| REPORTING MARKS | COMPANY |
|---|---|
| ALLZ | Alliance Shippers |
| AMTZ | Amtrak |
| AXXZ | Clipper Controlled Logistics |
| BIRR | Bi-Modal |
| BNZ | Burlington Northern |
| CSRZ | CSL INTERMODAL |
| ECOZ | Eco Rail, Canadian National |
| ICEZ | Ice Cold Express (Burlington Northern Santa Fe) |
| MRKZ | ?? |
| NERZ | New England Merchants Leasing Corp. |
| NEAX | New England Merchants Leasing Corp. |
| PERZ | Prime |
| SFTZ | Santa Fe |
| SNLZ | Schneider National |
| SWFZ | Swift |
| TCSZ | Triple Crown Service |
| TMMZ | TMM Logistics, S.A. de C.V. |
| WNCZ | Wabash National Corp. |