High Voltage Service/DYMAX Service is a growing testing, repair and engineering company, in the business since 1981, specializing in electrical power solutions. High Voltage Service/DYMAX Service provides services to equipment that ensure safe, efficient and reliable generation, transmission and distribution of electricity. Our objective is to ensure that you have the power you need, when you need it. For thousands of satisfied companies through out the United States, High Voltage Service/DYMAX has solved electrical problems through engineering, testing, preventive maintenance, repair, replacement and power system analysis on both routine and emergency basis.