DNB Engineering, Inc. is a full-service test lab that has been family-owned and operated since 1979. We are fully staffed to provide customers with unrivaled Electromagnetic Compatibility (EMC), Lightning (Direct & Indirect Effects), High Intensity Radiated Fields (HIRF), Environmental and Product Safety Testing. DNB proudly serves the world from six convenient facilities with four locations in Southern California, one in Utah and one in Arizona. DNB also provides valuable engineering and design services for many customers. Out-of-the-box answers to difficult challenges are our specialty.