Icahn has held many controlling positions in many corporations, including RJR Nabisco, TWA, Texaco, Phillips Petroleum, Western Union, Gulf & Western, Viacom, Uniroyal, Dan River, Marshall Field's, E-II (Culligan and Samsonite), American Can, USX, Marvel Comics, Revlon, Imclone, Federal-Mogul, Fairmont Hotels, Blockbuster, Kerr-McGee, Time Warner, Netflix, Motorola, and Herbalife.