NEW YORK: First-quarter revenue decreased 13.8% at the Constituency Management Group (CMG) division of the Interpublic Group (IPG), which contains the holding company's PR agencies. Revenues dropped to $210.4 million from $244.1 million during the same period one year ago, representing a 7% organic decrease during the period.

PR firms included in the CMG unit include Weber Shandwick, GolinHarris, MWW Group, DeVries, and Carmichael Lynch Spong. The unit includes non-PR agencies as well, including KRC Research and FutureBrand.

Harris Diamond, ...