Spectral Dynamics'​ products are used for design verification, product testing and process improvement by manufacturers of all types of electronic and mechanical products. Spectral Dynamics' products are used for design verification, product testing and process improvement by manufacturers of all types of electronic and mechanical products. A privately held corporation with more than 100 employees, Spectral Dynamics has offices in San Jose and San Juan Capistrano California, Detroit Michigan, Baltimore Maryland, France, Germany, India and the United Kingdom as well as sales and service representatives worldwide.