5/21/07 - Providence Equity Partners Acquires Majority Control of Decision Resources 4/14/06 - Decision Resources, Inc., Acquires Metropolitan Market Analysis Product Line From Health Strategies Group, Inc. 2/2/06 - Decision Resources, Inc. Acquires Millennium Research Group 11/18/04 - Decision Resources, Inc. Acquires HealthLeaders, Inc.  ©2004 Castanea Partners, Inc. All rights reserved.