| Carrier Code | Carrier Name |
| YSTT | YAYLA SHIPPING TRANSPORTATION AND TRADING INC, INSTABUL |
| YUKN | YUKON NAVIGATION INC |
| YUTB | YUTANA BARGE LINES INC |
| ZAGO | ZAGORA EDIKI NAFTIKI EPIHIRISI |
| ZALU | ZALUNZY, MICHAEL |
| ZAPU | ZAKKADY AZOTOWA PUKAWY |
| ZCSU | ZIM CONTAINER SERVICE(A DIV OF ZIM ISRAEL NAVIGATION CO LTD) |
| ZELE | ZELLER MARINE SERVICE INC |
| ZELU | ZENITH ENGINEERING PTE LTD |
| ZEPU | ZEPPELIN METALLWERKE GMBH |
| ZERS | ZERMATT SHIPPING CORP |
| ZIMU | ZIM INTEGRATED SHIPPING SERVICES LTD |
| ZINI | ZINI NAVIGATION COMPANY LIMITED (CYPRUS) |
| ZJSU | Z RIVER SHIPPING CORPORATION |
| ZOND | ZONDA SHIPPING COMPANY LTD |
