Schweitzer Engineering Laboratories Inc

About

Schweitzer Engineering Laboratories Inc is a premier electronics manufacturer headquartered in Pullman, Washington, specializing in electric power system protection, automation, and monitoring technologies. Founded in 1984 by Dr. Edmund O. Schweitzer III, this 100% employee-owned company has grown to over 7,000 employees worldwide while pioneering microprocessor-based digital protective relay technology since 1982. SEL designs and manufactures advanced protective relays, automation controllers, and power system equipment that make electric power safer, more reliable, and more economical. Their comprehensive product portfolio includes digital protective relays, Real-Time Automation Controllers, underground fault indicators, substation automation systems, and cybersecurity solutions for critical power infrastructure applications. Operating multiple manufacturing facilities across the United States, SEL maintains exceptional quality standards backed by an industry-leading 10-year worldwide product warranty. The company provides complete engineering consulting, testing, and design services, delivering integrated solutions for utility companies, industrial facilities, and power system operators globally. With core values centered on quality, innovation, and customer focus, SEL has established itself as a trusted leader in power system protection manufacturing. Their commitment to employee ownership and community involvement drives continuous innovation in electrical protection technology, ensuring reliable power delivery for critical infrastructure applications worldwide.