KBR Inc formerly known as Kellogg Brown and Root is an American based global engineering, construction and service company operating in four main segments Hydrocarbons, Infrastructure, Government and Power services, and Others. The headquarters of KBR is in Downtown Houston, Texas, United States, known as the energy capital of world. The company is one among the premier engineering company with approximately 27,000 employees in over 70 countries on five continents. The number 280 company in Fortune builds big projects for the US government, and is a private military contracting company. The company plays a major role in world's liquefied natural gas production facilities and coal gasification.