Two Urbandale-based insurance agencies, R.S. Doughty Associates Ltd. and Group Benefits Ltd. will merge into one general insurance agency, effective Aug. 1. "Together we will be able to offer unparalleled health care reform support for our agents and their clients," said Brian Hewitt, CEO of Group Benefits Ltd. The combined company will provide service to more than 1,500 agents, in excess of 40,000 individual clients, and more than 2,000 employers in the Midwest. R.S. Doughty President Dan Shutt marketing Vice President Dave Shutt will become part owners of Group Benefits Ltd.  The Doughty offices will close on Aug. 1 and move to Group Benefits office at 12006 Ridgemont Drive.