The widespread adoption of EMRs has resulted in a surge of technology companies hopping on the wagon. The number of vendors has doubled in two years, according to one analyst. Some in the industry think a shakeout is inevitable. "Industry consolidation is real, and it's happening now," Allscripts CEO Glen Tullman said. Companies with the greatest market share have the best chance of surviving, says analyst Sean Wieland of Piper Jaffray.