
1) Bus manufacturer 2) Polish brand 3) Truck manufacturer
Found on
https://www.crosswordclues.com/clue/jelcz

Jelcz is a Polish brand of trucks also military, buses and trolley buses produced by Zakłady Samochodowe Jelcz, Jelczańskie Zakłady Samochodowe. Currently company operates under the name Jelcz-Komponenty with focus on offroad military trucks manufacturing. ==The beginnings of the factory== In 1952, a decision was made to use a former German arm...
Found on
http://en.wikipedia.org/wiki/Jelcz
No exact match found.