Schweitzer Engineering Laboratories

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Schweitzer Engineering Laboratories, Inc. (SEL) designs, manufactures, and supports products and services ranging from generator and transmission protection to distribution automation and control systems. Founded in 1982 by Edmund O. Schweitzer III, SEL shipped the world's first digital protective relay. Presently, the company designs and manufactures embedded system products for protecting, monitoring, control, and metering of electric power systems. The company serves a variety of industries, including utilities, pulp and paper, transportation, water and wastewater, education, healthcare, government, mission-critical facilities, and oil, gas, and petrochemical operations. SEL is 100 percent employee owned, headquartered in Pullman, Washington, with about 2,300 based there in addition to 2,700 employees in field offices and other manufacturing facilities in about 60 national locations, in addition to another 50 international.