ETS 2 Version: 1.28.x and 1.30.x
Serbian transport companies: Lasta (Eurolines partner)
Severtrans-Senta
BečejprevoZ
MOLPREVOZ-Ada
European transport company: EUROLINES
One hungary company: Volánbusz
+ Two bonus: School Bus
Polizei (Deutsch, German)
Upload it into the mod folder.
Enjoy!