Rookwood Cemetery is divided into denominational and operational areas with individual offices, staff, and equipment to run different parts of the entire area. The cemetery is now managed by three trusts. Rookwood Necropolis Land Manager are the custodians of Rookwood on behalf of the NSW Government. The two denominational trusts are responsible for the care and maintenance of a number of burial sections catering to various ethnic and cultural groups within the community. Those trusts are: Rookwood General Cemeteries Reserve Land Manager (Rookwood General Cemetery) and the Catholic Cemeteries and Crematoria. The NSW Cremation Company, which founded and operates The Rookwood Memorial Gardens Crematorium, is the oldest operating crematorium in Australia. The NSW Cremation Company is the only private company operating a 'cemetery' section within the Necropolis grounds. Today the company is part of the InvoCare company.