Pullman purchased controlling interest in Standard Steel Car Company in 1929, and on December 26, 1934, Pullman Car & Manufacturing (along with several other Pullman, Inc. subsidiaries), merged with Standard Steel Car Co. (and its subsidiaries) to form the Pullman-Standard Car Manufacturing Company.
В 1934 Pullman Car & Manufacturing и Standard Steel Car Company были объединены в Pullman-Standard Car Manufacturing Company, занимавшуюся производством вагонов до 1982 года.