A platform supply vessel (PSV) is a ship specially designed to supply offshore oil and gas platforms and other offshore installations. They typically range from 50 to 100 metres in length and are distinguished by the large open deck area used to store supplies and house equipment and to allow for efficient loading and offloading. The primary function for most of these vessels is logistic support and transportation of goods, tools, equipment, and personnel to and from their destination.
Anchor Handling Tug Supply (AHTS) vessels are mainly built to handle anchors for oil rigs, tow them to location, and use them to secure the rigs in place. AHTS vessels sometimes also serve as Emergency Response and Rescue Vessels (ERRVs) and as supply transports.
A salvage tug, also known historically as a wrecking tug, is a specialized type of tugboat that is used to rescue ships that are in distress or in danger of sinking, or to salvage ships that have already sunk or run aground.
Seaspan ULC provides marine-related services to the Pacific Northwest. Within the Group are three (3) shipyards, an intermodal ferry and car float business, along with a tug and barge transportation company that serves both domestic and international markets. Seaspan, is part of the Washington Companies that are owned by Dennis Washington. Kyle Washington, is the Executive Chairman of Seaspan, who has become a Canadian citizen.
Crowley, legally Crowley Maritime Corporation, is based in Jacksonville, Florida, United States. Founded in 1892, Crowley is primarily a family- and employee-owned vessel management, owner, and supply chain logistics services company, providing services globally. As of July 2016, Crowley was ranked as the 13th largest private company in Florida, employing approximately 5,300 people worldwide with revenues of $2.2 billion. It provides its services using a fleet of more than 300 vessels, consisting of RO-RO vessels, LO-LO vessels, tankers, Articulated Tug-Barges (ATBs), tugs and barges. Crowley's land-based facilities and equipment include terminals, warehouses, tank farms, and specialized vehicles.
Deep Sea Supply is an international operator of offshore supply vessels. It operates nine anchor handling tug supply vessels (AHTS) and two platform supply vessels (PSV). 17 ships are under construction. The main office is located in Arendal, Norway though the company is officially headquartered in Cyprus and listed on the Oslo Stock Exchange.
A jackup rig or a self-elevating unit is a type of mobile platform that consists of a buoyant hull fitted with a number of movable legs, capable of raising its hull over the surface of the sea. The buoyant hull enables transportation of the unit and all attached machinery to a desired location. Once on location the hull is raised to the required elevation above the sea surface supported by the sea bed. The legs of such units may be designed to penetrate the sea bed, may be fitted with enlarged sections or footings, or may be attached to a bottom mat. Generally jackup rigs are not self-propelled and rely on tugs or heavy lift ships for transportation.
Farstad Shipping is a publicly listed supply shipping company with its corporate headquarters in Ålesund, Norway. The company has approximately 2,200 employees, of which 1,965 are employed offshore.
Fairmount Marine is a shipping company in the Koninklijke Boskalis Westminster N.V. group. The company operates 11 heavy transport vessels, including two self-propelled semi-submersible ships which are owned by Fairmount Heavy Transport. The mother group operates six anchor handling tug supply vessels and three semi-submerisible barges. The main operations involves transport of offshore installations such as Floating production storage and offloading vessels.
Havila Shipping ASA was established on 31 July 2003 and operates 22 vessels; platform supply vessel, anchor handling tug supply vessel, rescue- and recovery vessel and subsea construction vessel. The company has a newbuilding program of 5 vessels. The Company's business concept is to provide maritime support functions for international offshore oil and gas production, to own and run the assets regarded as necessary or desirable for this, and to provide associated services.
Siem Offshore is an international offshore and subsea shipping company registered on the Cayman Islands with its main offices in Kristiansand, Norway.
Eidesvik Offshore is a supply, subsea, seismic and cable-laying shipping company. The fleet consists of ten supply ships, both platform supply vessels and anchor handling tug supply vessels, five subsea vessels, five seismic vessels and one cable-laying ship. All the ships are orange in color, and most of them have names starting with Viking. The company is based in Bømlo, Norway and is listed on the Oslo Stock Exchange. Two thirds of the company is owned by Kristian Eidesvik, who also controls the short sea shipping company Wilson.
TransAtlantic Lines LLC is an American shipping company based in Greenwich, Connecticut. The limited liability company was founded in 1998 by vice-president Gudmundur Kjaernested The company owned and operated 5 vessels, including one tug-and-barge combination. Four of these vessels were chartered by the Military Sealift Command, and performed duties such as delivering cargo to U.S. military activities in Diego Garcia. TransAtlantic maintains resident agents in the U.S. District of New York and other federal Districts to receive service of process. TransAtlantic Lines had no collective bargaining agreements with seagoing unions.
Colombo Dockyard PLC (CDPLC) is a ship building company in Sri Lanka and it is based in Colombo. It has built both military and civilian vessels for both local and overseas clients.
Trans Viking Icebreaking & Offshore is an icebreaker shipping company. A joint venture between Viking Supply Ships and Rederi Transatlantic the company operates three icebreakers on contract with the Swedish Maritime Administration for icebreaking in the Baltic Sea from January through March. Commercial management is handled by VSS while Transatlantic is responsible for technical management.
CCGS Captain Molly Kool is a Canadian Coast Guard converted medium class icebreaker. She was originally built as an icebreaking anchor handling tug Vidar Viking for Trans Viking Icebreaking & Offshore in 2001. The vessel was acquired by the Canadian Coast Guard in August 2018 and was commissioned in May of the next year after refit. She is named after the Canadian sailor, Molly Kool.
CCGS Jean Goodwill is an icebreaking anchor handling tug supply vessel (AHTS) converted to a medium class icebreaker for the Canadian Coast Guard. She was originally built as Balder Viking for Trans Viking Icebreaking & Offshore AS in 2000. The vessel was sold to Canada in 2018 and was initially expected to enter service in late 2019 following a refit. However, due to delays the conversion of the vessel was not completed until November 2020.
CCGS Vincent Massey is an icebreaking anchor handling tug supply vessel (AHTS) converted to a medium class icebreaker for the Canadian Coast Guard. She was originally built as Tor Viking for Trans Viking Icebreaking & Offshore AS in 2000 and has also traded under the name Tor Viking II. The vessel was sold to Canada in 2018 and was initially expected to enter service in summer 2020 following a refit. However, the conversion work was delayed and the vessel was delivered to the Canadian Coast Guard in October 2022 and dedicated to service in September 2023.
Finnpusku is an integrated tug and barge system owned and operated by ESL Shipping, a Finnish shipping company that specializes in bulk cargo transports in the Baltic Sea. The system was developed in the 1980s by Finnlines, another Finnish shipping company that also managed the vessels until 2003, in co-operation with Rautaruukki to transport raw materials to the Raahe Steel Works. Two pushers and five barges, four of which remain in service, were delivered by Hollming in 1986–1987.
USS Avoyel (ATF-150) was a Navajo-class fleet tug built for the United States Navy during World War II. She was the only U.S. Naval vessel to bear the name.
NOK 1 341 million (2010)
