Obviously, collection companies prefer to serve dense urban centres with high population density and avoid sparsely populated rural areas with a lower-income population. Municipalities need greater control over activities of private collection companies, but the prevailing system of individual contracts, where the house owner signs a contract directly w ith the collection company, makes things difficult for them. The top 10 hold a market share of over 80 per cent, including collection, transport, disposal and the operation of sorting and transfer stations.