Simpson Electric Company has been a leader in the panel and test instrument industry since 1927. Today, Simpson continues its commitment to quality and innovation and is dedicated to the highest level of customer service and company growth. While Simpson Electric Company, chartered in 1936, is a firm with a distinguished past, it is just as importantly an organization with a dynamic present and a definite future. The famous 260 Volt-Ohm-Milliammeter put Simpson on the map and cemented a reputation for quality.