ASCO Group Limited provides supply chain management services in the United Kingdom, Norwegian sectors of the North Sea, Trinidad, Canada, Australia, and Senegal. The company offers logistics, transport and fright forwarding, supply base management, aviation, warehousing and storage, materials management, fuels and lubricants, bulk liquids, marine, training, lifting and assurance, personnel provision, property, and environmental and waste management services. It serves oil and gas, decommissioning, energy, and general logistics and material management sectors. The company was formerly known as DH D Midco Limited and changed its name to ASCO Group Limited in December 2012. The company was founded in 1967 and is headquartered in Aberdeen, the United Kingdom. ASCO Group Limited is a subsidiary of Zander Midco Limited.