Schweitzer Engineering Laboratories (SEL) is a company specializing in the design and manufacture of products and solutions for electric power systems. With a mission to make electric power safer, more reliable, and more economical, SEL offers a wide range of products, including protective relays, automation solutions, and control systems for utilities and industrial customers. The company also provides engineering services, technical support, and comprehensive training to optimize power systems performance. SEL is headquartered in Pullman, Washington, and serves a global customer base across multiple industries.