| 1 | LOU | Air Saint Louis | Callsign: Air Saint Louis, | SN | AVCODES |
| 2 | LOU | Air Saint Louis | | | ICAO1 |
| 3 | LOUA | LOUIS ALLIS | | | SCAC3 |
| 4 | LOUB | LOUSSIOS SHIPPING CO | | | SCAC4 |
| 5 | LOUC | LOUISVILLE CEMENT | | | PWRC |
| 6 | LOUC | LOUNSBURY, C C INC | | | SCAC3 |
| 7 | LOUE | LOU EXPRESS INC | | | SCAC3 |
| 8 | LOUG | LOUS CARTING INC | | | SCAC3 |
| 9 | LOUI | LOUIE'S CARTAGE | | | SCAC3 |
| 10 | LOUJ | LOUDER, JAMES INC | | | SCAC4 |
| 11 | LOUK | LOU'S TRUCKING | | | SCAC4 |
| 12 | LOUL | LOUDENBURG, LOREN L | | | SCAC3 |
| 13 | LOUL | LOU'S OIL SERIVE | | | SCAC4 |
| 14 | LOUM | LOUISIANA MIDLAND TRANSPORT COMPANY | | | SCAC3 |
| 15 | LOUM | LOU-MAC TRANSPORT INC | | | SCAC4 |
| 16 | LOUN | LOUDOUN TRUCKING | | | SCAC3 |
| 17 | LOUN | LOUNGE COLLECTION, THE | | | SCAC4 |
| 18 | LOUO | LOUISO TRUCKING INC | | | SCAC4 |
| 19 | LOUS | LOUNGECRAFT MOVING & STORAGE, CORP | | | SCAC3 |
| 20 | LOUS | LOUTOS MOTOR SERVICE INC | | | SCAC4 |
| 21 | LOUU | INTERNATIONAL SHIPPING CO. INC. | | USA | BIC |
| 22 | LOUU | International Shipping Co. | | | RSRV |
| 23 | LOUV | LOUVITO TRANSPORT LLC | | | SCAC4 |
