Schweitzer Engineering Laboratories, Inc.

  • Manufacturing
One Schweitzer Drive
Pullman, WA 99163
(509) 332-1890
(509) 338-4011 (fax)
  • About

    SEL is a 100 percent employee-owned company headquartered in Pullman, WA. We invent, design, and build digital products and systems that protect power grids around the world.