Building and industrial machinery sectors have helped to boost the United States’ exhibition industry to its highest quarterly growth in eight years, according to a new industry report. The Center for Exhibition Industry Research’s (CEIR) latest Total Index revealed the country’s business-to-business exhibition industry experienced its 20th consecutive quarter of growth during Q2 2015. The index shows a year-on-year gain of 3.8 per cent for the quarter. The report show...