Viking Supply Ships AB (publ) provides offshore and icebreaking services to oil-prospecting customers in the North Sea, Arctic, and Subarctic waters. It operates through four segments: Ice-Classed Anchor Handling Tug Supply Ships (AHTS), Ice- Classe Platform Support Vessels (PSV), Ice Management and Services, and Ship Management. The Ice-Classed AHTS segment operates ice-breaking and ice-classified AHTS vessels, which are used for icebreaking and for assignments in the offshore industry repositioning of rigs and anchors. The Ice- Classe PSV segment owns and delivers Coey and Cooper Viking ice-classed PSV vessels in Nothsea spot market. The Ice Management and Services segment provides consultancy services for ice management services and logistical support in the Arctic regions. The Ship Management segment delivers ship management for the Swedish Maritime Administration's five icebreakers. The company was formerly known as Rederi AB TransAtlantic (publ) and changed its name to Viking Supply Ships AB (publ) in April 2015. Viking Supply Ships AB (publ) was founded in 1946 and is headquartered in Stenungsund, Sweden. Viking Supply Ships AB (publ) is a subsidiary of Viking Invest AS.