www.engineeringharmonics.com Engineering Harmonics (EH) Inc. is a multidisciplinary consulting firm specializing in the conception and design of audiovisual, performance sound and digital signage solutions. Our work may be found in sports and entertainment venues, corporate offices, academic and government facilities spanning four continents. Our team receives the highest mark for creativity and innovation in delivering exceptional value to our clients. See engineeringharmonics.com for information about our people, our work and current job postings.