sofidra sa type private industry dredging and marine services land reclamation civil engineering offshore services environmental services founded 1938 founder jan de nul headquarters aalst belgium and luxembourg grand duchy of luxembourg area served worldwide key people jan pieter de nul chairman revenue 2.109.890.068 49 2011 number of employees 6 200 2014 website www.jandenul.com jan de nul group is a family owned company with the financial headquarters in luxembourg that provides services relating to the construction and maintenance of maritime infrastructure on an international basis . its main focus is dredging including other forms of marine engineering which accounts for 85 % of the turnover . other areas include civil engineering and environmental technology . 1 contents 1 history 2 fleet 3 projects 4 hijacked vessel 5 notes 6 external links history edit the trailing suction hopper dredger alexander von humboldt originally founded in 1938 in hofstade near aalst belgium jan de nul started as a construction company specialised in civil works and maritime construction . it was only in 1951 that the company entered into the dredging business . at the end of 2012 jan de nul had 6000 employees and a yearly turnover of 2 billion euro . 2 it is the largest dredging company in the world other major dredging companies are dutch companies royal boskalis westminster and van oord and the belgian deme . 3 jan de nul was voted the most attractive employer of belgium in 2008 and 2009 . 4 fleet edit jan de nul has a fleet of 75 vessels including 14 cutter suction dredgers 28 trailing suction hopper dredgers 20 split barges 6 backhoe dredgers 1 oil recovery vessel 5 rock installation vessels and one cable installation vessel under construction . 5 this includes the cristobal colon launched in 2008 and the world s largest dredger with a capacity of 46 000 m . it can dredge to a water depth of 155m . 6 joined by her near sister ship leiv eiriksson in 2010 7 jan de nul has one of the world s largest if not the largest fleets of hopper dredgers . 8 projects edit major projects realised in part or whole by jan de nul include the panama canal expansion project 9 the bridgetown port enhancement project 10 the port botany expansion 11 the manifa field causeway and island project in saudi arabia 12 the palm jebel ali artificial island in dubai 1 and the adjacent dubai waterfront . 6 the takoradi harbour expansion project in ghana . 13 hijacked vessel edit in april 2009 the jan de nul vessel pompei was hijacked by somali pirates en route from aden to the seychelles . the ship and its crew of ten were released after 71 days on june 28 2009 after de nul had paid 2.8 million euros according to media reports . 14 notes edit a b jan de nul group is bedrijf van wereldformaat jan de nul group is company of global size . het nieuwsblad in dutch . 19 april 2009 . retrieved 17 september 2009 . jan de nul houdt vast aan investeringsprogramma . trends tendances in dutch . 6 june 2009 . retrieved 17 september 2009 . more merger among dutch dredging majors . maritime journal . 1 october 2008 . retrieved 17 september 2009 . dead link jan de nul aantrekkelijkste werkgever jan de nul most attractive employer . de tijd in dutch . 5 february 2009 . retrieved 17 september 2009 . company profile a b jdn launches world s largest dredger in spain . . maritime journal . 17 july 2008 . archived from the original on january 9 2009 . retrieved 17 september 2009 . leiv eiriksson trailing suction hopper dredger spain . ship technology.com . net resources international . archived from the original on 13 june 2013 . retrieved 13 june 2013 . jan de nul s mega trailer leiv eiriksson launched . dredging news online . 7 september 2009 . retrieved 17 september 2009 . martin hernan 14 september 2009 . work to begin soon on new set of locks for panama canal . inside costa rica . retrieved 17 september 2009 . staff writer n.d. . cruise and cargo facilities . barbados port inc. archived from the original on september 3 2010 . port botany passes environmental audit . australia logistics magazine . 1 september 2009 . retrieved 17 september 2009 . manifa takoradi harbour extension works begin this month . www.myjoyonline.com . retrieved 13 september 2013 . schenkel mark 7 july 2009 . a dutch negotiator s 71 days of talking to somali pirates . nrc handelsblad . retrieved 17 september 2009 . external links edit official site retrieved from https en.wikipedia.org w index.php title jan de nul & oldid 739083826 categories companies established in 1938construction and civil engineering companies of belgiumdredging companieshidden categories cs1 dutch language sources nl all articles with dead external linksarticles with dead external links from october 2010 navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent 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