KBR, Inc. is a U.S. based company operating in fields of science, technology and engineering. KBR works in various markets including aerospace, defense, industrial, intelligence, and energy. KBR was created in 1998 when M.W. Kellogg merged with Halliburton's construction subsidiary, Brown & Root, to form Kellogg Brown & Root. In 2006, the company separated from Halliburton and completed an initial public offering on the New York Stock Exchange. The company's corporate offices are in the KBR Tower in downtown Houston. Wikipedia