General Electric (GE) is an American multinational conglomerate corporation incorporated in New York. As of 2015, the company operates through the following segments: Appliances, Power and Water, Oil and Gas, Energy Management, Aviation, Healthcare, Transportation and Capital which cater to the needs of Home Appliances, Financial services, Medical device, Life Sciences, Pharmaceutical, Automotive, Software Development and Engineering industries. In 2011, GE ranked among the Fortune 500 as the 26th-largest firm in the U.S. by gross revenue, and the 14th most profitable. As of 2012 the company was listed the fourth-largest in the world among the Forbes Global 2000, further metrics being taken into account. The Nobel Prize has twice been awarded to employees of General Electric: Irving Langmuir in 1932 and Ivar Giaever in 1973.