| Code | Name | City | State |
| ZXMEG | Z & X EXPRESS LLC | MELVENDALE | MI |
| ZTSPG | Z & Z TRUCKING EXPRESS | SAINT PETERSBURG | FL |
| ZIPOG | Z AND I TRUCKING LLC | PORTERVILLE | MS |
| ZBBRG | Z BROTHERS TRUCKING LLC | BROOKLYN | OH |
| ZLPLG | Z LINE LOGISTICS LLC | PLANO | TX |
| ZTHLG | Z TRUCKING INC | HAM LAKE | MN |
| ZRBGG | Z-BEST TRANSPORT INC | BOWLING GREEN | KY |
| ZTJAG | ZACK TRANSPORT LLC | JACKSONVILLE | FL |
| ZTG2G | ZAHROWSKI TRANSPORT LLC | GILLETTE | WY |
| ZELEG | ZANCO EXPRESS INC | LEBANON | TN |
| ZTG1G | ZARA TRUCKING LLC | GREENVILLE | SC |
| ZLDAG | ZARRA LOGISTICS LLC | DALLAS | TX |
| TFSTG | ZAYAN METAL EXPORTS INC | STAFFORD | TX |
| ZTSEG | ZEE TRUCKING INC | SEDGWICK | KS |
| BZTHG | ZEINA ARGUETA | THE COLONY | TX |
| ZTHAG | ZELLER TRANSPORTATION LLC | HARTFORD | WI |
| ZTABG | ZERNICKE TRUCKING INC | ABRAMS | WI |
| ZFBLG | ZEUS FARMS LLC | BLOOMFIELD | IA |
| ZTSSG | ZEXPRESSTRUCKING LLC | SILVER SPRING | MD |
| R3CHG | ZIGI GREIGHT INC | CHICAGO | IL |
| ZCHEG | ZIMA CORPORATION | HOFFMAN ESTATES | IL |
| ZTMIG | ZIMMERMAN TRUCK LINES | MIFFLINTOWN | PA |
| KKBGG | ZINO CONIER | BELLE GLADE | FL |
| ZTT1G | ZINVOR TRUCKING LLC | TWIN FALLS | ID |
| ZTLGG | ZION TRANSPORT LLC | LEMON GROVE | CA |
| ZTPHG | ZIYA TRUCKING LLC | PHILADELPHIA | PA |
| FOLOG | ZIYA YAZICI | LOVELAND | OH |
| ZTNRG | ZNZ TRUCKING INC | NORT ROYALTON | OH |
| ZEELG | ZOLLINGER ENTERPRISES LLC | ELLINWOOD | KS |
| KTNBG | ZOLZISTAN BILAS | NEW BRITAIN | CT |
| ZTBIG | ZOOK TRUCKING LLC | BIRD IN HAND | PA |
| ZLCOG | ZORA LOGISTICS INC | COUNTRYSIDE | IL |
| BTR4G | ZOYA BARSUKOV | ROCKLIN | CA |
| ZLLOG | ZR LOGISTICS LLC | LOUISVILLE | KY |
| ZTBGG | ZS TRANSPORTATION LLC | BOWLING GREEN | KY |
| ZTBLG | ZUMBA TRANSPORTATION LLC | BLOOMINGTON | MN |
| ZTGIG | ZZ TRUCKING LLC | GILBERT | AZ |