| 1 | LAB | L.A.B. Flying Service, Inc. | IATA: JF, Callsign: LAB, IATA Prefix: 510, Founded in 1956. Ceased operations in 2008. Designator JF reinstated by IATA | USA | AVCODES |
| 2 | LAB | L.A.B. Flying Service | IATA: JF | | ICAO1 |
| 3 | LAB | Lloyd Aereo Boliviano | Real: LLB | BOL | TRAFFIC |
| 4 | LAB | LAFARGE AGREGATE BETOANE SA | | RO | VKM |
| 5 | LABA | LABATTE FARMS | | | SCAC4 |
| 6 | LABATT | Labatt Brewery | | USA | TRAFFIC |
| 7 | LABB | LABOUBE W A INC | | | SCAC3 |
| 8 | LABC | LABONTE, CATHE | | | SCAC4 |
| 9 | LABD | LABONTE TRANSIT INC | | | SCAC4 |
| 10 | LABE | LABERGE & FILS LTEE (TRANSPORT DIV) | | | SCAC3 |
| 11 | LABE | LABRADOR EXPRESS LLC | | | SCAC4 |
| 12 | LABG | LABELLE STORAGE & MOVING CO | | | SCAC3 |
| 13 | LABG | LANDIS, D L INC | | | SCAC4 |
| 14 | LABH | LABRANCHE, RUDOLPH INC | | | SCAC3 |
| 15 | LABH | LATTO, ART WILDERNESS CABINS | | | SCAC4 |
| 16 | LABI | LE BRANE CARTAGE CO INC | | | SCAC3 |
| 17 | LABJ | LA BAGH, GEORGE A INC | | | SCAC3 |
| 18 | LABM | LABUMBARD, ERNEST | | | SCAC3 |
| 19 | LABN | LAWRENCE BURNS | | | SCAC3 |
| 20 | LABO | LA BELLE TRF & STG CO | | | SCAC3 |
| 21 | LABO | LASHLEY LUMBER INC | | | SCAC4 |
| 22 | LABP | LA BUDA TRUCKING INC | | | SCAC3 |
| 23 | LABR | LAMBERT TRANSFER CO (A MINNESOTA CO | | | SCAC3 |
| 24 | LABR | LAMBERT TRANSFER CO (A MINNESOTA CO | | | SCAC4 |
| 25 | LABS | LA BARGE TRUCKING CO INC | | | SCAC3 |
| 26 | LABU | LAGERMAX AUTOTRANSPORT GMBH | | A | BIC |
| 27 | LABV | LABORATORY ANIMAL BREEDERS & SERVIC | | | SCAC3 |
| 28 | LABV | LAKESIDE HAULING INC | | | SCAC4 |
| 29 | LABW | LAWS BONDED WAREHOUSE OF JACKSONVIL | | | SCAC3 |
| 30 | LABW | LAKE CITY LOGISTICS | | | SCAC4 |
| 31 | LABX | LABRADOR IRON MINES LIMITED | | | SCAC4 |
| 32 | LABY | LAMESA BUTANE COMPANY | | | SCAC4 |
