Schweitzer Engineering Laboratories Private Limited operates in the electric power sector, inventing, designing, and building digital products and systems that protect, automate, and control critical power infrastructure globally. The company's work spans digital protection, automation, control systems, and power systems engineering, serving electric power utilities and industries worldwide. It was a pioneer in the field, having introduced the first microprocessor-based digital protective relay, a product that revolutionized transmission line protection by significantly reducing costs compared to traditional electromechanical relays.
Headquartered in Pullman, Washington, USA, the company maintains a substantial global footprint. It serves customers in more than 170 countries through a network of over 100 worldwide offices and operates five manufacturing centers in the United States. The workforce comprises over 7,000 employee owners, reflecting a 100 percent employee-owned structure that fosters a culture of shared ownership.
This ownership model influences the company's operational priorities, emphasizing long-term customer value over short-term financial results. It supports a commitment to quality, integrity, and customer service, demonstrated through offerings like an unmatched technical support system and a ten-year worldwide warranty on its products.





