Note: Marks ending in U are for container owners; marks ending in X are not common carriers; marks ending in Z are for trailers without flanged wheels. All other marks are of common-carrier railroads. S. SA – Savannah and Atlanta Railroad; Central of Georgia Railroad; SAL – Seaboard Air Line Railway; Seaboard System Railroad; CSX Transportation; SAMX – Cargill, Inc. (Seaboard Allied Milling …

