| 1 | Y258 | TRANSPAC CONT SVS (WIL 136/139) | SCAC4 | ||
| 2 | YAAF | YAAHOO TRANSPORT LOGISTICS LINK | SCAC4 | ||
| 3 | YABM | YATES, DON TRUCKING INC | SCAC4 | ||
| 4 | YAEG | YAEGER TRANSPORT INC | SCAC4 | ||
| 5 | YAEL | YAEL TRUCKING | SCAC4 | ||
| 6 | YAGE | Y II AGENCY INC | SCAC4 | ||
| 7 | YAGG | YAGGY, STEVE SPECIALIZED TRUCK SERV | SCAC4 | ||
| 8 | YAGR | YAGER BROS INC | SCAC4 | ||
| 9 | YAK | Yakolev | ICAO1 | ||
| 10 | YAKM | YAKIMA OIL CO INC | SCAC4 | ||
| 11 | YAMAS | Yamasaki Kanko | J | TRAFFIC | |
| 12 | YAMI | YOUNG, ALLEN MOVERS INC | SCAC4 | ||
| 13 | YAMK | YAMKO TRUCK LINES, INC. | SCAC1 | ||
| 14 | YAMK | YAMKO TRUCK LINES | SCAC4 | ||
| 15 | YAML | YANKEE LINES INC | PWRC | ||
| 16 | YAMO | YAM CITY OIL CO INC | SCAC4 | ||
| 17 | YAMU | YAMATO CUSTOMS BROKERS | SCAC4 | ||
| 18 | YAN | Yancey R.R. Co. | 1/1975; added 1/1980; 1/1980; eliminated 10/1989 | NAKINA | |
| 19 | YAN | Yancey R.R. Co. | 1/75; added 1/80; 1/80; eliminated 10/89 | NRHS | |
| 20 | YAN | YANCY RAILROAD | PWRC | ||
| 21 | YAN | Yancey Railroad | RSRV | ||
| 22 | YAND | YANDELL TRUCKAWAY INC | SCAC4 | ||
| 23 | YANG | YANG LINE | SCAC4 | ||
| 24 | YANK | YANKEE PRIDE TRANSPORT INC | SCAC4 | ||
| 25 | YANKEE | Yankee Trails | USA | TRAFFIC | |
| 26 | YANT | YAN TRANSPORT LOGISTIC | SCAC4 | ||
| 27 | YARA | Yara Rostock Zweigniederlassung der Yara GmbH & Co. KG | DE | VKM | |
| 28 | YARAF | Yara Suomi Oy | FI | VKM | |
| 29 | YARB | YARBROUGH TRANSFER COMPANY | SCAC1 | ||
| 30 | YARB | YARBROUGH TRANSFER COMPANY | SCAC4 | ||
| 31 | YARE | YARZA RODRIGUEZ, MARIA EUGENIA | SCAC4 | ||
| 32 | YARL | YARMOUTH LUMBER INC | SCAC4 | ||
| 33 | YARR | Youngstown & Austintown R.R., Inc. | added 4/1985 | NAKINA | |
| 34 | YARR | Ohio R.R. System | eliminated 10/1992 | NAKINA | |
| 35 | YARR | Columbus & Ohio River R.R. Co., Inc. | added 10/1992 | NAKINA | |
| 36 | YARR | Youngstown & Austintown R.R., Inc. | 1/1994-7/2005 | NAKINA | |
| 37 | YARR | Youngstown & Austintown R.R., Inc. | added 4/85 | NRHS | |
| 38 | YARR | Ohio R.R. System | eliminated 10/92 | NRHS | |
| 39 | YARR | Columbus & Ohio River R.R. Co., Inc. | added 10/92 | NRHS | |
| 40 | YARR | Youngstown & Austintown R.R., Inc. | 1/94-7/2000 | NRHS | |
| 41 | YARR | YOUNGSTOWN & AUSTINTOWN RAILROAD, INC. | PWRC | ||
| 42 | YARR | Youngstown and Austintown Railroad | RSRV | ||
| 43 | YARS | YARASHIP AS | SCAC4 | ||
| 44 | YARU | Yamaruji Nostalgic Railway | TRAFFIC | ||
| 45 | YASA | YA SA DENIZCILIK SANAYI VE TICARET | SCAC4 | ||
| 46 | YASS | YUSEN LOGISTICS (AMERICAS) INC | SCAC4 | ||
| 47 | YASV | YUSEN LOGISTICS (AMERICAS) INC | SCAC4 | ||
| 48 | YATI | YAMATO TRANSPORT U S A INC | SCAC4 | ||
| 49 | YATJ | YATER, JOE INC | SCAC4 | ||
| 50 | YATP | YATES TRUCKING COMPANY | SCAC4 | ||
| 51 | YAZ | CENTURY 21 PLANT | PWRC | ||
| 52 | YAZM | YAZMIN TRUCKING | SCAC4 | ||
| 53 | YB | The Youngstown Belt R.R. Co. | added 4/1997; 7/2000-7/2005 | NAKINA | |
| 54 | YB | The Youngstown Belt R.R. Co. | added 4/97; 7/2000 | NRHS | |
| 55 | YB | YOUNGSTOWN BELT RAILROAD CO. | PWRC | ||
| 56 | YB | Youngstown Belt Railroad | RSRV | ||
| 57 | YB | YOUNGSTOWN BELT RAILROAD COMPANY, T | SCAC4 | ||
| 58 | YBAR | YBARRA Y CIA SUDAMERICA S A | SCAC4 | ||
| 59 | YBCI | YOL BULK CARRIERS INC | SCAC4 | ||
| 60 | YBE | Stewart Aviation Services | ICAO1 | ||
| 61 | YBGH | YARBROUGH TRUCKING INC | SCAC4 | ||
| 62 | YBHA | YUBA HEAT | PWRC | ||
| 63 | YBLT | YERBA BUENA LTD | SCAC4 | ||
| 64 | YBRI | YELLOW BRICK ROAD LOGISTICS INC | SCAC4 | ||
| 65 | YBRL | YOUNG BROTHERS LIMITED | SCAC4 | ||
| 66 | YBSI | YELLOW BUS SERVICE INC | SCAC4 | ||
| 67 | YBST | YBS TRUCKING INC | SCAC4 | ||
| 68 | YBTI | YOUNG BROS TRUCKING INCORPORATED | SCAC4 | ||
| 69 | YBTL | YOUNGBLOOD TRUCK LINES INC | PWRC | ||
| 70 | YCA | YELLOW CAB COMPANY | SCAC4 | ||
| 71 | YCBC | YELLOW CAB COMPANY | SCAC4 | ||
| 72 | YCCR | YANKEE CARTING CORP | SCAC4 | ||
| 73 | YCDA | YELLOW CAB | SCAC4 | ||
| 74 | YCEU | INTER-CONTINENTAL EQUIPMENT, INC. | PWRC | ||
| 75 | YCEU | Inter-Continental Equipment | RSRV | ||
| 76 | YCIN | YOCUM OIL COMPANY INC | SCAC4 | ||
| 77 | YCLB | YOURFREIGHTRATE.COM LLC | SCAC4 | ||
| 78 | YCLW | YUSHIP CO LTD | SCAC4 | ||
| 79 | YCMZ | YELLOW CREEK MINE | PWRC | ||
| 80 | YCOI | YODER & CO INC | SCAC4 | ||
| 81 | YCR | YCR CORP | SCAC4 | ||
| 82 | YCSN | YO COUSIN | SCAC4 | ||
| 83 | YCTB | Yokohama City Transportation Bureau | City: Yokohama | J | TRAFFIC |
| 84 | YCTC | YC TRANSPORTATION INC | SCAC4 | ||
| 85 | YDC | YANKEE DOT CORP. | PWRC | ||
| 86 | YDC | Yankeetown Docks Corporation | USA | TRAFFIC | |
| 87 | YDCS | YAZICI DEMIR CELIK SANAYI VE TURIZM | SCAC4 | ||
| 88 | YDCX | Yankeetown Dock Corp. | added 7/1979; 1/1980; eliminated 1/1980 | NAKINA | |
| 89 | YDCX | Peabody Coalsales Co. | added 7/2005; 7/2005 | NAKINA | |
| 90 | YDCX | Yankeetown Dock Corp. | added 7/79; 1/80; eliminated 1/80 | NRHS | |
| 91 | YDCX | *YANKEETOWN DOCK CORP. | PWRC | ||
| 92 | YDCX | +PEABODY COALSALES CO. | PWRC | ||
| 93 | YDCX | PEABODY COALSALES COMPANY | SCAC4 | ||
| 94 | YDHR | York Durham Heritage Railway | RSRV | ||
| 95 | YDHR | York-Durham Heritage Railway | CDN | TRAFFIC | |
| 96 | YDIS | YANEZ, DIMAS | SCAC4 | ||
| 97 | YDKY | YACUCHA, DEAN KELLY | SCAC4 | ||
| 98 | YDLA | YARDA LUPITA | SCAC4 | ||
| 99 | YDLC | YVES DELORME INC | SCAC4 | ||
| 100 | YDRJ | YODER, JOSEPH | SCAC4 |