Atrem S.A. is a Poland-based engineering company specializing in comprehensive services for large-scale infrastructure and construction projects, primarily in the energy sector. It focuses on industrial automation, electrical power engineering, renewable energy, and telecommunications, delivering end-to-end solutions from design and implementation to operation and maintenance. Key offerings include process automation systems for the oil and gas industry, cogeneration solutions, proprietary cathodic protection systems with rectifiers and monitoring software, as well as control and measurement equipment, telemetry, regulation, electronics, metrology, and air conditioning, ventilation, and heating installations. Atrem S.A. serves major clients in gas engineering and construction, power utilities, and national infrastructure projects, acting as both a general contractor and subcontractor. Founded in 1999 and headquartered in Bydgoszcz, Poland, the company plays a vital role in Poland's energy transition and infrastructure modernization through its expertise in automation and power systems.