the last 40 years. When the requirements are challenging, and you need a test lab that has the experience and expertise to get you through the requirements,


DNB Engineering is your answer.

Learn More

DNB Fullerton, California - H.Q. Facility

DNB Anaheim, California - Lightning Facility

DNB Chandler, Arizona

DNB Coalville, Utah

DNB Riverside, California