Energoaparatura SA operates in construction and installation market in Poland. It offers central failure signaling products, transformer voltage controllers, automatic power switching systems, tap change position indicators, non-inductive resistors, switch redundancy automated systems, bus-bar differential protection systems, converters, relays, service cases, and programmable control systems. The company also provides mining equipment; and prefabrication, measurement, and commissioning services. It serves electricity, electrical power engineering, control and measurement instrument, automation, and mining sectors. The company is headquartered in Katowice, Poland.