Since our foundation in 1978, SES has been recognized as an undisputed world authority on the effects of soil on the interaction between electric installations and other utilities such as gas and oil pipelines, communication industries, and railway electrification. SES holds the distinction of being the only company worldwide totally dedicated to providing the scientific and engineering communities with expertise, software, and training for the solution of complex problems related to grounding, electromagnetic interference and electric transients such as lightning. SES has earned an international reputation for pioneering work in grounding and in electromagnetic and conductive interference analysis involving electrical networks. Typical areas of application of our R&D work include electrical system networks and neighboring utility installations such as oil and gas pipelines, telecommunications cables, and railway tracks. SES’s leadership is maintained through an active R&D program, regular involvement in the analysis of a wide variety of practical and challenging industrial problems, and our support of a superior and growing line of software modules for engineering applications. The CDEGS software package is our flagship product. This industry-leading application and its various subpackages constitute a powerful set of integrated engineering software tools designed to accurately analyze problems involving grounding, lightning, electromagnetic fields, and electromagnetic interference including AC/DC interference mitigation studies and various aspects of cathodic protection and anode bed analysis with a global perspective, starting literally from the ground up.