PEO Case Studies Learn more about how ADP TotalSource's PEO services helped organizations similar to yours. Excel Property Management   Type of Business: Apartment leasing and management Location: Headquarters in Geneva, Illinois; operations in Illinois and Ohio Number of Employees: 50 ADP TotalSource client since: 2003 Why ADP TotalSource? "We needed expert advice in all areas of HR, especially legal issues, benefits administration, and payroll and tax compliance. Bringing in ADP TotalSource has helped us be more competitive and more focused on managing our growth effectively." Read the Case Study