Since 1977, Elgin Power Solutions has designed, manufactured, and installed specialized medium- and high-voltage electrical power systems from its West Virginia manufacturing facility. The company combines in-house engineering, fabrication, and construction for turnkey substations and high-voltage EPC projects, while also maintaining a distinctive focus on mobile utility equipment and explosion-proof enclosures for mining and tunneling. Its field service teams support customers through startup, testing, and ongoing maintenance.
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Powercon CorporationFounded in 1954, Severn, Maryland-based Powercon Corporation engineers and manufactures custom metal-clad and metal-enclosed switchgear and specialized electrical power distribution systems. The company builds its own steel structures and weldments and assembles equipment in-house, tailoring configurations and delivery schedules to customer requirements. Powercon also operates electrical testing facilities and supports installed equipment with factory-trained field service engineers.SEVERN, MD
Westinghouse Electric CorporationWestinghouse Electric Corporation supplies low- and medium-voltage electrical distribution equipment, critical-power systems, and related industrial services. The company traces the Westinghouse name to 1886 and serves applications ranging from data centers and hospitals to oil and gas, mining, and industrial facilities. Its power portfolio includes tailored generator sets from 10 to 2,500 kVA alongside equipment for electrical protection, measurement, and distribution.PITTSBURGH, PA
Helios Electric LLCHelios Electric LLC is a full-service electrical engineering, construction, and design firm for high-, medium-, and low-voltage power systems. Its capabilities include electrical equipment manufacturing and integration, power system design and studies, field retrofits, inspection, testing, commissioning, automation, and SCADA solutions for utility, industrial, railway, water and wastewater, aviation, healthcare, and mission-critical facilities.GAITHERSBURG, MD
Crown Electric Engineering and Manufacturing LLCCrown Electric grew from the former Westinghouse Iso Phase bus plant in Cincinnati, where its founders acquired the plant’s intellectual property and assets after the facility closed around 1986. Now based in Middletown, Ohio, the company works from a purpose-built factory expanded to more than 50,000 square feet, with a reputation built around hands-on service for the electrical power industry. Its mobile machine shop allows field crews to make or modify parts at a job site, a practical distinction during demanding maintenance and upgrade work.MIDDLETOWN, OH