SummaryNPGA Expo is happening from 13 April 2019, Saturday to 15 April 2019, Monday at Georgia World Congress Center in Atlanta, GA. The organizer of the event is National Propane Gas Association. NPGA Expo is open to trade visitors. The estimated number of attendance is 3,500. Visitors come from over 30 countries. The estimated number of exhibitors is 230. The event will accommodate approximately 55,000 square feet of exhibit space. The frequency of NPGA Expo is annual.