SEL partners with customers around the world to ensure the safe, reliable, and economical delivery of electric power. We design, manufacture, and support a complete line of products and services, ranging from generator and transmission protection to distribution automation and control systems. An employee-owned company, SEL's core values drive the way we view our community, industry, company, and environment. Our mission is simple: to make electric power safer, more reliable, and more economical.

In each of our four world class manufacturing centers, we maintain a close relationship between Manufacturing and R&D, which enables us to rigorously adhere to high-quality standards, beginning with initial designs and extending through manufacturing and field support. We design and manufacture fault indicators and sensors in Lake Zurich, Illinois, and panels and control houses in San Luis Potosí, Mexico. Our other product lines are manufactured at our corporate headquarters in Pullman, Washington, and at our facility in Lewiston, Idaho.

In addition to manufacturing, SEL provides services, education, and support for a variety of industries. Our Government Services Division is dedicated to the security, safety, and reliability of electric power at facilities ranging from ships to military bases, while our Engineering Services Division provides engineering expertise and system solutions to customers worldwide. SEL University offers training that helps our customers meet the technical challenges of integrating digitally based technologies into the expanding power system infrastructure.

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