cemex industry cement successor cemex founded 1926 founder marshall rinker a.v. hansen headquarters australia area served worldwide products cement ready mix concrete construction aggregates number of employees 14 000 2003 website rinker.com.au the rinker group was an australian headquartered multinational building products company . prior to its acquisition by cemex it was listed on both the australian securities exchange and the new york stock exchange . divisions edit rinker operates three major divisions readymix which produces and delivers bulk concrete and quarried rock and sand for the building industry for the australian market . readymix has established subsidiaries in china supplying concrete for the cities of tianjin and qingdao . humes which produces manufactured concrete products including pipe rail track materials precast concrete bridges culverts and the like for the australian market . rinker and humes are generally the largest or near largest in the australian market in most of their product lines . rinker materials corporation of west palm beach produces a number of concrete aggregate and other heavy building products similar to the australian product line in a number of us states notably including florida and arizona . in florida for instance it operates under the name florida materials and runs a substantial retail network for these materials and other building products . about 80 % of rinker s revenue and profits come from its us operations . history edit rinker group was established as a separate entity in 2003 through its demerger from csr limited . csr had earlier purchased rinker materials which was founded by marshall doc rinker and a.v. hansen in 1926 . the company has approximately 14 000 employees and as of 2004 has sales of around 3 700 million usd and a market capitalisation of about 5 billion usd . its net profit was 492 million usd in the 2003 04 financial year . in the companies target statement over cemex s takeover bid they showed the groups result from 98 they were at this time owned by commonwealth sugar refineries . they revealed that the compound average growth rate for ebitda is 24.8 while sales grew at 14.3 % average compound . taking these figures it s evident that in nine fiscal years their ebitda margin has doubled from 14 % to 28 % . this means on average over the last 9 years 32.9 % of any amount that sales grows by 14.3 % will result in 32.9 % sales growth is directly translated into ebitda . rinker group was acquired by cemex the world s third largest cement producer through its subsidiary cemex australia pty ltd. in a 14.2 billion usd takeover bid . as of june 2007 cemex owned a 67.3 % stake in rinker group . the current chief executive officer is david clarke who had long worked in csr s heavy building products division and resides in florida . the current chairman of the board of directors is hector medina executive vice president of cemex . the other board members are nominees from cemex too . the company s corporate headquarters are in chatswood a sydney suburb . external links edit this article relies too much on references to primary sources . please improve this by adding secondary or tertiary sources . december 2006 learn how and when to remove this template message rinker group corporate website primary source for this article cemex global website retrieved from https en.wikipedia.org w index.php title rinker group & oldid 605629581 categories building materials companies of australiacompanies formerly listed on the australian securities exchangehidden categories articles lacking reliable references from december 2006all articles lacking reliable references 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 portugu s edit links this page was last modified on 24 april 2014 at 17 00 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view