| 1101 | NCGU | Genstar Corporation | | | RSRV |
| 1102 | NCGU | TIP Intermodal Services | | | RSRV |
| 1103 | NCGX | Merchants Despatch Transportation Corp. | added 7/1962; 7/1965-10/1966; eliminated 7/1968 | | NAKINA |
| 1104 | NCGX | Northern Refrigerator Line Inc. | 1/1950-4/1961; eliminated 7/1962 | | NAKINA |
| 1105 | NCGX | Northern Refrigerator Line Inc. | 1/52-4/61 | | NRHS |
| 1106 | NCGX | Merchants Despatch Transportation Corp. | 7/65-10/66; eliminated 7/68 | | NRHS |
| 1107 | NCGX | *NORTHERN REFRIGERATOR LINE | | | PWRC |
| 1108 | NCH | Chanchangi Airlines Nigeria Limited | IATA: 3U, Callsign: Chanchangi, Designator 3U* recalled by IATA | WAN | AVCODES |
| 1109 | NCH | Chanchangi Airlines | | | ICAO1 |
| 1110 | NCHA | NORTHSTAR CHEMICAL | | | SCAC4 |
| 1111 | NCHH | NEW COLONY HOME HEATING OIL INC | | | SCAC4 |
| 1112 | NCHI | NELCHINA LODGE | | | SCAC3 |
| 1113 | NCHK | NATIONAL CONTAINER LINE | | | SCAC3 |
| 1114 | NCHK | NICHOLSON, KEITH & SONS LTD | | | SCAC4 |
| 1115 | NCHL | NICHOLAS MOVING SYSTEMS INC | | | SCAC4 |
| 1116 | NCHO | NICHOLS TRANSPORT INC | | | SCAC3 |
| 1117 | NCHO | NICHOLS TRANSPORT INC | | | SCAC4 |
| 1118 | NCHR | NICHOLAS TRANSPORT INC | | | SCAC3 |
| 1119 | NCHR | NCH PROMOTIONAL SERVICES DE MEXICO | | | SCAC4 |
| 1120 | NCHT | NYCONN HORSE TRANSPORTATION CORPORA | | | SCAC3 |
| 1121 | NCHT | NYCONN HORSE TRANSPORTATION CORPORA | | | SCAC4 |
| 1122 | NCHU | TIP INTERMODAL SERVICES | | | PWRC |
| 1123 | NCHU | TIP Intermodal Services | | | RSRV |
| 1124 | NCHW | NICHOLS, W E III TRUCKING INC | | | SCAC3 |
| 1125 | NCHX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 1126 | NCHX | General Electric Railcar Services Corp. | added 1/1984; 1/1994; eliminated 1/2000 | | NAKINA |
| 1127 | NCHX | North American Car Corp. | added 1/1976; 1/1980; eliminated 1/1984 | | NAKINA |
| 1128 | NCHX | North American Car (Canada) Ltd. | added 1/1964; 7/1965-1/1975; eliminated 1/1976 | | NAKINA |
| 1129 | NCHX | North American Car (Canada) Ltd. | 7/65-1/75 | | NRHS |
| 1130 | NCHX | North American Car Corp. | Jan-80 | | NRHS |
| 1131 | NCHX | General Electric Railcar Services Corp. | 1/94; eliminated 1/2000 | | NRHS |
| 1132 | NCHX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 1133 | NCHX | ((NATX) GENERAL ELECTRIC RAIL SERVICES CORP. [NORTH AMERICAN CAR CORP.] | | | PWRC |
| 1134 | NCHX | GE Capital Railcar Services | | | RSRV |
| 1135 | NCHX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 1136 | NCHZ | FORTISCHEM a.s. | | SK | VKM |
| 1137 | NCIC | NORMARC INC | | | SCAC3 |
| 1138 | NCIC | NICKEL, ALFRED H | | | SCAC4 |
| 1139 | NCID | NATIONAL CARRIER INC | | | SCAC4 |
| 1140 | NCIG | NCI GROUP INC | | | SCAC4 |
| 1141 | NCII | NIAGARA COMPOSITES INDUSTRIES INC | | | SCAC4 |
| 1142 | NCIL | NATIONAL COURIER | | | SCAC4 |
| 1143 | NCIN | NACION TRANSPORTATION CORP | | | SCAC3 |
| 1144 | NCIO | NORVIK CARGO INTERNATIONAL | | | SCAC4 |
| 1145 | NCIP | NCI TRANSPORT | | | SCAC4 |
| 1146 | NCIQ | NEW CENTURY INTERMODAL INC | | | SCAC4 |
| 1147 | NCIR | New Castle Industrial R.R. | added 10/2003; eliminated 1/2004; 7/2005 | | NAKINA |
| 1148 | NCIR | NEW CASTLE INDUSTRIAL RAILROAD | | | PWRC |
| 1149 | NCIR | New Castle Industrial Railroad | | | RSRV |
| 1150 | NCIR | NEW CASTLE INDUSTRIAL RAILROAD | | | SCAC4 |
| 1151 | NCIR | New Castle Industrial R.R. | | USA | TRAFFIC |
| 1152 | NCIU | NORTH AMERICAN CONTAINER SYSTEM (TRAC LEASE) | | | PWRC |
| 1153 | NCIU | North American Container System | | | RSRV |
| 1154 | NCIV | NEW | | | SCAC4 |
| 1155 | NCIW | NOW COURIER INC | | | SCAC4 |
| 1156 | NCIX | Nova Chemicals Inc. | added 4/1997; 7/2000-7/2005 | | NAKINA |
| 1157 | NCIX | Novacor Chemicals Inc. | added 4/1996; eliminated 4/1997 | | NAKINA |
| 1158 | NCIX | Nebraska Co-Operative Creameries, Inc. | 7/1935 | | NAKINA |
| 1159 | NCIX | Novacor Chemicals Inc. | added 4/96; eliminated 4/97 | | NRHS |
| 1160 | NCIX | Nova Chemicals Inc. | added 4/97; 7/2000 | | NRHS |
| 1161 | NCIX | NOVA CHEMICALS INCORPORATED [NOVACOR CHEMICALS, INC.] | | | PWRC |
| 1162 | NCIX | Nova Chemicals | | | RSRV |
| 1163 | NCIX | NOVA CHEMICALS INC | | | SCAC4 |
| 1164 | NCIZ | NUCOR INDUSTRY | | | PWRC |
| 1165 | NCJ | North Central | Callsign: North Central, | USA | AVCODES |
| 1166 | NCJT | NELSON, C J TRANSFER INC | | | SCAC3 |
| 1167 | NCJU | NORTH AMERICAN CONTAINER SYSTEM | | | PWRC |
| 1168 | NCJU | North American Container System | | | RSRV |
| 1169 | NCK | Nagycenk | | H | TRAFFIC |
| 1170 | NCKE | NORTH CENTRAL KENTUCKY EXPRESS, INC | | | SCAC3 |
| 1171 | NCKI | NC TRUCKING | | | SCAC4 |
| 1172 | NCKL | NICKELL TRUCKING CO INC | | | SCAC3 |
| 1173 | NCKN | NC TRUCKING | | | SCAC4 |
| 1174 | NCKT | NICKS TRANSPORT INC | | | SCAC3 |
| 1175 | NCKX | Northrop Cooperative Creamery (North Western Refrigerator Line Co.) | 7/1935 | | NAKINA |
| 1176 | NCL | ACA-Ancargo Air Sociedade de Transporte de Carga Lda | Callsign: Ancargo Air, | ANG | AVCODES |
| 1177 | NCL | National Commuter Airlines | Callsign: Commuterbird, Ceased operations | GB | AVCODES |
| 1178 | NCL | National Commuter Airways | | GB | AVCODES |
| 1179 | NCL | ACA-Ancargo Air Sociedade de Transporte de Carga L | | | ICAO1 |
| 1180 | NCL | National City Lines | | USA | TRAFFIC |
| 1181 | NCLB | NORTH COAST LOGISTICS INC | | | SCAC4 |
| 1182 | NCLD | NORTHERN CARTAGE LTD | | | SCAC4 |
| 1183 | NCLE | NORTH CENTRAL TRANSPORT OF WAUSAU I | | | SCAC3 |
| 1184 | NCLE | NICOLE & CO | | | SCAC4 |
| 1185 | NCLG | NORTHWEST CARRIER LOGISTICS LLC | | | SCAC4 |
| 1186 | NCLH | NCL INC | | | SCAC4 |
| 1187 | NCLK | NCL CONTAINER LINES CO LTD | | | SCAC4 |
| 1188 | NCLL | NORASIA CONTAINER LINES LIMITED | | | SCAC4 |
| 1189 | NCLM | NORTHERN CLAM LTD | | | SCAC4 |
| 1190 | NCLN | NEW CHALLENGE LOGISTIC INC | | | SCAC4 |
| 1191 | NCLO | NORTHFORK CARRIERS LTD | | | SCAC4 |
| 1192 | NCLP | NCC L P | | | SCAC3 |
| 1193 | NCLQ | NORTH COUNTRY LOGISTICS INC | | | SCAC4 |
| 1194 | NCLS | NICHOLS TRUCKING CO INC | | | SCAC3 |
| 1195 | NCLS | NICHOLS TRUCKING CO INC | | | SCAC4 |
| 1196 | NCLT | NORTH CENTRAL LOGISTICS INC | | | SCAC4 |
| 1197 | NCLU | CAREER (HK) CO., LIMITED | | HK | BIC |
| 1198 | NCLU | CHINA OCEAN SHIPPING COMPANY | | | PWRC |
| 1199 | NCLU | China Ocean Shipping | | | RSRV |
| 1200 | NCLU | NAMUCAR LINE | | | SCAC3 |
