Konferenslokal Koln
- Adina Apartment Hotel Cologne
- Ameron Hotel Regent
- art'otel Cologne
- AZIMUT Hotel Cologne
- Best Western Hotel Köln
- Classic Hotel Harmonie
- Cologne Marriott Hotel
- DJH Jugendherberge Köln-Riehl
- Dom Hotel Am Roemerbrunnen
- DSHS - Gaestehaus
- Eden Hotel Frueh am Dom
- Excelsior Hotel Ernst Köln
- Hilton Köln
- Hopper Hotel St. Josef
- Hotel Allegro Köln
- Hotel Am Augustinerplatz
- Hotel An der Philharmonie
- Hotel Begardenhof
- Hotel Chelsea
- Hotel CityInn
- Hotel Coellner Hof
- Hotel Falderhof
- Hotel Im Wasserturm
- Hotel Imperial
- Hotel Lemp
- Hotel Matheisen Restaurant
- Hotel Mondial am Dom Cologne - MGallery Collection
- Hotel Triton
- Hotel und Gasthaus Papen Aenne
- Hotel-Pension Goethe
- Hyatt Regency Cologne
- KolnKongress GmbH
- Kolpinghaus Messehotel
- Leonardo Hotel Köln
- Leonardo Hotel Köln Bonn Airport
- Leonardo Royal Hotel Koeln - Am Stadtwald
- Lindner Hotel City Plaza
- Loewenbraeu Koeln Hotel & Restaurant
- Maternushaus
- Mauritius Hotel & Therme
- Mercure Hotel Koeln West
- Novotel Koeln City
- Pullman Cologne
- Radisson Blu Hotel, Cologne
- Regus - COLOGNE, Spaces Breite Strasse
- Residenz am Dom gGmbH Boardinghouse Apartments
- Savoy Hotel
- Stadthotel am Römerturm
- Steigenberger Hotel Koln
- Tagungs- und Gästehaus St. Georg
- The New Yorker Hotel
- THE PARK INN BY RADISSON COLOGNE CITY WEST HOTEL
- TRYP by Wyndham Köln City Centre
- Wasserturm Hotel Cologne by Hilton