Some manufacturers make widgets. Others produce components for complex machinery. Then there are those that create mind-boggling works of art. From its elaborate stage set at the 2010 MTV Video Music Awards to its spectacular visual displays at the Super Bowl Halftime Show, it is obvious which category Moss Inc. represents. The Elk Grove Village, Ill.-based company specializes in tension fabric structures for applications ranging from retail stores and arenas to conferences, trade shows and special events.