ManpowerGroup is an American multinational corporation headquartered in Milwaukee, Wisconsin. Founded in 1948 by Elmer Winter and Aaron Scheinfeld, ManpowerGroup is the third-largest staffing firm in the world behind Swiss firm Adecco and Dutch firm Randstad NV. The company provides administrative & support services, professional services, and business services through its four primary brands: Manpower, Experis, Right Management, and ManpowerGroup Solutions. Wikipedia