| 1 | LBR | Elbe Air Lufttransport GmbH | Callsign: Motion, | D | AVCODES |
| 2 | LBR | Air Borealis | Callsign: Northlight, | CDN | AVCODES |
| 3 | LBR | Elbe Air Transport | | | ICAO1 |
| 4 | LBR | Lowville & Beaver River R.R. Co. | added 10/2003; eliminated 4/2004; 7/2005 | | NAKINA |
| 5 | LBR | The Lowville and Beaver River R.R. Co. | 1/1975-7/2000 | | NAKINA |
| 6 | LBR | The Lowville and Beaver River R.R. Co. | 1/75-7/2000 | | NRHS |
| 7 | LBR | LOWVILLE & BEAVER RIVER RAILROAD CO. | | | PWRC |
| 8 | LBR | Lowville and Beaver River Railroad | | | RSRV |
| 9 | LBR | Länderbahnreisen | | DE | VKM |
| 10 | LBRA | LIBERAL TRANSPORTATION | | | SCAC3 |
| 11 | LBRA | LIBERAL TRANSPORTATION | | | SCAC4 |
| 12 | LBRB | LEEBER TRANSPORTATION INC | | | SCAC3 |
| 13 | LBRC | LANGE BROS CONSTRUCTION INC | | | SCAC3 |
| 14 | LBRD | LOMBARDI TRUCKING INC | | | SCAC3 |
| 15 | LBRD | LANDBRIDGE LOGISTICS LTD | | | SCAC4 |
| 16 | LBRI | LABATT BREWERIES OF CANADA LIMITED | | | SCAC3 |
| 17 | LBRI | LALIBERTY TRUCKING INC | | | SCAC4 |
| 18 | LBRJ | LIBERTY RECYCLING | | | SCAC4 |
| 19 | LBRK | L & B TRUCKING | | | SCAC4 |
| 20 | LBRL | LUBIN, RONALD | | | SCAC4 |
| 21 | LBRM | LIBERTY MOVERS INC | | | SCAC4 |
| 22 | LBRO | LINK BROS TRUCKING CO INC | | | SCAC3 |
| 23 | LBRO | LOBO EXPRESS | | | SCAC4 |
| 24 | LBRP | LIBERTY TRANSPORT | | | SCAC3 |
| 25 | LBRQ | LA BARGE MIRRORS INC | | | SCAC3 |
| 26 | LBRR | LIMON BROTHERS | | | SCAC4 |
| 27 | LBRS | LABRIE, SABLIERE | | | SCAC3 |
| 28 | LBRU | COMPANHIA DE NAVEGACAO LLOYD | | | SCAC3 |
| 29 | LBRU | COMPANHIA DE NAVEGACAO LLOYD | | | SCAC4 |
| 30 | LBRX | Lyle Branchflower Co. | 1/1950-1/1952; eliminated 4/1953 | | NAKINA |
| 31 | LBRX | Lyle Branchflower Co. | Jan-52 | | NRHS |
| 32 | LBRX | LYLE BRANCHFLOWER CO. | | | PWRC |
| 33 | LBRY | LIBERTY MOVING & STORAGE | | | SCAC3 |
| 34 | LBRY | LINDERS, BRYAN | | | SCAC4 |
