| Company | Phone Number |
| Amerithai World Travel | 1-800-778-1112 |
| Asia Travel | 1-800-484-1031 ext. 8474 |
| Bangkok Starlite Travel | 1-301-589-3802 |
| Diamond Star Tours | 1-213-913-3938 |
| Econo Travel | 1-800-255-1688 |
| Gateway Travel | 1-800-716-1610 |
| Hollywood Star Tours and Travel | 1-800-538-7827 |
| Kinnaree Travel | 1-800-486-2920 |
| Orchid Travel Service | 1-301-593-8400 |
| Pathra International | 1-212-953-7190 |
| Sky World Express Inter | 1-212-953-7190 |
| Ticket & Tours | 1-888-422-1141 |
| United Royal International | 1-800-353-4345 |
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