Public transport organisers and carriers in the largest cities in Poland
| City | Public transport organiser (budget unit) | Carrier - service provider |
|---|---|---|
| Warsaw | Municipal Transport Authority | Local Traffic Undertaking (buses) (MZA) Sp. z o.o. (Limited liability company) |
| Kraków | Municipal Transport Authority | Local Traffic Undertaking S.A. (MPK) (joint-stock company) |
| Wrocław | Department of Transport of the City Hall in Wrocław | Local Traffic Undertaking Sp. z o.o. (MPK) (Limited liability company) |
| Łódź | Road and Municipal Transport Authority | Local Traffic Undertaking Sp. z o.o. (MPK) (Limited liability company) |
| Poznań | Municipal Transport Authority | Local Traffic Undertaking (buses) (MPK) Sp. z o.o. (Limited liability company) |
| Gdańsk | Municipal Transport Authority | Gdańskie Buses and Trams Sp. z o.o. (Limited liability company) |
| Szczecin | Road and Municipal Transport Authority | Szczecińskiego Tram Company Sp. z o.o. (Limited liability company) Szczecińskie Bus Company „Dąbie” Sp. z o.o. (Limited liability company) |
| Lublin | Road and Municipal Transport Authority | Local Traffic Undertaking (buses) (MZK) Sp. z o.o. (Limited liability company) |
| Bydgoszcz | Road and Municipal Transport Authority | Local Traffic Undertaking (buses) (MZK) Sp. z o.o. (Limited liability company) |