The Pullman Company, founded as the Pullman Palace Car Company in 1867, owned and operated most sleeping cars in the United States until the mid-20th century, attaching them to passenger trains run by the various railroads; there were also some sleeping cars that were operated by Pullman but owned by the railroad running a given train.
Compania Pullman, înființată ca Pullman Palace Car Company în 1867, a deținut și operat majoritatea vagoanelor de dormit americane până la mijlocul secolului XX, atașându-le la trenurile de pasageri de pe diferite linii; au existat și câteva vagoane de dormit care erau operate de Pullman dar deținute de compania care opera un tronson anume.