Rhein-Sieg-Abfallwirtschaftsgesellschaft AöR (RSAG AöR) is a municipal waste management company serving the Rhein-Sieg district in Germany. It provides comprehensive waste disposal services, including collection, transport, and processing of various waste types for approximately 600,000 residents and 11,000 commercial customers. The company also operates composting plants and recycling facilities across its service area.