Participating and Joining INPRS Employers Participating and Joining Indiana Public Retirement System: Participating and Joining INPRS Employers Participating and Joining Not sure if you are in an INPRS plan? Find your organization below. Please note that an employer can participate in more than one plan. Full List of Participating Employers by Employer Type Participating List PDF Participating State of Indiana Agencies Participating List PDF Participating County Employers Participating List PDF Participating Town Employers Participating List PDF Participating Township Employers Participating List PDF Participating School District and Education Employers Participating List PDF Participating Employers Other Categories Participating List PDF