More than 8,400 work truck industry professionals attended The Work Truck Show 2009 and National Truck Equipment Association convention March 3-6 at the McCormick Place West Building in Chicago. This represents an increase of 18.5 percent over The Work Truck Show 2008, and is the second largest turnout for this event in its 10-year history, organizers said. At The Work Truck Show 2009, 490 exhibitors filled out the show floor that covered about 500,000 sq. ft. with new vocational trucks, components and equipment.