Santronics, Inc. is an electrical/electronic manufacturing company based out of Sanford, North Carolina, United States. Santronics is a technology company based in Sanford, North Carolina. For more than 25 years, we have provided the best electronic instrumentation available. Our voltage sensors remain the only ones available that do not react to static electricity. As always, all of our voltage sensors are proudly designed and manufactured in the USA. Santronics is a sister company of Static Control Components.