APS Energia SA engages in the production of power supply applications. It operates through the following segments: Power Supply Systems, Services for the Power Industry, and Other segment. The Power Supply Systems segment produces emergency supply systems, rectifiers, inverters, frequency converters, and fuel cells. The Services for the Power Industry segment engages in the design and development of automation processes and supply of devices. The Other segment provides training and advisory services. The company was founded by Piotr Sylwester Szewczyk and Pawel Szumowski in 1995 and is headquartered in Stanislawow Pierwszy, Poland.