| 1 | LN | Jamahirya Libyan Arab Airlines | ICAO: LAA, Callsign: Libair, Name changed to Libyan Airlines | LAR | AVCODES |
| 2 | LN | Libyan Airlines | ICAO: LAA, Callsign: Libair, Name changed from Jamahirya Libyan Arab Airlines | LAR | AVCODES |
| 3 | LN | CSX Transportation, Inc. | added 7/1987; 1/1994-7/2005 | | NAKINA |
| 4 | LN | Seaboard System R.R., Inc. | added 1/1983; eliminated 7/1987 | | NAKINA |
| 5 | LN | Louisville & Nashville R.R. Co. | 1/1975-1/1980; eliminated 1/1983 | | NAKINA |
| 6 | LN | Louisville & Nashville R.R. Co. | 1/75-1/80; eliminated 1/83 | | NRHS |
| 7 | LN | Seaboard System R.R., Inc. | added 1/83; eliminated 7/87 | | NRHS |
| 8 | LN | CSX Transportation, Inc. | added 7/87; 1/94-7/2000 | | NRHS |
| 9 | LN | CSX [SEABOARD; LOUISVILLE & NASHVILLE RR] | | | PWRC |
| 10 | LN | Louisville and Nashville Railroad (CSX Transportation) | | | RSRV |
| 11 | LN | LOUISVILLE AND NASHVILLE RAILROAD C | | | SCAC4 |
| 12 | LN | Louisville and Nashville | | USA | TRAFFIC |
| 13 | LN | LeNord S.r.l. | | IT | VKM |
| 14 | LNA | LNAir Air Services, S.L. | Callsign: Elnair, | E | AVCODES |
| 15 | LNA | Lnair Air Services | | | ICAO1 |
| 16 | LNAA | LNAC ACQUISITION CORP | | | SCAC3 |
| 17 | LNAA | LIONS GATE TRANSPORT INC | | | SCAC4 |
| 18 | LNAB | LOUET NORTH AMERICA | | | SCAC4 |
| 19 | LNAC | Chattahoochee Bay Rd., Inc. | added 4/2007 | | NAKINA |
| 20 | LNAC | H&S R.R. Co. | 1/1994-7/2005; eliminated 4/2007 | | NAKINA |
| 21 | LNAC | Ferdinand & Huntingburg R.R. | added 4/1988 | | NAKINA |
| 22 | LNAC | Louisville, New Albany & Corydon R.R. Co. | 1/1975-1/1980; eliminated 4/1988 | | NAKINA |
| 23 | LNAC | Louisville, New Albany & Corydon R.R. Co. | 1/75-1/80; eliminated 4/88 | | NRHS |
| 24 | LNAC | Ferdinand & Huntingburg R.R. | added 4/88 | | NRHS |
| 25 | LNAC | H&S R.R. Co. | 1/94-7/2000 | | NRHS |
| 26 | LNAC | *LOUISVILLE, NEW ALBANY & CORYDON RAILROAD CO. | | | PWRC |
| 27 | LNAC | *FERDINAND & HUNTINGBURG RAILROAD | | | PWRC |
| 28 | LNAC | +CHATTAHOOCHIE BAY RR, INC. [H & S RAILROAD COMPANY, INC.] | | | PWRC |
| 29 | LNAC | Louisville, New Albany and Corydon Railroad | | | RSRV |
| 30 | LNAC | Louisville, New Albany & Corydon R.R. Co. | | USA | TRAFFIC |
| 31 | LNAD | LEONARD TRUCKING CO | | | SCAC3 |
| 32 | LNAE | LINARES TRANSPORT | | | SCAC4 |
| 33 | LNAF | L & A FORWARDING INC | | | SCAC3 |
| 34 | LNAG | L & A TRANSPORTATION INC | | | SCAC3 |
| 35 | LNAG | LNC 3000 USA INC | | | SCAC4 |
| 36 | LNAH | LANA SHIPPING CORPORATION | | | SCAC3 |
| 37 | LNAH | L S T SERVICES INC | | | SCAC4 |
| 38 | LNAJ | LANGRECK, ANTON J | | | SCAC3 |
| 39 | LNAK | LNA TRUCKING | | | SCAC3 |
| 40 | LNAL | Louisville, New Albany and Corydon R.R. | added 1/1989; 1/1994; eliminated 7/1995; added 1/1996; 7/2000; eliminated 4/2004; 7/2005 | | NAKINA |
| 41 | LNAL | Louisville, New Albany and Corydon R.R. | added 1/89; 1/94; eliminated 7/95; added 1/96; 7/2000 | | NRHS |
| 42 | LNAL | LOUISVILLE, NEW ALBANY & CORYDON RAILROAD CO. | | | PWRC |
| 43 | LNAL | Louisville, New Albany and Corydon Railroad | | | RSRV |
| 44 | LNAL | LOUISVILLE NEW ALBANY & CORYDON RAI | | | SCAC3 |
| 45 | LNAN | LINDA ANNS PICKUP & DELIVERY SERVIC | | | SCAC3 |
| 46 | LNAO | LOPEZ NAVARRO, ANGELINA | | | SCAC4 |
| 47 | LNAR | LIPPOLD&ARNETT, INC | | | SCAC3 |
| 48 | LNAS | LATIN AMERICAN STEAMSHIP ASSOCIATIO | | | SCAC3 |
| 49 | LNAS | LIEKENS & ASSOCIATES | | | SCAC4 |
| 50 | LNBC | L B CARTAGE INC | | | SCAC4 |
| 51 | LNBD | LALONDE, B & D TRUCKING & HAULAGE I | | | SCAC3 |
| 52 | LNBG | L & B BUSING INCORPORATED | | | SCAC3 |
| 53 | LNBI | L & B PRODUCTS CORP | | | SCAC3 |
| 54 | LNBK | L & B TRUCKING CORPORATION | | | SCAC3 |
| 55 | LNBK | LEAPS N BOUNDS TRUCKING | | | SCAC4 |
| 56 | LNBQ | L AND B COMET EXPRESS | | | SCAC3 |
| 57 | LNBR | LONG BROS INC | | | SCAC4 |
| 58 | LNBS | LEONARD, B S TRUCKING CO INC | | | SCAC3 |
| 59 | LNBS | LEONARD, B S TRUCKING CO INC | | | SCAC4 |
| 60 | LNBT | L AND B TRANSPORT COMPANY | | | SCAC3 |
| 61 | LNBU | LNG BHARAT PVT LTD | | IND | BIC |
| 62 | LNBV | LANDRETH BUS SERVICE | | | SCAC3 |
| 63 | LNC | Líneas Aéreas Nacionales de Navegación Dominicana, S.A (LAN Dominicana) | IATA: 4M, Callsign: Lancana, | DOM | AVCODES |
| 64 | LNC | LAN Dominica | | | ICAO1 |
| 65 | LNCA | LANCIA INC | | | SCAC3 |
| 66 | LNCA | LWM LANCASHIRE DISTRIBUTION | | | SCAC4 |
| 67 | LNCC | LANCO CARRIERS INC | | | SCAC3 |
| 68 | LNCD | LINDE CANADA INC | | | SCAC3 |
| 69 | LNCD | LORENZO NATIONAL CORPORATION | | | SCAC4 |
| 70 | LNCE | LANCE TRANSPORT INC | | | SCAC4 |
| 71 | LNCF | LEONARDI & C SPA | | | SCAC4 |
| 72 | LNCG | LINDSAYS CARTAGE & STORAGE (1973) L | | | SCAC3 |
| 73 | LNCG | LANCE SHIPPING S A | | | SCAC4 |
| 74 | LNCI | L & N CROP SPRAYING INC | | | SCAC3 |
| 75 | LNCK | LION TRUCKING INC | | | SCAC4 |
| 76 | LNCM | LINCOLN MOVING & STORAGE COMPANY IN | | | SCAC3 |
| 77 | LNCM | LINCOLN MOVING & STORAGE COMPANY IN | | | SCAC4 |
| 78 | LNCN | L I N C OF TENNESSEE INC | | | SCAC3 |
| 79 | LNCN | L I N C OF TENNESSEE INC | | | SCAC4 |
| 80 | LNCO | LINCO CORPORATION | | | SCAC3 |
| 81 | LNCO | LINCOLN OIL INC | | | SCAC4 |
| 82 | LNCP | LANCE TRUCKING COMPANY INC | | | SCAC3 |
| 83 | LNCP | LANCER CORP | | | SCAC4 |
| 84 | LNCQ | L AND C PIGGYBACK SERVICE | | | SCAC3 |
| 85 | LNCQ | LANGSTON COMPANIES INC | | | SCAC4 |
| 86 | LNCR | LION CORP | | | SCAC3 |
| 87 | LNCR | LION CORP | | | SCAC4 |
| 88 | LNCS | LANCASTER TRANSPORTATION L L C | | | SCAC4 |
| 89 | LNCT | LANCE INC | | | SCAC4 |
| 90 | LNCW | LINCOLN STORAGE WAREHOUSES | | | SCAC3 |
| 91 | LNCW | LIGHTHOUSE NAVIGATION CO LTD | | | SCAC4 |
| 92 | LND | Direct2 LLC | Callsign: Wild Lands, | USA | AVCODES |
| 93 | LND | Skargardsflyg AB | IATA: 5Q, Callsign: Aaland, Designator 5Q recalled by IATA | FIN | AVCODES |
| 94 | LND | Hawaii Landair | Callsign: Landair, | USA | AVCODES |
| 95 | LND | LAND TRANSPORT INC. | | | PWRC |
| 96 | LNDA | LANDA MOTOR LINES | | | SCAC3 |
| 97 | LNDB | LINDENBAUM TRUCKING | | | SCAC3 |
| 98 | LNDB | LUNDON DIST INC | | | SCAC4 |
| 99 | LNDC | LIND MOVING AND STORAGE COMPANY, IN | | | SCAC3 |
| 100 | LNDD | LAND AND RAIL TRANS INC | | | SCAC3 |
