CFE is engaged in civil engineering, buildings and industrial construction, dredging works and electrical installations. Co. is also engaged in property development, environmental protection and building management. Co.'s works carried on by Co.'s civil engineering group includes the following: hydraulic engineering, harbor works, bridges, and other engineering works, tunnels, road construction, dams, storage tanks, piping and drainage and caissons sunken soft soil. Co.'s buildings and industrial construction sector is active in the following fields: administrative buildings, industrial construction, public utility buildings, redevelopment, and residential buildings.

Euronav is a provider of maritime shipping and offshore services engaged primarily in the transportation and storage of crude oil. As of Apr. 4, 2017, Co. owned and operated a modern fleet of 55 vessels (including four chartered-in vessels) with an aggregate carrying capacity of approximately 13.7 million deadweight tons, or dwt, consisting of 31 very large crude carriers, one ultra large crude carrier, 21 Suezmax vessels, and two floating, storage and offloading vessels. Co. has two operating segments: the operation of crude oil tankers on the international markets (tankers) and the floating production, storage and offloading operations.

Exmar is a diversified and independent industrial shipping group that serves the international oil and gas industry. Co. provides ships for products transport and performs studies, undertaking the management of commercial, technical or administrative activities. Co. specializes in gas transport activities, particularly Liquefied Natural Gas (LNG), Liquefied Petroleum Gas (LPG) and Ammonia (NH3). Co., through it's subsidiary EXMAR Shipmanagement, provides ship management and ancillary services to ship owners, including regasification and liquefication; other services offered by Co. include insurance brokerage (managed by its subsidiary Belgibo) and an in-house travel agency (Travel Plus).

Fugro collects and interprets data related to the earth's surface, soils, and rocks beneath. Co. provides advice to oil and gas, mining, and construction industries. Co. provides the people, equipment and technology that support the exploration, development, production and transportation of the world's natural resources. Co. also provides its clients with the technical data and information required to design, construct and maintain structures and infrastructure in a safe, reliable and efficient manner. Co. operates in three divisions: Geotechnical, Survey, and Geoscience.

Royal Boskalis Westminster is a service provider operating in the dredging, dry and maritime infrastructure and maritime services sectors. Co. is involved in dredging activities and provides a range of maritime services for the offshore energy sector. In addition, Co. provides towage services as well as emergency response and salvage related services. Co.'s main clients are oil, gas and power companies, port operators, governments, shipping companies, international project developers, insurance companies and mining companies. Co. operates on behalf of its clients in over 75 countries across six continents.

Royal Vopak is a holding company. Via its subsidiaries, Co. acts as a tank storage provider for the oil and chemical industry. Co. operates a network of terminals located at locations along trade routes. Co. also provides a range of additional services, from loading and unloading a range of transport modalities to heating, cooling, blending and customs formalities. The customers Co. serves range from global to local clients and include national and global producers, governments, distributors and traders of liquid and gaseous bulk products. Co.'s customers are active in the production, trading and marketing of oil products, chemicals, gases, biofuels, edible oils and liquefied natural gas.