- Amsterdam Hotel Service
 - Guarantees the lowest hotel rates in the city of Amsterdam and the rest of Holland. Besides hotel reservations we can arrange group travel and your excursions. - Up Hill Vakantiehuizen
- Offers tourist information about and holiday flats in the Czech Republic, Slovakia, and Poland. In Dutch.
- Astor Travel Services
- Specialising in fly-drives, airline tickets, incentives, and language travels.
- GayOz
- Offers gay and gay-friendly trips to Australia, New Zealand, and the Pacific.
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