ABFZ
| Arkansas Best Freight | 2 |
AELZ
| FFE TRANSPORTATION SERVICES INC D/B/A AMERICAN EAGLE LINES | 1 |
ATSZ
| ATSZ | 2 |
AXXZ
| Agricultural Express of America | 32 |
BOZ
| Baltimore & Ohio | 2 |
CELZ
| CELZ | 2 |
CFKX
| CFKX | 1 |
CFKZ
| XTRA Intermodal | 12 |
CFZ
| CFZ | 1 |
CRZ
| Conrail Trailer | 2 |
DBRZ
| DBRZ | 1 |
DVNZ
| DVNZ | 1 |
EHZ
| Henderson Transport | 3 |
ENGZ
| England | 4 |
EXLZ
| EXLZ | 2 |
FFEZ
| Frozen Food Express | 3 |
FNLZ
| FedEx National LTL | 3 |
FSTZ
| Fastrac Intermodal LLC | 29 |
FXFZ
| FedEx MultiModal | 3 |
GLSZ
| GLSZ | 7 |
HLBZ
| Hill Brothers Transportation | 2 |
ICEZ
| GATX Capital Corporation | 3 |
IDCZ
| Interstate Distributor Co | 3 |
JRSZ
| J & R Schugel Trucking Inc | 2 |
JTIZ
| JTIZ | 1 |
KHLZ
| KHLZ | 1 |
KRKZ
| KRKZ | 3 |
MAR
| Martrac | 13 |
MECZ
| MECZ | 2 |
MTLZ
| Marten Truck Lines | 4 |
MTZ
| Mitsui O.S.K. Lines Limited | 1 |
NLDZ
| Northland Trucking Inc | 1 |
NWZ
| Norfolk & Western | 1 |
OMTZ
| OMTZ | 1 |
OVNZ
| Overnite Transportation Company | 1 |
PAMZ
| PAMZ | 2 |
PFTZ
| PFTZ | 1 |
PKGZ
| TIP Intermodal Services | 2 |
RDWZ
| Roadway Express Incorporated | 6 |
RLZ
| R&L Transport | 1 |
SCSZ
| UPS Supply Chain Solutions | 11 |
SFTZ
| Santa Fe | 15 |
SHFZ
| SHFZ | 1 |
SNLZ
| Schneider National | 11 |
STTZ
| Stevens Transport | 1 |
SWFZ
| Swift Transportation | 1 |
TCIZ
| TRIPLE CROWN SERVICES INC | 5 |
TDIZ
| Thoroughbred Direct | 45 |
TIPZ
| TIP Intermodal Services | 8 |
TMHZ
| TMHZ | 1 |
TMPZ
| TIP Intermodal Services | 33 |
TTLZ
| Tropical Trailer Leasing Corporation | 1 |
UPOZ
| United Parcel Service | 2 |
UPSZ
| United Parcel Service | 74 |
USAZ
| XTRA Intermodal | 7 |
USPZ
| U.S. Postal Service | 1 |
USXZ
| US Express Enterprises | 18 |
UTSZ
| Transamerica Leasing | 1 |
VIPZ
| Vermont Railway | 2 |
VTRZ
| Vermont Railway Incorporated | 4 |
WARZ
| White Arrow | 16 |
WERZ
| Werner Enterprises Incorporated | 5 |
WMLZ
| Watkins Motor Lines Inc | 2 |
YFSZ
| Yellow Freight Services Incorporated | 12 |
YLOZ
| Yellow Truck Lines | 3 |