Posted on February 18, 2019 February 18, 2019 by WebsiteYellowPages.com Kelly Services Inc 1 2 3 4 50.000 LocationsDelaware Bookmark Contact Information Business Name Kelly Services Inc Address 34 Reads Way, Delaware 19720-1649 Phone Number 3176300092 Fax Number 3023231560 Website http://www.kellyservices.com Post navigationPrevious post: Kelleher Real EstateNext post: Patterson-Schwartz & Assoc.