privately held company founded 1965 1965 founder ronald stanton headquarters new york city united states key people henk van dalfsen ceo as of 2012 1 products fertilizers ammonia raw materials petrochemicals 2 propane natural gas butane ethane 3 services chemical trading import and export transportation and distribution marketing and merchandising number of employees 450 1 website www.trammo.com trammo inc. formerly known as transammonia inc. also known as trammo group engages in the international commerce trade transportation distribution and marketing of fertilizer chemicals 4 methanol crude oil liquefied petroleum gas and petrochemicals . 2 the company was established by ronald stanton in 1965 5 and is currently headquartered in new york city . 1 6 the company operates using five subsidiaries . the company has offices in the continents of europe asia north america south america and africa . 7 in 2011 based upon annual sales the company was ranked by forbes magazine as 34th in a list of the top 500 private u.s. companies . 8 transammonia is the world s largest private company in fertilizer trading and merchandising . 8 9 contents 1 history 2 subsidiaries 3 controversy 4 references 5 further reading 6 external links history edit the company changed its name from transammonia inc. to trammo inc. on october 29 2013 . the trammo trademark has long been associated with the company and had been the name of several subsidiaries . the name change reflected the current broad range of products and markets in which the company trades in addition to ammonia . the company began operations in the transportation and manufacture of ammonia raw materials and fertilizer products . 2 in the fiscal year that ended in may 1 1990 transammonia posted sales of usd 1.1 billion . 10 in 2006 the company ventured into natural gas gathering in the united states . 2 in 2007 the company was ranked by forbes magazine as among the top 50 private companies in the united states . 7 in 2012 the company was ranked as 24 by forbes magazine in its list of the largest private companies in the united states . 3 subsidiaries edit transammonia inc. operates five subsidiaries transammonia trammo gas trammo petroleum trammochem sea 3 and trammo gas international inc. 2 trammochem is based in darien connecticut 11 and is involved in the manufacture and international commerce of various petrochemicals . 2 in 2000 trammochem began engagement in the trading of olefins . 11 trammo petroleum founded in 2002 is based in houston texas 12 and engages in sales of products such as diesel fuel gasoline natural gas and jet fuel on the west coast of the u.s. 2 trammo gas is based in houston texas and is involved in the commerce of gases such as liquefied petroleum gas propane and natural gas . 2 sea 3 operates in northeastern u.s. states and in areas of florida in the commerce of liquefied propane and is also involved in gas marketing in other areas of the u.s. 2 controversy edit in 2010 transammonia ended the dealings of its swiss subsidiary trammo trading with iranian companies 13 14 in part as a response to an investigation by cnbc regarding the company s involvement with entities within iran . 14 the united states has prohibitions against commerce in iran in part to persuade that country to disengage in nuclear development . 14 transammonia maintained that its foreign subsidiary s iranian dealings were allowed under u.s. law but decided to end them anyway . the company stated the small amount of business done there does not justify the reputational risk currently associated with doing business with entities located in iran due to the growing international concern over the policies of the current regime there . 13 references edit a b c transammonia . forbes . retrieved 1 august 2013 . a b c d e f g h i plunkett s energy industry almanac 2008 energy industry market research statistics trends and leading companies . a b transammonia inc. company profile . hoovers . retrieved 1 august 2013 . network world . 1990 09 03 . we were europeans a personal history of a turbulent century werner m. loval . corporate structure . transammonia.com . retrieved 1 august 2013 . a b plunkett s energy industry almanac 2007 e book energy industry market research statistics trends and leading companies . a b facts & figures . transammonia.com . retrieved 1 august 2013 . haughney christine november 6 2003 . first move for transammonia offices . crain s new york business . retrieved 1 august 2013 . crockett barton september 3 1990 . user hands fax telex traffic to bt tymnet . network world . pp. 27 30 . a b sinclair neil july 18 2000 . trammochem expands into olefins trading . icis.com . retrieved 23 august 2013 . company overview of trammo petroleum inc. . bloomberg businessweek . retrieved 23 august 2013 . a b greenwood al december 13 2010 . transammonia s swiss unit to wind down business with iran . icis . retrieved 1 august 2013 . a b c burnett erin december 14 2010 . chemical giant ends iran deals after cnbc report . cnbc . retrieved 1 august 2013 . further reading edit greenwood al september 28 2010 . trammo petroleum ends trading after pemex smuggling imbroglio . icis.com . retrieved 23 august 2013 . daker susan ; campoy ana ; millman joel august 12 2009 . u.s. firms probed in mexico oil scam . the wall street journal . retrieved 23 august 2013 . transammonia an american business in iran video . cnbc . december 7 2010 . retrieved 1 august 2013 . sharif farhan october 26 2009 . pakistan buys 75 000 tons of urea at 296.87 from transammonia . bloomberg . retrieved 1 august 2013 . selected cases in supply management . external links edit official website transammonia on the forbes america s largest private companies list as of november 2012 retrieved from https en.wikipedia.org w index.php title trammo & oldid 742003357 categories companies based in new york citychemical companies of the united statesfertilizer companies navigation menu 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