The US beer giant and world largest brewer Anheuser-Busch has sold its communications company Busch Creative Services Corp, to a group of the businesses executives. The sales price was not disclosed. The communications agency will be renamed Spark Agency by its three acquirers and partners Michael P. O'Neill, John K. Nickel and Kevin J. Quigley. O'Neill is chief executive, Nickel is president and Quigley is executive vice president.