Welcome to CornerStone Staffing, one of the leading staffing agencies in Arlington and Grand Prairie, TX. Best in Staffing Services. Best in Career Placement. The Best Choice for You! Providing premier staffing services to the Dallas-Fort Worth metroplex community is our core function. The Arlington/Grand Prairie recruitment team is tenacious and dedicated to the process of identifying and qualifying the best clerical, customer service, and accounting candidates in the area! Our office is looking for driven and dedicated applicants to join our team and represent CornerStone! Is this you?