DOF Subsea UK Ltd.’s survey and positioning business in the U.K. and U.S. was awarded an extension of a master service agreement with Heerema Marine Contractors, the company said in a March 3 statement. Heerema Marine Contractors is based in Leiden, The Netherlands.

The contract covers global provision of survey and positioning services on board Heerema Marine Contractor’s vessels, including the Hermod, Balder, Thialf, Aegir and support vessels/anchor handlers.