This mod replaces original gas stations in ETS 2 (9 is hard coded) and partially replaces hybrid gas stations (companies) in DLCs and Germany rebuild.
The final list of brands:
Big stations: BP, Shell, Esso
Medium stations: Orlen, Total, Q8
Small stations: AVIA, OMV, MOL
Germany rebuild: Aral*
Austria rebuild: Esso, Orlen
France base + DLC: Total*
Italy base + DLC: Eni**
Scandinavia DLC: Circle K***
Baltic DLC: Gazprom Neft, Газпром нефть, Neste
Black Sea DLC: Lukoil, Rompetrol
Iberia DLC: Galp, Repsol