| 1 | Z | SHOWA LINE, LTD. | PWRC | ||
| 2 | Z | 1m~25px | TRAFFIC | ||
| 3 | ZAAO | ZIMMERMAN TRUCKING | SCAC4 | ||
| 4 | ZABR | Zájazdy Bratislava | SK | TRAFFIC | |
| 5 | ZACH | Zakłady Azotowe Chorzów S.A. | PL | VKM | |
| 6 | ZACO | ZARCO 66 INC | SCAC4 | ||
| 7 | ZACT | ZAC-TRANZ | SCAC4 | ||
| 8 | ZACX | Zaclon, Inc. | added 10/1988; 1/1994-7/2005; eliminated 10/2009 | NAKINA | |
| 9 | ZACX | Zaclon, Inc. | added 10/88; 1/94-7/2000 | NRHS | |
| 10 | ZACX | ZACLON, INC. | PWRC | ||
| 11 | ZACX | Zaclon | RSRV | ||
| 12 | ZACX | ZACLON INCORPORATED | SCAC4 | ||
| 13 | ZADE | ZADERAKA TRANSPORT INC | SCAC4 | ||
| 14 | ZADJ | ZADROZNY, J INC | SCAC4 | ||
| 15 | ZAF | Zuckerfabriken Aarberg und Frauenfeld AG | CH | VKM | |
| 16 | ZAFQ | ZAVECO LTD | SCAC4 | ||
| 17 | ZAFU | SAFTAINER | SCAC4 | ||
| 18 | ZAGI | AGRIPEN INDUST. CAROLINA CORN PROCESSOR | PWRC | ||
| 19 | ZAGR | AGRICO CHEMICAL CO. | PWRC | ||
| 20 | ZAGR | City: Zagreb | HR | TRAFFIC | |
| 21 | ZAGRO | ZAGRO Bahn- und Baumaschi | DE | VKM | |
| 22 | ZAHN | ZAHN, R D TRANSPORTATION COMPANY IN | SCAC4 | ||
| 23 | ZAI | Zaire Aero Service | ICAO1 | ||
| 24 | ZAJAZD | Przewóz Osób "Zajazd" sp. z o.o. | City: Ruda Slaska | PL | TRAFFIC |
| 25 | ZAK | Airlink Zambia | IATA: K8 | ICAO1 | |
| 26 | ZAK | City: Zakopane | PL | TRAFFIC | |
| 27 | ZAKI | Z AND K LEASING INCORPORATED | SCAC4 | ||
| 28 | ZAKR | ZAKRON INDUSTRIES INC | SCAC4 | ||
| 29 | ZALA | Zala Volán | H | TRAFFIC | |
| 30 | ZAMA | U.S. Army Camp Zama | J | TRAFFIC | |
| 31 | ZAMC | Z A M TRANSPORTATION COMPANY INC | SCAC4 | ||
| 32 | ZAMO | ZAMORA TRUCKING | SCAC4 | ||
| 33 | ZAMR | ZAMORA FREIGHT MANAGEMENT LLC | SCAC4 | ||
| 34 | ZAMT | Z AUTOMOTRIZ Y AUTOTRANSPORTE S A D | SCAC4 | ||
| 35 | ZAN | Zantop International Airlines | ICAO1 | ||
| 36 | ZANT | ZANTINGH SWINE INC | SCAC4 | ||
| 37 | ZAPN | ZAPIEN TRUCKING | SCAC4 | ||
| 38 | ZAPPA | Zappa Benedetto srl | I | TRAFFIC | |
| 39 | ZAPS | ZAPS TRUCKING INC | SCAC4 | ||
| 40 | ZAPU | ZAKLADY AZOTOWA PULAWY SA | SCAC4 | ||
| 41 | ZAPUL | Zakłady Azotowe PUŁAWY S.A. | PL | VKM | |
| 42 | ZAR | Zairean Airlines | ICAO1 | ||
| 43 | ZARL | ZARTRAN LLC | SCAC4 | ||
| 44 | ZARN | ZARNS OIL INC | SCAC4 | ||
| 45 | ZART | ZARO TRANSPORTATION LLC | SCAC4 | ||
| 46 | ZAS | ZAS Airlines of Egypt | ICAO1 | ||
| 47 | ZAS | ZAS Zweckverband Abfallverw. Südostb. | DE | VKM | |
| 48 | ZAST | Zastava | YU | TRAFFIC | |
| 49 | ZATA | ZAPATA MUNIZ, GUADALUPE | SCAC4 | ||
| 50 | ZATO | ZATOPEK OIL | SCAC4 | ||
| 51 | ZATU | GEODIS ZUST AMBROSETTI SPA | SCAC4 | ||
| 52 | ZATV | ZEEMAN AUTO & TRUCKING SERVICES INC | SCAC4 | ||
| 53 | ZAVA | ZAVALZA TRUCKING COMPANY INC | SCAC4 | ||
| 54 | ZAW | Zoom Airways | ICAO1 | ||
| 55 | ZAWCO | Zweckverband Abfallwirtschaft Nordwest Oberfranken | DE | VKM | |
| 56 | ZAWI | Zakład Komunikacji Miejskiej w Zawierciu | PL | TRAFFIC | |
| 57 | ZAWK | ZIMMERMANS AUTO WRECKING | SCAC4 | ||
| 58 | ZAZ | TRAFFIC | |||
| 59 | ZAZA | ZAZUETA TRANSPORT INC | SCAC4 | ||
| 60 | ZB | Zillertaler Verkehrsbetriebe AG | AT | VKM | |
| 61 | ZBA | Boskovic Air Charters Limited | ICAO1 | ||
| 62 | ZBAU | Zürcher Bau GmbH | DE | VKM | |
| 63 | ZBB | ZABABA s.r.o. | CZ | VKM | |
| 64 | ZBBV | ZEALAND BEATRIX BV | SCAC4 | ||
| 65 | ZBCHS | ZÁVOD BIOCHEMICKÝCH SLUŽEB, s.r.o. | CZ | VKM | |
| 66 | ZBEL | ZAMBELLI MANUFACTURING COMPANY INC | SCAC4 | ||
| 67 | ZBH | Zeljeznice Federacije Bosne i Hercegovine | BIH | TRAFFIC | |
| 68 | ZBIC | ZOMER BROTHERS INC | SCAC4 | ||
| 69 | ZBJA | ZAMORA BEAUREGARD, JUAN ANTONIO | SCAC4 | ||
| 70 | ZBM | Zeppelin Baumashinen GmbH | DE | VKM | |
| 71 | ZBPC | BP CHEMICALS (BP-AMOCO) | PWRC | ||
| 72 | ZBSI | ZEAGER BROS INC | SCAC4 | ||
| 73 | ZBTI | ZB TRANSPORT INC | SCAC4 | ||
| 74 | ZBTJ | ZIMBARDI, TIMOTHY J | SCAC4 | ||
| 75 | ZBTT | ZIEBA TRANSPORT | SCAC4 | ||
| 76 | ZBTX | Zalev Brothers Scrap Yard, Windsor, Ontario, Canada | RSRV | ||
| 77 | ZBXU | ZIM ISRAEL NAVIGATION CO LTD | PWRC | ||
| 78 | ZBXU | Zim Israel Navigation Limited | RSRV | ||
| 79 | ZC | Railway of the Democratic Peoples Republic of Korea (ЗЧ) | KP | VKM | |
| 80 | ZCAX | Zinc Corp. of America (previously St. Joe Minerals Corp., reporting marks SJMX) | added 10/1988; 1/1994-7/2000; eliminated 10/2002; 7/2005 (not listed) | NAKINA | |
| 81 | ZCAX | Zinc Corp. of America (previously St. Joe Minerals Corp., reporting marks SJMX) | added 10/88; 1/94-7/2000 | NRHS | |
| 82 | ZCAX | ZINC CORPORATION OF AMERICA (PREVIOUSLY ST. JOE MINERALS CORP., REPORTING MARK SJMX) | PWRC | ||
| 83 | ZCAX | Zinc Corporation of America | RSRV | ||
| 84 | ZCAX | ZINC CORPORATION OF AMERICA | SCAC4 | ||
| 85 | ZCCN | ZOLADZ CONSTRUCTION CO INC | SCAC4 | ||
| 86 | ZCCX | Zeigler Coal Co. | added 1/1979; 1/1980-1/1994; eliminated 7/1999; 7/2000-7/2005 (not listed) | NAKINA | |
| 87 | ZCCX | Zeigler Coal Co. | added 1/79; 1/80-1/94; eliminated 7/99; 7/2000 | NRHS | |
| 88 | ZCCX | ZEIGLER COAL COMPANY | PWRC | ||
| 89 | ZCCX | Zeigler Coal | RSRV | ||
| 90 | ZCCX | ZEIGLER COAL COMPANY | SCAC4 | ||
| 91 | ZCDV | ZANIN CD DVD INC | SCAC4 | ||
| 92 | ZCG | Zeljeznica Crne Gore | CG | TRAFFIC | |
| 93 | ZCG | Željeznice Crne Gore | ME | VKM | |
| 94 | ZCHA | Zakłady Chemiczne “Alwernia” S.A. | PL | VKM | |
| 95 | ZCHLU | LUVENA S.A. | PL | VKM | |
| 96 | ZCHN | ZAMUDIO CAMACHO, HOUSTON | SCAC4 | ||
| 97 | ZCHR | ZAKŁADY CHEMICZNE “RUDNIKI” S.A. | PL | VKM | |
| 98 | ZCHSA | Zakłady Chemiczne „Organika-Sarzyna” S.A. | PL | VKM | |
| 99 | ZCHSI | Zakłady Chemiczne “Siarkopol” Tarnobrzeg Sp. z o.o. | PL | VKM | |
| 100 | ZCHZ | Zakłady Chemiczne ZACHEM S.A. | PL | VKM |