Complex sentence: The company sold its public sector business, Booz Allen Hamilton, to private equity firm Carlyle Group in 2008, taking the entirety of its commercial consulting business, as well as all consulting operations with government entitites outside the United States.
Split into simpler sentences: The company sold its public sector business, Booz Allen Hamilton, to private equity firm Carlyle Group in 2008. The firm now encompasses the remaining commercial consulting business, as well as all consulting operations with government entitites outside the United States.