Ako Denizcilik Grubu was established by Arif Kalkavan in 1955 and expanded by his sons Necdet, Cafer and Cetin into international general-cargo shipping from the 1980s. Its companies were Ako Shipping, Arkal Shipmanagement and CCK Shipping, with a shipyard at Yalova. Rosanoski identifies Arif Kalkavan Ogullari Shipping as part of it through the fleet list. Lloyds separately records an Arif Kalkavan Shipping Group formed in 2007, with Arkal, Cesur-Cebi Kaptanoglu and Arif Kalkavan Ogullari among its operators.
Keep the explicit scope label independent; no alias or company identity is inferred.