Laidlaw (/ˈleɪdˌlɔː/), organized as Laidlaw International, Inc. (with corporate headquarters in Naperville, Illinois) was the largest provider of intercity bus services, contract public transit and paratransit, and contract school bus service in both the United States and Canada. In February 2007, FirstGroup, a bus and rail transportation operator in the United Kingdom with subsidiaries in North America, acquired Laidlaw International, Inc. FirstGroup completed the acquisition of Laidlaw International on October 1, 2007, and rebranded Laidlaw services under the First umbrella. The deal combined North America’s two largest private school bus operators—Education Services and First Student Inc.—giving them a combined 40% of the school bus contractor market.