High Voltage Service, Inc. solves electrical power problems through electrical engineering, electrical testing, preventative maintenance, repair, replacement, and power system analysis on either a routine or an emergency basis. Our mission is to provide the highest quality electrical power solutions while maintaining a focus and responsiveness to your electrical power needs. High Voltage Service has partnered with our customers, from Fortune 500 to utilities, to solve problems and we look forward to continued growth. High Voltage Service is a wholly owned subsidiary of DYMAX Holdings, Inc. and our Test Technicians are members of IBEW (International Brotherhood of Electrical Workers) St. Paul local 110. Our Guarantee Your satisfaction with High Voltage Service is 100% guaranteed. When you work with High Voltage Service, you will receive quality electrical service that is second to none. We strive to continually improve the long-term, trusting relationships we have developed with our customers.