Business Best and worst run companies in America Comments Kells Hetherington Contributor December 08, 2011 2:52 PM ET Font Size: Many American companies have done incredibly well this year. A number posted extraordinary financial results in 2011. Others have launched products that revolutionized markets. Of course, many big public corporations also did very poorly. Several nearly destroyed their business and dragged down shareholder value with it. 24/7 Wall St. combed through the S&P 500 to find the best and worst managed companies in America for 2011. Read: The Best Run Companies In AmericaRead: The Worst Run Companies In America Read more: Best and Worst Run Companies in America – 24/7 Wall St.