| 1101 | LBTF | L & B TRUCKING COMPANY | | | SCAC3 |
| 1102 | LBTG | LONG BEACH TRUCKING INC | | | SCAC4 |
| 1103 | LBTK | LARSEN, BART TRUCKING INC | | | SCAC4 |
| 1104 | LBTL | LIBERTY LINES | | | SCAC3 |
| 1105 | LBTM | L & B TRUCKING INC | | | SCAC3 |
| 1106 | LBTN | L & B TRANSPORTATION CO INC | | | SCAC3 |
| 1107 | LBTN | L & B TRANSPORT LLC | | | SCAC4 |
| 1108 | LBTO | L B TRANSPORT EXPRESS | | | SCAC4 |
| 1109 | LBTP | L B TRANSPORT INC | | | SCAC3 |
| 1110 | LBTP | L B TRANSPORT INC | | | SCAC4 |
| 1111 | LBTQ | LAMBERTS OF DECATUR INC | | | SCAC3 |
| 1112 | LBTQ | LIBERTY TRUCK CENTER INC | | | SCAC4 |
| 1113 | LBTR | L B TRUCKING | | | SCAC3 |
| 1114 | LBTR | L B T TRANSPORTATION | | | SCAC4 |
| 1115 | LBTT | LIBERTY TRANSFER COMPANY INC | | | SCAC3 |
| 1116 | LBTT | LIBERTY TRANSPORTATION INC | | | SCAC4 |
| 1117 | LBTU | Lubrication Technologies,Inc | | | RSRV |
| 1118 | LBTV | L B TRUCK LINES INC | | | SCAC3 |
| 1119 | LBTW | LEBEOUF BROS TOWING CO INC | | | SCAC3 |
| 1120 | LBTY | LIBERTY TRANSPORTATION INC | | | SCAC3 |
| 1121 | LBUC | LE BUS INC | | | SCAC3 |
| 1122 | LBUG | LADY BUGS TRANSPORTATION INC | | | SCAC3 |
| 1123 | LBUL | LEISURE COACHES INC | | | SCAC3 |
| 1124 | LBUL | LAURITZEN BULKERS A/S | | | SCAC4 |
| 1125 | LBVN | LIBERTY VAN LINES | | | SCAC3 |
| 1126 | LBVT | LITTLE BEAVER TRANSPORTATION | | | SCAC3 |
| 1127 | LBVX | vlexx GmbH | | D | TRAFFIC |
| 1128 | LBVX | DNSW GmbH | | DE | VKM |
| 1129 | LBW | Albatros Airways | IATA: 4H, IATA Prefix: 931, Ceased operations on 01 September 2006. | AL | AVCODES |
| 1130 | LBW | Albatros Airways | | | ICAO1 |
| 1131 | LBW | Lubelski Wegiel \'\'Bogdanska\'\' S.A. W Bogdance | | PL | VKM |
| 1132 | LBWG | LB TOWING | | | SCAC4 |
| 1133 | LBWI | LONDON BAIT | | | SCAC4 |
| 1134 | LBWL | LANSING BOARD OF WATER & LIGHT | | | PWRC |
| 1135 | LBWT | LBW TRUCKING | | | SCAC3 |
| 1136 | LBWX | Technical Propellants, Inc. | added 1/1995; 7/2000; eliminated 1/2004 | | NAKINA |
| 1137 | LBWX | Pulaski Development Co. | added 4/1978; 1/1980-1/1994; eliminated 1/1995 | | NAKINA |
| 1138 | LBWX | Pulaski Development Co. | added 4/78; 1/80-1/94; eliminated 1/95 | | NRHS |
| 1139 | LBWX | Technical Propellants, Inc. | added 1/95; 7/2000 | | NRHS |
| 1140 | LBWX | PULASKI DEVELOPMENT COMPANY (TECHNICAL PROPELLANTS, INC. - LESSEE) | | | PWRC |
| 1141 | LBWX | Pulaski Development | | | RSRV |
| 1142 | LBX | The Long-Bell Lumber Co. | 7/1937-1/1952; eliminated 4/1953 | | NAKINA |
| 1143 | LBX | Lantz Bros. & Co. | 8/1920 | | NAKINA |
| 1144 | LBX | The Long-Bell Lumber Co. | 4/38-1/52 | | NRHS |
| 1145 | LBX | *LANTZ BROS. & CO. | | | PWRC |
| 1146 | LBX | *LONG-BELL LUMBER CO. | | | PWRC |
| 1147 | LBXC | LIBRA TRANSPORTATION LLC | | | SCAC4 |
| 1148 | LBXI | LAB EXPRESS INC | | | SCAC3 |
| 1149 | LBXN | LAMB TRANSPORT | | | SCAC4 |
| 1150 | LBXP | LIBERTY EXPRESS INC | | | SCAC3 |
| 1151 | LBXS | LIBERTY EXPRESS LTD | | | SCAC4 |
| 1152 | LBXT | LAREDO BORDER TRANSPORT | | | SCAC4 |
| 1153 | LBY | Belle Air Company | IATA: LZ, Callsign: Alban-Belle, Ceased operations on 25 November 2013. IATA designator changed from LB. | AL | AVCODES |
| 1154 | LBY | Belle Air Company | IATA: LB, Callsign: Alban-Belle, IATA designator changed to LZ | AL | AVCODES |
| 1155 | LBY | Belle Air | | | ICAO1 |
| 1156 | LBYA | LIBERTY AUTO TRANSPORT INC | | | SCAC3 |
| 1157 | LBYB | LIMOUSINES BY BARONS | | | SCAC3 |
| 1158 | LBYB | LOGISTICS BY BONTREGER INC | | | SCAC4 |
| 1159 | LBYG | LIBBY G CORPORATION | | | SCAC4 |
| 1160 | LBYL | LIBERTY LINES LTD | | | SCAC3 |
| 1161 | LBYL | LIBERTY TRANSPORT | | | SCAC4 |
| 1162 | LBYM | LIBERTY TERMINALS LLC | | | SCAC4 |
| 1163 | LBYR | LIBERTY TRANSPORT LLC | | | SCAC4 |
| 1164 | LBYS | LIBERTY TRANSFER & STORAGE INC | | | SCAC3 |
| 1165 | LBZ | Angkasa Super Service, PT. | | RI | AVCODES |
| 1166 | LBZQ | LIMBAZHI SHIPPING CO., LTD. | | | SCAC3 |
| 1167 | LBZT | LABENZ TRUCKING INC | | | SCAC3 |
| 1168 | LC | Legend Airlines, Inc. | ICAO: LGD, Callsign: Legendary, Ceased operations on 03 December 2002. | USA | AVCODES |
| 1169 | LC | Varig Logistica, S/A | ICAO: VLO, Ceased operations 01 February 2012. Declared bankrupt 27 September 2012. IATA designator changed from 4V* | BR | AVCODES |
| 1170 | LC | Loganair Limited | ICAO: LOG, Callsign: Logan, Designator recalled by IATA | GB | AVCODES |
| 1171 | LC | Equatorial Congo Airlines Ltd (ECAir) | IATA Prefix: 753, Founded in 2011. Commenced operations on 24 September 2011. Declared bankrupt in France courts in October 2016. Flights operated by Privatair (PTI) | GQ | AVCODES |
| 1172 | LC | Encompass Aviation, LLC | ICAO: ROM, Callsign: Rome, Ceased operations during 2018. | USA | AVCODES |
| 1173 | LC | Grupo Corporativo Skyway. S.A. | | CR | AVCODES |
| 1174 | LC | Lancaster & Chester Ry. Co. | 4/1938-7/2005 | | NAKINA |
| 1175 | LC | Lancaster & Chester Ry. Co. | 4/38-7/2000 | | NRHS |
| 1176 | LC | LANCASTER & CHESTER RAILWAY COMPANY | | | PWRC |
| 1177 | LC | Lancaster and Chester Railway | | | RSRV |
| 1178 | LC | LANCASTER & CHESTER RAILROAD LLC | | | SCAC4 |
| 1179 | LC | Lancaster and Chester | | USA | TRAFFIC |
| 1180 | LC | Lafarge Cement a.s. | | CZ | VKM |
| 1181 | LC&N | Lake Charles & Northern R.R. (Southern Pacific Lines in Texas and Louisiana) | 8/1920-7/1923 | | NAKINA |
| 1182 | LC&N | LAKE CHARLES & NORTHERN RAILROAD (SOUTHERN PACIFIC LINES IN TEXAS & LOUISIANA) | | | PWRC |
| 1183 | LCA | Leconte Airlines | Callsign: Leconte, | USA | AVCODES |
| 1184 | LCA | Leconte Airlines | | | ICAO1 |
| 1185 | LCAB | LIMO CAB | | | SCAC3 |
| 1186 | LCAE | LORE, CLARENCE A | | | SCAC3 |
| 1187 | LCAE | LCA DEVELOPMENT INC | | | SCAC4 |
| 1188 | LCAG | LUCCA TRUCKING | | | SCAC4 |
| 1189 | LCAI | LUBRICATION COMPANY OF AMERICA | | | SCAC3 |
| 1190 | LCAI | LE CLAN PANNETON (1993) INC | | | SCAC4 |
| 1191 | LCAO | LARA CORREA, ALEJANDRO | | | SCAC4 |
| 1192 | LCAQ | LAKE COUNTY AIR FREIGHT | | | SCAC3 |
| 1193 | LCAR | LACHAPELLE, ANDRE | | | SCAC4 |
| 1194 | LCAR | Carousel Buses | | GB | TRAFFIC |
| 1195 | LCAT | LEADER OF CALIFORNIA TRANSPORTATION | | | SCAC3 |
| 1196 | LCAT | LOGAN COUNTY ASPHALT CO | | | SCAC4 |
| 1197 | LCAV | L C EXPRESS LLC | | | SCAC4 |
| 1198 | LCAX | Lafarge Calcium Aluminates, Inc. | 7/2005 (not listed) | | NAKINA |
| 1199 | LCAX | *LAKE CITY ARMY AMMUNITION PLANT | | | PWRC |
| 1200 | LCAX | +LAFARGE CALCIUM ALUMINATES, INC. | | | PWRC |
