Constellation Explores Technology That Help Builders Go Digital and Improve Homebuying Experience at IBSx 2021 News provided by Share this article Share this article TORONTO, Feb. 8, 2021 /PRNewswire/ -- Constellation HomeBuilder Systems, the largest software provider of home building software solutions and services is proud to announce their participation as a Gold sponsor in IBSx, the ground-breaking virtual edition of the NAHB International Builders' Show 2021. This year, the virtual experience and expo are open to builders from around the globe, who will get the first opportunity to expl...