Nicolaas Pronk

Heerema Group Services SA operates as a holding company with interest in manufacturing oil field constructions. The firm also builds infrastructure and high rise equipment for the offshore gas industry and the petrochemical sector. The company has offices in Switzerland, Luxembourg and the Netherlands. The firm was founded in 1948 and is headquartered in The Hague, the Netherlands.

Heerema Holding Construction, Inc. operates as a holding company with interests in providing offshore installation, steel construction, heavy transport and onshore infrastructure services for the oil & gas industry. The firm provides engineering, project, construction and infrastructure solutions. The company is headquartered in Geneva, Switzerland.

Heerema Holding Co., Inc. functions as an investment holding Panamanian company. The private company is based in Panama City, PA. and has subsidiaries in United States, Poland, Netherlands, Luxembourg and United Kingdom.

Heerema Group is a holding Dutch company that specializes in offshore infrastructure and engineering fabricated structures. Its subsidiaries provide transportation, installation, and removal services for these structures.

Part of Heerema Holding Co., Inc., Asteck SA is a private investment vehicle. The company is based in Luxembourg, Luxembourg.

Heerema Marine Contractors Holding SE operates as a holding companies with activities in the marine contractors industry. The company is headquartered in Leiden, the Netherlands.