>>1056272The line yes.
The company OEG (Oberrheinische Eisenbahngesellschaft) doesn't, it merged with the tram companies of Heidelberg, Mannheim and Ludwigshafen and the RHB railway into a new company called Rhein-Neckar-Verkehr (RNV) in the year 2005.
The old names OEG and RHB for the interurban lines still live on among the population.