As part of the Asplundh family of companies, Asplundh Engineering Services (AES) delivers top-notch engineering, design, planning, testing, commissioning, construction management and consulting services for transmission, distribution, substation and renewable infrastructure markets across the U.S. . Develop conceptual, preliminary, and detailed physical substation designs for new, upgraded, and expanded medium- and high-voltage facilities, including electrical arrangements, elevations, grounding systems, conduit systems, lighting plans, and bill of materials.