DENIZ-ARIO Offshore Company was established in Tehran, Iran, and masters in offshore operations of national Oil and Gas Industry. Founders career backgrounds range from underwater pipeline and jacket inspections (by Men and ROVs), pipeline Free-Span Corrections, Metrology and Spool-Piece installation, Anode Installation, Split-Sleeve clamp Installation, Riser Replacements, and etc. to Provision of DP-DSVs, Accommodation/Crane Barges, Offshore Supply Vessels, Crew Boats, and to Management of several marine and diving operations. Founders of the DAOCO have a decade of history in close commitment with Adsun & B.O.S companies in Planning, Commanding and Execution of saturation diving & marine operations.