Wilh. Wilhelmsen Holding ASA provides maritime products and services in Europe, the Oceania, Asia and Africa, and the Americas. It operates in Maritime Services and Supply Services segments. The Maritime Services segment offers marine products, including Nalfleet water treatment products to treat and protect on board systems; Unitor chemicals and equipment to clean vessels; Unicool refrigerants; Timm ropes for the maritime industry; Unitor fuel treatment chemicals; Unitor equipment for the maintenance and performance vessels; Unitor cylinders; marine specialty lubricants; and Unitor oil spill equipment and products, and sorbents and booms. This segment also provides ship agency services to the merchant fleet, as well as ship management services, including manning for various vessels. The New Energy segment engages in the operation of supply bases for the offshore industry; development and operation of real estate properties on and off the supply bases; and maintenance of rigs and handling of logistics related to international pipeline projects and windmill parks. This segment also offers technical and crew management services for the offshore wind market; and digital solutions for the shipping industry. Wilh. Wilhelmsen Holding ASA also provides marine and non-marine insurance services; and maritime training, investment, and infrastructure and supply solutions. The company was founded in 1861 and is headquartered in Lysaker, Norway. Wilh. Wilhelmsen Holding ASA is a subsidiary of Tallyman AS.