Stanford, Conn. — WasteExpo, the largest trade show in North America serving the solid waste and recycling industry, has announced that more than 75 percent of the floor space for next year’s WasteExpo, to be held in Las Vegas from May 3-5, 2005, was sold at the recently completed show, held in Dallas in May. Primedia Business Exhibitions, which owns WasteExpo, is compiling attendance figures for the Dallas show, but pre-registration for the show was up 25 percent when compared with the 2003 show. The Dallas show featured 418 exhibiting companies. Primedia also owns Waste Age magazine.