OmniCare Inc., a leading pharmaceutical care company, subleased 17,393 square feet at 1717 Park St. in Naperville, IL. The 3-story, 120,000-square-foot building features food service, on-site management and convenient toll way access. Other tenants in the building include Donnelly Marketing and Meridian Resource Corp. Wayne Sliwa of Sacramento Realty Associates represented OmniCare. Susan Rosen, Marilyn Lissner and Alex Smith of Cushman & Wakefield represented the sublessor, Willis Group.