Since electrical engineer Stanley D. Myers founded it in 1965, SDMyers has built its identity around helping owners understand and extend the reliable life of transformers. The Tallmadge company grew from Myers’s early research into transformer-oil processing and now supports commercial, industrial, and municipal organizations through its large-scale testing laboratory and nationwide field network. Its MaxLife philosophy reflects a data-driven, long-term approach to keeping electric power equipment dependable.
ISO Certification
ANAB/ANSI Certificate of Accreditation
NFPA 70B Standard for Electrical Equipment Maintenance
Compliance program
ISO
Quality certification
Emerald TransformerFor more than 50 years, Emerald Transformer has managed the full life cycle of oil-filled electrical equipment, repairing and remanufacturing transformers while recycling or disposing of units that have reached the end of service. With more than 450 associates and facilities across the United States, the company combines factory repair with mobile field service for utilities and industrial customers. Its vertically integrated operation also includes five permitted PCB commercial storage facilities and processes more than 300,000 units annually, recycling 98% of them.TWINSBURG, OH
Sunbelt SolomonSunbelt Solomon is a leading electrical transformer company providing reliable solutions for transformer needs, backed by over 100 years of combined experience. They offer comprehensive, configured solutions for utility, industrial, and commercial applications, including buying, designing, maintaining, recycling, renting, repairing, and selling transformer equipment.SHARON, PA
Staco Energy Products CompanySince manufacturing its first variable transformer in Dayton in 1937, Staco Energy Products Company has built power-quality and voltage-control equipment for critical electrical applications. The Miamisburg, Ohio manufacturer is described as the oldest and largest U.S. maker of variable transformers, and it continues to support equipment made as far back as 30 years ago. Staco also provides factory-trained service, including start-up, maintenance and repair support, for both current and legacy systems.MIAMISBURG, OH
SGB-SMIT GroupFounded in 1913, SGB-SMIT Group is a European transformer specialist manufacturing equipment for generating and distributing electricity. The group operates 15 sites across three continents and eight countries, with about 3,800 employees supporting projects from industrial power systems to renewable generation. Its transformer service teams also diagnose, maintain and repair both SGB-SMIT and other manufacturers’ transformers internationally.LOUISVILLE, OH