PRO Unlimited, through its purely vendor-neutral Managed Service Provider (MSP) and Vendor Management System (VMS) solutions, helps organizations address the costs, risks, and quality issues associated with managing a contingent workforce. A pioneer and innovator in the VMS and MSP space, PRO offers solutions for e-procurement and management of contingent labor, 1099/co-employment risk management, and third-party payroll for client-sourced contract talent.