Schweitzer Engineering Laboratories

Schweitzer Engineering Laboratories, Inc. (SEL) is a pioneering company in the electrical equipment industry, founded in 1982 by Dr. Edmund O. Schweitzer III. Headquartered in Pullman, Washington, SEL specializes in designing and manufacturing advanced digital products and systems that protect, automate, and control critical infrastructure worldwide.

With a workforce exceeding 7,000 employees globally, SEL operates in all 50 U.S. states and more than 170 countries, establishing itself as a trusted leader in electric power system protection and automation. The company's mission is to make electric power safer, more reliable, and more economical.

When Was Schweitzer Engineering Laboratories, Inc. (SEL) Established?

Founded: 1982
Founder: Dr. Edmund O. Schweitzer III
Headquarters: Pullman, Washington, USA
Industry: Electrical equipment
Employees: 7,000+ worldwide
Annual Revenue: Not publicly disclosed

Schweitzer Engineering Laboratories (SEL) Mission Statement

"We make electric power safer, more reliable, and more economical."

What Is Schweitzer Engineering Laboratories, Inc. (SEL) Known For?

SEL is recognized for its innovative contributions to the electrical equipment industry, including designing the first microprocessor-based digital protective relay. The company is dedicated to delivering high-quality, reliable products and services.

Industry-Leading Digital Protective Relays

SEL revolutionized protection systems with the SEL-21, the first microprocessor-based digital protective relay, followed by benchmark products like the SEL-351 and the SEL-T400L, known as the fastest relay worldwide. These products set the standards for safety and efficiency in power system protection.

Employee-Owned Structure and Warranty

As a 100% employee-owned company, SEL fosters a culture of long-term stability and customer focus. Their industry-leading ten-year worldwide warranty underscores their commitment to quality and engineering excellence.

Comprehensive Product and Service Offerings

SEL provides a broad range of solutions including power system protection and control, fault indicators, electrical enclosures, power management, protection and automation services, and cybersecurity analysis, catering to utilities, transportation, and government sectors.

Where Does Schweitzer Engineering Laboratories, Inc. (SEL) Operate?

SEL has a significant presence across the United States, operating in all 50 states, and extends its reach globally to more than 170 countries. Key U.S. facilities include their headquarters and manufacturing plants in Pullman, Washington, and multiple electronic device and assembly factories spread throughout Idaho, Illinois, Indiana, North Carolina, and internationally in Mexico, Colombia, Brazil, and Saudi Arabia.

Major Locations of Schweitzer Engineering Laboratories, Inc. (SEL)

Main sites include Pullman, Washington (headquarters and manufacturing), Lewiston and Moscow, Idaho (manufacturing and printed circuit board fabrication), Lake Zurich, Illinois, West Lafayette, Indiana, and Charlotte, North Carolina (manufacturing and assembly). Internationally, SEL has regional panel assembly factories in San Luis Potosí, Mexico; Bogotá, Colombia; Campinas, Brazil; and Khobar, Saudi Arabia.

Who Owns Schweitzer Engineering Laboratories, Inc. (SEL)?

Schweitzer Engineering Laboratories, Inc. is privately held and distinguished by its 100% employee ownership. This ownership model ensures a focus on innovation, quality, and customer service, setting SEL apart as a leader in the electric power industry with a strong market position and a commitment to long-term growth.

Is Schweitzer Engineering Laboratories, Inc. (SEL) Currently Hiring?

You can check out the open positions that Schweitzer Engineering Laboratories, Inc. (SEL) has right here on OysterLink.