3. Fluor

This publicly owned company was established in 1890. Oil & Gas, Industrial & Infrastructure, Government, Global Services and Power are the five major operating divisions of Flour. Company is included in the Fortune 500 list and in S&P 500 also. Headquartered in Irving, United States, today it has offices in over 25 countries and its workforce is counted more than 41,000. As of 2008, it is a $22 billion company. Company has scored 4.419 in the recent rating for Happiest Companies for Young Professionals.

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