official site for visitors to Bratislava  

In total more than a quarter of all the money from the budget goes toward public transport, for the benefit of residents and visitors alike. Public transport is operated by Dopravný podnik Bratislava (DPB), which is 100% owned by the city. Bratislava also has direct shares in another sixteen companies. In addition to the public transport company, other strategic companies include those that deal with waste disposal and treatment, the supply of drinking water and sewerage management.