Dutch builder, primarily known in the UK for coaches, both separate bodies and integrals. They do build buses though, and have even built double-deck service buses for both the UK and Ireland in the past!
Bus Éireann DVS105, Corcorans Portlaoise, 05-04-2018
Seen hiding round the back of Corcorans yard is DAF / Van Hool DVS105. It's still school holidays here, so this may be in for maintenace before the kids return to school next week. It is normally based at Thurles, a depot which only operates school buses, and is situated next to the railway station.