| 1 | JOS | DHL de Guatemala, S.A. | IATA: L3, IATA Prefix: 947, IATA designator changed from Z8* | GCA | AVCODES |
| 2 | JOS | DHL de Guatemala, S.A. | IATA: Z8, IATA designator changed to L3* | GCA | AVCODES |
| 3 | JOS | DHL de Guatemala | IATA: L3 | | ICAO1 |
| 4 | JOSC | JOHN O'S FOODS INC | | | SCAC4 |
| 5 | JOSE | Josera GmbH & Co KG | | D | TRAFFIC |
| 6 | JOSE | Josera GmbH & Co KG | | DE | VKM |
| 7 | JOSH | JAGUAR ONE SHIPPING S A | | | SCAC4 |
| 8 | JOSHIN | Joshin Electric Railway | | J | TRAFFIC |
| 9 | JOSI | JOSLIN TRUCKING INC | | | SCAC4 |
| 10 | JOSM | JEWELS OF SIAM | | | SCAC4 |
| 11 | JOSP | JOY OCEAN SHIPPING LIMITED | | | SCAC4 |
| 12 | JOSV | JAS OCEAN SERVICES INC | | | SCAC4 |
| 13 | JOSW | JOSULETE WINES INC | | | SCAC4 |
| 14 | JOSX | Rail Connection, Inc. | 7/2005 (not listed) | | NAKINA |
| 15 | JOSX | RAIL CONNECTION, INC. | | | PWRC |
| 16 | JOSX | David J. Joseph Transportation | | | RSRV |
| 17 | JOSX | RAIL CONNECTION INC | | | SCAC4 |
| 18 | JOSX | Rail Connection, Inc. | | USA | TRAFFIC |
