JWW Invest S.A. engages in the modernization and repair of energy equipment in Poland. The company provides commercial power engineering services, such as boiler supporting steel structures, assembly of boiler pressure parts, assembly of the mechanical range, assembly of auxiliary devices and components, installation of boiler and external pipelines, repairs and installation of steam and water boilers, steam boiler service, and prefabrication of industrial and technological pipelines; and renovations and modernization services, including slag and ash removal, carburizing, water preparation and cooling system, exhaust gas circulation system, and repairs of ESP electrostatic precipitators, as well as air, oil, steam, and biomass installations. It is also involved in the provision of industrial energy services, such as assembly of steel structures, installation of technological equipment, assembly and repairs of high-pressure pipelines, production and assembly of auxiliary steel structures, and maintenance services; and other services, such as quality assurance, preparation and conduct of hydraulic pressure tests, annealing services, securing steel structures, painting steel structures, NDT services, tools, planning of works on industrial and energy facilities, precision CNC machining, and milling and turning of plastics and metals. JWW Invest S.A. was founded in 2012 and is headquartered in Katowice, Poland.