Schweitzer Engineering Laboratories, Inc. invents, designs, and builds digital products and systems that protect, automate, and control critical infrastructure, with a focus on electric power systems. Founded in 1984, the 100% employee-owned company is headquartered in Pullman, Washington, and manufactures products in the United States through five manufacturing centers.
ISO 27001—Information Security
IEC 62443-4-1—Secure Product Development Lifecycle Requirements
IEC 62443-2-4—Secure Project Development Lifecycle Requirements
ISO 9001—Quality Management
ISO 14001—Environmental Management
ISO 45001—Occupational Health and Safety
ISO/IEC 17025:2017—Electrical
ISO/IEC 17025:2017—Mechanical
100% Employee-Owned
ISO17025
Quality certification
System Engineering International, IncSince its founding in 1977, System Engineering International has built its identity around American-made critical-power equipment from its 24,000-square-foot Frederick, Maryland, manufacturing facility. With more than 30,000 systems shipped worldwide, the company is known for supporting infrastructure that cannot afford a power interruption, particularly in industrial and telecommunications settings. SEI also helped shape the IEEE 802.3af Power over Ethernet standard and has manufactured midspan equipment since 2003.FREDERICK, MD
S&C Electric CompanyS&C Electric Company has spent more than a century developing electrical technology, beginning with its invention of the Liquid Power Fuse. Since 2012, the company has been 100% employee share-owned through an ESOP, carrying that history into power-system equipment and services for utilities and commercial and industrial facilities.ROCKVILLE, MD
RusselectricRusselectric designs and builds high-integrity power control systems for facilities where an outage can threaten lives, property, data, or business continuity. Its U.S.-manufactured systems include high-speed switching equipment and are custom-built for mission-critical settings such as hospitals, airports, and defense facilities. Siemens supports the Russelectric portfolio with factory-trained field technicians for installation, maintenance, and upgrades.NOVA, OH