sentences:  In 1998, Clayton, Dubilier & Rice organized SIRVA to acquire North American Van Lines, Inc, one of the largest U.S. moving services companies by numbers of shipments, from Norfolk Southern Corporation.In 1999, the new firm acquired the Allied and Pickfords businesses from NFC plc, and was renamed Allied Worldwide.Several other acquisitions followed in 2002 and 2003. the firm recognized a trend with corporate customers outsourcing all aspects of an employee relocation to relocation service providers, including household goods relocation.