Yes. High volume printing is often done using IBM's AFP/MODCA print language, which typically has the text in IBM's EBCDIC encoding.
(disclosure: I once worked at a company that made tools to port code and data from IBM minicomputers to Unix & MS platforms, and also at the largest [format,] print & mail shop in the US)
(disclosure: I once worked at a company that made tools to port code and data from IBM minicomputers to Unix & MS platforms, and also at the largest [format,] print & mail shop in the US)