List of reporting marks: J

J

 * JAIL - Jackson and Lansing Railroad
 * JAAU - Jordan Bromine Company
 * JACX - Johnstown America Corporation
 * JAIX - JAIX Leasing Corporation
 * JALX - JAIX Leasing Corporation
 * JANX - JAN, Inc.
 * JBHU - J.B. Hunt Transport, Inc.
 * JBHZ - J.B. Hunt Transport, Inc.
 * JBIX - Tank Car Services, Inc.
 * JBPX - PacifiCorp Electric Operations and Idaho Power Company (Jim Bridger Project)
 * JBRX - Bakery Trading Company
 * JBTU - Jumbotainer BV Barendecht
 * JCDX - Jefferson County Drainage District No. 6
 * JCEX - John S. Carlson and Company, Inc.
 * JCIX - Jones Chemicals, Inc.
 * JCLX - Mid-Am Equipment, Inc.
 * JCMX - James C. McCanless
 * JCSX - Sawyer Gas of Jacksonville, Inc., Heritage Operating, LP
 * JDIX - Jim Dobbas, Inc.
 * JDMX - The David J. Joseph Co.
 * JDSX - M and C Railcar Leasing, LLC
 * JE  - Jerseyville and Eastern, Joppa and Eastern Railroad
 * JECX - Western Resources, Inc.
 * JEFW - Jefferson Warrior Railroad
 * JEPX - PSI Energy, Inc.
 * JFDX - W. K. Horney
 * JGLU - Juglinija Lines
 * JGRU - John G. Russell Transport, Ltd.
 * JGS - James Griffiths and Sons
 * JHMX - Alabama Power Company
 * JHPX - Huntsman Chemical Corporation, NOVA Chemicals
 * JJJX - JJ Railcar Leasing, Ltd.
 * JJRD - J and J Railroad
 * JKBX - John Kenneth Burbridge
 * JKL - J.K. Line, Inc.
 * JKWI - Johnsonburg, Kane, Warren and Irvine Railroad
 * JLAU - Japan Line, Ltd.
 * JLDU - Japan Line, Ltd.
 * JLEU - Japan Line, Ltd.
 * JLEZ - Japan Line, Ltd.
 * JLHU - Japan Line, Ltd.
 * JLLU - Japan Line, Ltd.
 * JLLX - LaRoche Industries, Inc.
 * JLLZ - Japan Line, Ltd.
 * JLMU - Japan Line, Ltd.
 * JLMX - John L. McCarthy
 * JLPU - Japan Line, Ltd.
 * JLSU - Japan Line, Ltd.
 * JLSZ - Japan Line, Ltd.
 * JLTU - Japan Line, Ltd.
 * JMHX - J. M. Huber Corporation
 * JMJZ - J.M.J. Projects, Inc.
 * JNSX - JNS Marketing Company (Coastline Rail Service Division)
 * JNTX - John Neas Tank Lines
 * JOBX - Tealinc, Ltd.
 * JORX - Jormac, SA de CV
 * JOSX - The David J. Joseph Co.
 * JOTU - Japan Oil Transportation Company, Ltd.
 * JPBX - Peninsula Corridor Joint Powers Board (Caltrain)
 * JPTU - Daikin Industries
 * JRCX - GLNX Corporation
 * JRSX - J. R. Simplot Company
 * JRTX - Jefferson Energy Companies
 * JRWX - Johnson Railway Service, Inc.
 * JSCU - Flexi-Van Leasing, Inc.
 * JSCZ - Flexi-Van Leasing, Inc.
 * JSRC - Jackson and Southern Railroad
 * JSRW - Jersey Southern Railway
 * JSSU - China Navigation Company, Ltd.
 * JSSX - Jersey Shore Steel Company
 * JTAX - Trinity Rail Management, Inc.
 * JTCO - Jacksonville Terminal Company
 * JTFX - Joseph Leasing, Ltd.
 * JTHX - Thomas D. Hicks, Citicorp Railmark, Inc.
 * JTIX - The David J. Joseph Co.
 * JTJX - The David J. Joseph Co.
 * JTLX - The David J. Joseph Co.; CIT Group/Capital Finance, Inc.
 * JTMX - ISG Resources, Inc.
 * JTPX - The David J. Joseph Co.
 * JTSX - The David J. Joseph Co.
 * JTSZ - Jontri Transportation Company
 * JTTX - TTX Company
 * JUGU - Jogolinja
 * JVRR - Juniata Valley Railroad
 * JWAX - GE Rail Services Corporation
 * JWFX - J. W. Flammer Company, Inc.
 * JWRX - Jim Walter Resources, Inc., Alabama Power Company