company traded as nyse rdc s & p 400 component industry petroleum industry founded 1923 headquarters williams tower houston texas united states 1 key people thomas p. burke president and ceo 1 services offshore drilling and petroleum and natural gas well drilling revenue us 2.137 billion 2015 1 operating income us 93.311 million 2015 1 net income us 93.311 million 2015 1 total assets us 8.347 billion 2015 1 total equity us 4.772 billion 2015 1 number of employees 3 496 2015 1 website http www.rowancompanies.com rowan companies plc is an american offshore drilling contractor that provides drilling services to the petroleum industry . the company is headquartered in houston texas . contents 1 current operations 2 history 3 references 4 external links current operations edit the company operates a fleet of 31 rigs including 27 offshore drilling jackup rigs and 4 ultra deepwater drillships . the company operates worldwide in the gulf of mexico trinidad north sea southeast asia mediterranean middle east and southeast asia . 1 its offshore jackup rigs include cantilever jackup rigs that are designated as gorilla class rigs super gorilla class rigs tarzan class rigs 240c class rigs exl class rigs and n class rigs as well as conventional jackup rigs . 1 its ultra deepwater drillships are based on the gusto msc p10 000 class with capacity for 12 000 of riser and a variable deck load capacity of 20 000 tons . 1 the company provides quarterly updates on the status of each rig in its fleet on its website . 2 in 2015 19 % of the company s revenues came from saudi aramco 13 % of its revenues came from conocophillips and 10 % of its revenues came from anadarko petroleum . 1 history edit rowan drilling company inc. was founded in 1923 by brothers charles and arch rowan as a contract drilling business . 3 the company went public in 1967 issuing 323 000 shares . 3 in 1971 the company changed its name to rowan companies inc. 3 in 1994 rowan acquired the assets of marathon letourneau company from general cable for 52 million . 4 in 2000 rowan subsidiary letourneau inc. acquired the ellis williams company inc. a manufacturer of mud pumps for 9 million . 5 in 2002 rowan electric inc. acquired oilfield electric marine inc. for 8 million in stock . oilfield electric marine inc. manufactured variable speed ac motors and variable frequency drive systems . kevin r. williams had been president of oilfield electric marine inc. and he stayed on as president of rowan electric inc. 6 in 2004 rowan sold its aviation subsidiary business era aviation inc. for us 118.1 million in cash . the subsidiary chartered helicopter and fixed wing services . 7 in 2009 w. matt ralls became rowan s president and chief executive officer . 8 in 2010 rowan completed the acquisition of skeie drilling & production asa including its three north sea compliant n class jack up rigs under construction . rowan adds three exl class enhanced letourneau super 116e rigs to its fleet and the first n class rig comes into service . 9 in 2013 rowan completed the sales of its manufacturing subsidiary letourneau technologies inc. and its land drilling operations to joy global in a 1.1 billion transaction . 10 joy global subsequently sold letourneau s drilling marine and power divisions to cameron international for 375 million . 11 in january 2014 rowan took delivery its first ultra deepwater drillship the rowan renaissance . 12 the company eventually took delivery of 4 ultra deepwater drillships at a cost of approximately 600 million each . 13 in april 2014 thomas p. burke was named president and ceo . matt ralls became executive chairman . 14 references edit a b c d e f g h i j k l rowan companies plc 2015 form 10 k annual report rowan companies fleet status a b c rowan companies our history general cable completes sale of unit s assets . new york times . february 12 1994 . rowan companies inc. completes purchase of the ellis williams company inc. . prnewswire . january 31 2000 . rowan announces completion of oilfield electric marine acquisition . prnewswire . february 1 2002 . rowan announces agreement to sell era aviation inc. . business wire . october 14 2004 . rowan names w. matt ralls new ceo and president and appoints jack lentz chairman of the board . ceo world . december 3 2008 . rowan announces intent to purchase skeie drilling . prnewswire . july 1 2010 . mining equipment maker expands with 1.1 billion deal . new york times . may 16 2011 . joy global inc. announces completion of transaction to sell drilling products business . business wire . october 24 2011 . rowan resolute drillship sailing to its first contract . offshore energy today . august 28 2014 . rowan to add fourth ultra deepwater drillship to fleet . rig zone . september 10 2012 . rowan elects new ceo and appoints executive chairman and new lead director of the board . prnewswire . april 28 2014 . external links edit rowan companies inc. rowan companies plc 2015 form 10 k annual report rowan gorilla vii at keppel verolme netherlands rowan companies rawabi holding saudi arabia retrieved from https en.wikipedia.org w index.php title rowan companies & oldid 743465978 categories companies listed on the new york stock exchangecompanies established in 1923companies based in houstondrilling rig operatorsengineering companies of the united statesoffshore engineering navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages deutsch edit links this page was last modified on 9 october 2016 at 19 56 . text is available 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