What is "rosenbauer"

The Rosenbauer Group is one of the world’s three largest manufacturers of fire-service vehicles, based in Leonding, Austria.

Rosenbauer supplies the fire fighting sector in over 100 countries with a wide range of custom fire and rescue apparatus and services. It produces its extensive series of fire fighting vehicles and aerials in three continents, to both European and US standards. Their Panther model was used in the 2011 film Transformers: Dark of the Moon as Sentinel Prime who is an Autobot which then betrays them.