manpowergroup (formerly known as manpower inc.) is a fortune 500 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.[8] the company provides administrative support services, professional services, and business services through its four primary brands: manpower (contingent staffing permanent recruitment), experis (professional resourcing and project-based solutions), right management (career management, workforce consulting, and training development), and manpowergroup solutions (managed services and outsourcing).[9]