Every company that hires and pays people needs it. (That means every organization in the world, basically.) And there are still hundreds of small companies in this market who are now acquisition candidates (Halogen, Saba ( SABA), CornerstoneOnDemand ( CSOD), Lumesse, Silkroad, PeopleFluent, SumTotal, and many more).
FORBES: The Sleepy Little HR Software Market Is On Fire