 KellyOCG, the outsourcing and consulting group of Kelly Services, today announced a strategic expansion of its Vendor Management System VMS partner relationships with the addition of Simplify Workforce to integrate its cloud-based VMS platform, SimplifyVMS into Kellys Managed Service Provider MSP and Master Vendor MV solution offerings. Simplify Workforce is a leading global technology company operating in the contingent workforce and service procurement market. 