DNV-GL
Det Norske Veritas and Germanischer Lloyd

DNV-GL is an international accredited registrar and classification society headquartered in Norway, created in 2013 as a result of a merger between two leading organizations in the field — Det Norske Veritas (Norway) and Germanischer Lloyd (Germany).[1]

Bibliography
1. Wikipedia - DNV-GL, visited 2020-01-04