Operário Ferroviário Esporte Clube, more commonly referred to as Operário Ferroviário, Operário de Ponta Grossa or simply Operário-PR, is a Brazilian professional association football club in Ponta Grossa, Paraná which currently plays in Série B, the second tier of Brazilian football, as well as in the Campeonato Paranaense, the top division of the Paraná state football league. They competed in Série A once. Wikipedia