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, we have doubled our testing capability with the second facility in Fullerton (Raymer Avenue), just a few blocks away. We also have facilities in Anaheim, CA, Chandler, AZ, Coalville, UT, Riverside, CA. 

We are experienced in testing and supporting a diverse array of industries. We regularly perform tests in these categories, including but not limited to, MIL-STD-461, RTCA DO-160, MIL-STD-810, MIL-STD-202 and EIA-364 (MIL-STD-1344 superseded) requirements. We also offer a full range of Product Safety and EMC tests for FCC, UL, CE Mark, CSA, and many other agency approvals.

Our capabilities include GR1089 NEBS / BELLCORE testing. We also specialize in Indirect and Direct Lightning testing. We are at the Defense Supply Center, Columbus (DSCC) Laboratory Suitability Listing and we're ISO 17025 approved. We are NVLAP Accredited to ISO/IEC 17025 and also NEMKO Authorized.

DNB also provides valuable engineering and design services for many of our customers. We have the engineering staff available to not only help solve problems that arise during testing but to assist you in the early design phase of your product to eliminate costly problems before testing.