Schweitzer Engineering Laboratories, Inc. (SEL) was founded in 1982 by Edmund O. Schweitzer III and is a leading designer, manufacturer, and supporter of products and services across various sectors. Their offerings range from generator and transmission protection to distribution automation and control systems. SEL made history by shipping the world’s first digital protective relay.
Today, SEL continues to innovate, designing and manufacturing embedded system products for the protection, monitoring, control, and metering of electric power systems. The company’s clientele spans diverse industries such as utilities, pulp and paper, transportation, water and wastewater, education, healthcare, government, mission-critical facilities, and oil, gas, and petrochemical operations.
As a 100% employee-owned company, SEL is headquartered in Pullman, Washington. They have approximately 2,300 employees based in Pullman and an additional 2,700 employees in field offices and other manufacturing facilities across about 60 locations in the U.S., along with another 50 international locations.
