conaco . this article has multiple issues . please help improve it or discuss these issues on the talk page . learn how and when to remove these template messages this article needs additional citations for verification . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . january 2010 learn how and when to remove this template message this article includes a list of references but its sources remain unclear because it has insufficient inline citations . please help to improve this article by introducing more precise citations . january 2010 learn how and when to remove this template message learn how and when to remove this template message conoco inc. former type public industry oil and gas fate merged with phillips petroleum company successor conocophillips phillips 66 founded 1875 1875 in ogden utah defunct august 30 2002 2002 08 30 headquarters houston texas u.s. products petroleum website www.conoco.com conoco inc. was an american oil company founded in 1875 as the continental oil and transportation company . it is now a brand of gasoline and service station in the united states which belongs to phillips 66 following the spin off of conocophillips downstream assets in may 2012 . 1 2 contents 1 history 2 corporate headquarters 3 notes 4 references 5 external links history edit former conoco station in commerce oklahoma former conoco station in colorado . the continental oil and transportation company was founded in 1875 . 3 based in ogden utah the company distributed oil kerosene benzene and other products in the western united states . 4 the main office was later moved to ponca city oklahoma when in 1929 marland oil company founded by exploration pioneer e. w. marland acquired the continental oil company . 3 5 marland oil acquired the assets subject to liabilities of continental oil company for a consideration of 2 317 266 shares of stock . at that time marland oil changed its name to continental oil company . the acquisition gave conoco the red triangle symbol previously used by marland which would become conoco s logo from 1930 to 1970 when the now familiar capsule logo was adopted . citation needed the company ran into early trouble when shortly after acquisition it was hit by the great crash of october 1929 . conoco became a key supplier to the united states government during world war ii . citation needed conoco offshore oil well drilling platform gulf of mexico 1955 . under the leadership of leonard f. mccollum conoco grew from a regional company to a global corporation in the years after world war ii . another rough patch for the company came during the 1970s oil crisis from which it did not recover until 1981 when conoco became a subsidiary of former rival dupont . citation needed in 1981 cash rich and wanting to diversify seagram company ltd. engineered a takeover of conoco . although seagram acquired a 32.2 % stake in conoco dupont was brought in as a white knight by the oil company and entered the bidding war . in the end seagram lost out in the conoco bidding war . in exchange for its stake in conoco inc it became a 24.3 % owner of dupont . citation needed by 1995 seagram was dupont s largest single shareholder with four seats on the board of directors . citation needed in 1998 dupont and conoco parted ways . 6 when the independent conoco went public in october 1998 under a retooled name continental oil company it resulted in the largest ipo in history . conoco bought what was left of gulf oil s canadian operations in 2002 . conoco merged with phillips petroleum company in 2002 to form conocophillips . corporate headquarters edit this section needs expansion . you can help by adding to it . february 2010 conocophillips headquarters in the energy corridor area of houston formerly the headquarters of conoco inc. before the merger conoco had its headquarters in what is now the current conocophillips headquarters in the energy corridor of houston ; the complex was formerly known as the conoco center . 7 8 the headquarters of conoco moved to houston texas in 1949 . 3 in 1965 the headquarters moved to manhattan new york city . in 1972 the headquarters moved to stamford connecticut ; in stamford conoco occupied space in the three story high ridge park complex . 9 in 1982 dupont announced that conoco s headquarters would move from stamford to wilmington delaware . 10 the move occurred in 1982 . 6 edward g. jefferson the chairperson of dupont said that the headquarters relocation was to bring the head workforces of dupont and conoco together . dupont also announced that it was closing the conoco offices in stamford ; the lease in the stamford complex was originally scheduled to expire in 1992 . 9 notes edit http www.conocophillips.com who we are our legacy history pages 1990 present.aspx http www.conoco.com aboutus a b c conocophillips announces museum plans for ponca city and bartlesville press release . conocophillips . may 13 2005 . retrieved august 1 2013 . our history 1875 1909 . conocophilips . retrieved august 1 2013 . history of conocophillips canada . conocophilips canada . retrieved 2 september 2012 . a b dupont conoco splitting . ponca city news . monday may 11 1998 . retrieved on february 3 2010 . write conoco . at the wayback machine archived february 19 1997 conoco inc. february 19 1997 . retrieved on january 16 2010 . conoco world headquarters address . at the wayback machine archived november 1 1996 conoco inc. november 1 1996 . retrieved on january 17 2010 . a b conoco offices to close . the new york times at the spokesman review . sunday november 7 1982 . c10 . google news 48 of 67 . retrieved on february 3 2010 . du pont to move conoco s offices . philadelphia enquirer . november 6 1982 . d08 . retrieved on february 3 2010 . references edit mathews john joseph 1992 1951 . life and death of an oil man the career of e. w. marland . norman university of oklahoma press . isbn 0 8061 1238 7 . moody s industrial manual 1960 external links edit houston portal oklahoma portal utah portal companies portal energy portal official website the conoco somalia declassification project at college of dupage v t e conocophillips divisions 101 ranch alaska burlington resources conoco marland phillips lukoil 20 % facilities conoco phillips building denali gas pipeline rampside terminal theddlethorpe terminal people john a. carrig archie w. dunham ernest w. marland james j. mulva frank phillips related topics conoco soccer stadium houston rodeo run phillips 66 phillips 66ers phillips texas v t e phillips 66 companies divisions current 76 chevron phillips chemical jet former conoco marland oil company phillips petroleum company projet tidewater petroleum tosco corporation facilities current bayway refinery billings refinery humber refinery rockies express pipeline rodeo san francisco refinery wood river refinery former immingham power station industrial disasters 1989 phillips disaster 1999 phillips explosion 2000 phillips explosion 2001 humber refinery explosion related topics conocophillips phillips 66ers phillips petroleum process phillips texas retrieved from https en.wikipedia.org w index.php title conoco & oldid 743465418 categories defunct oil companies of the united statesconocophillipsautomotive fuel brandsgas stations in the united stateschemical companies of the united statesnon renewable resource companies established in 1875companies disestablished in 20021875 establishments in utah territory2002 disestablishments in texascompanies based in ogden utahcompanies based in houstondefunct companies based in oklahomadefunct companies based in texasdefunct companies based in utahkay county oklahomaphillips 66american brandshidden categories articles with wayback machine linksarticles needing additional references from january 2010all articles needing additional referencesarticles lacking in text citations from january 2010all articles lacking in text citationsall articles with unsourced statementsarticles with unsourced statements from january 2010articles with unsourced statements from february 2010articles to be expanded from february 2010all articles to be expandedarticles using small message boxes 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 deutschespa ol nederlandsnorsk bokm lpolski edit links this page was last modified on 9 october 2016 at 19 53 . text is available under the creative commons attribution sharealike license ; 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