A. de Jong Groep

A. de Jong Groep is a Dutch family-owned business that has been designing, building, and maintaining sustainable climate installations for over 145 years, making it one of the 300 oldest family businesses in the Netherlands. Founded in 1877, the company has grown from its original shipyard and shipping operations into a specialist in energy and environmental technology. With headquarters in Schiedam and additional branches in Rijswijk, Zaandam, and Hilversum, the company employs more than 250 professionals who design, engineer, install, and maintain complex building installations for utility buildings across the Netherlands.

The company operates through two main divisions: A. de Jong Installatietechniek and De Jong Energy Services. The installation division focuses on mechanical engineering, electrical engineering, measurement and control technology, prefabrication, and maintenance services. The Energy Services division is a global leader in industrial combustion systems, operating under the De Jong Combustion and R&V Engineering brands, while also offering skid module assembly and process automation solutions worldwide. The company is committed to the energy transition, developing safe, low-carbon, and carbon-free solutions for indoor climate and energy systems, with a mission to assist clients in treating the climate and environment as sustainably as possible.