SEL invents, designs, and builds digital products and systems for power management, process control, and factory automation. This technology prevents blackouts and enables customers to improve system reliability and safety at a reduced cost. A 100 percent employee-owned company headquartered in Pullman, Washington, SEL has manufactured products in the United States since 1984 and now serves customers worldwide. Our mission is simple: to make electric power safer, more reliable, and more economical. SEL owns and operates three state-of-the-art manufacturing facilities that reflect our commitment to unmatched value in our products and services. Pullman, Washington, USA, Lewiston, Idaho, USA, Lake Zurich, Illinois, USA At SEL, we want to stay close to our customers, which is why we have application engineers, customer service representatives, and sales managers in over 60 offices in the United States and in nearly 50 offices internationally. The SEL network of independent sales representatives and distributors provides additional sales support in many regions. SEL products meet the rigorous environmental and operational demands of facilities that must operate flawlessly 24 hours a day, 7 days a week.