| 4.0 Tours | Subsidiary | Switzerland |
| 92y | Full | USA |
| a&o Hotels and Hostels Holding AG | Full | Germany |
| AASHA | Associate | Sri Lanka |
| Abacus Study Abroad | Buyer | Turkey |
| Abbey Court | Associate | Ireland |
| Abraham Hostels | Full | Israel |
| Academic Language Solutions | Subsidiary | USA |
| ACE Peru | Buyer | Peru |
| ACIS | Subsidiary | USA |
| Activity International | Full | Netherlands |
| Adventure Travel Trade Association | Association | USA |
| AEP - Centre of Coordination and Services | Full | Belgium |
| African Impact | Full | South Africa |
| AFS Intercultural Programs | Full | USA |
| Agora BCN | Full | Spain |
| AIFS Foundation/Academic Year in America | Subsidiary | USA |
| AIP Language Institute | Associate | Spain |
| Alcalingua Universidad de Alcala | Association | Spain |
| AlfA Travel A/S | Buyer | Denmark |
| All Out Africa | Associate | Swaziland |
| Alliance Abroad Group, Inc. | Elite | USA |
| Almatur (jsc) | Full | Poland |
| ALOTT | Full | Denmark |
| Alpadia Language Schools | Full | Switzerland |
| Alpadia Language Schools- Berlin | Subsidiary | Germany |
| Alpadia Language Schools- Freiburg | Subsidiary | Germany |
| Alpadia Language Schools- Lyon | Subsidiary | France |
| Alpadia Language Schools- Montreux | Subsidiary | France |
| ALT Experience Russia | Full | Russia |
| Ama Africa Experiences | Associate | South Africa |
| AmeriCamp | Subsidiary | UK |
| American Adventure | Buyer | Romania |
| American Experience | Buyer | Romania |
| American Institute for Foreign Study (Deutschland) | Subsidiary | Germany |
| American Institute for Foreign Study Inc (USA) | Subsidiary | USA |
| American Institute for Foreign Study Ltd (UK) | Elite | UK |
| American Tour Guide Association | Associate | USA |
| Amistat Beach Hostel | Associate | Spain |
| Amstel Botel | Associate | Netherlands |
| An Oige - Irish Youth Hostel Association | Full | Ireland |
| Anda Venice Hostel | Associate | Italy |
| Anyway Plus LLC | Buyer | Ukraine |
| April Eighth | Associate | USA |
| Argentina Cultural Exchange | Associate | Argentina |
| Aspect Foundation | Full | USA |
| ASSE International | Full | USA |
| ASTA Reisen Stuttgart GmbH | Full | Germany |
| Astor Hostels | Full | UK |
| Atlantic Point Backpackers | Associate | South Africa |
| Au Pair Global | Associate | Mexico |
| Au Pair in America | Subsidiary | USA |
| Au Pair International | Full | USA |
| Auckland Tourism, Events and Economic Development | NTB/OTO | New Zealand |
| AuPairWorld GmbH | Elite | Germany |
| Authentic Israel | Full | Israel |
| AVI International | Service | France |
| Aviatur SA | Full | Colombia |
| Backpackers Villa Sonnenhof | Full | Switzerland |
| Bamba Experience | Full | Mexico |
| Barcelona Pere Tarres Youth Hostel | Associate | Spain |
| Base Backpackers | Subsidiary | Australia |
| Bermuda Garden Hotel | Associate | Kenya |
| Bitemojo | Starter | Israel |
| BlueStripe | Accommodation | USA |
| Booking.com | Full | Netherlands |
| Brigham Young University International Study Programs | Buyer | USA |
| Britannia Student Services Ltd | Full | UK |
| British American Institute | Buyer | Spain |
| British Educational Travel Association | Association | UK |
| Buffalo Tours | Subsidiary | UK |
| BUNAC | Full | UK |
| Bus2alps AG | Full | Switzerland |
| Camp America | Subsidiary | UK |
| Camp Cambodia | Subsidiary | Cambodia |
| Camp Counselors USA, Inc. | Full | USA |
| Camp Thailand | Subsidiary | Thailand |
| Camping Vliegenbos | Full | Netherlands |
| CAMPS International GmbH | Subsidiary | Germany |
| Campus Living Villages UK Ltd | Full | UK |
| Campus Perth | Full | Australia |
| Canadian Federation of Students-Services | Full | Canada |
| Career Internship Abroad | Buyer | Philippines |
| CareMed | Service | Germany |
| CATS HOSTELS | Full | Spain |
| Celtic English Academy | Associate | UK |
| Celtic Group Hostels | Full | Ireland |
| Center for International Career Development (CICD) | Full | USA |
| Central Internacional do Estudante | Full | Brazil |
| Centre for American Exchange Programs (CAEP) | Buyer | Moldova |
| CheapSleep Helsinki | Associate | Finland |
| Chile Inside | Full | Chile |
| China Service Center for Educational Exchange | Full | China |
| CityHub | Associate | Netherlands |
| Cleversteam | Subsidiary | UK |
| Clink Hostels | Full | UK |
| Cloudbeds | Service | USA |
| Clubclass Malta Ltd | Full | Malta |
| CMS Hospitality | Elite | UK |
| CND Management Solutions (Vacante Speciale) | Buyer | Romania |
| Colourful Ecuador Travels | Associate | Ecuador |
| Combo | Full | Italy |
| Compass Benefits Group | Subsidiary | USA |
| Conservation Volunteers Australia & New Zealand | Full | Australia |
| Contiki Tours International Limited | Full | UK |
| Council on International Educational Exchange | Elite | USA |
| Council on Standards for International Educational Travel | Association | USA |
| CPH Downtown | Subsidiary | Denmark |
| Cultural Exchange Network (CENET) | Full | USA |
| Cultural Homestay in Europe Ltd | Full | UK |
| Cultural Homestay International - CHI | Full | USA |
| Culture Trip | Full | UK |
| Dargui Intercambios Culturales | Buyer | Peru |
| Delphi Outdoor Limited | Associate | Ireland |
| Destination DC | NTB/OTO | USA |
| Destination NSW | NTB/OTO | Australia |
| Divan International | Buyer | Jordan |
| Dorms.com | Full | Ireland |
| DR-WALTER Insurance Brokers | Elite | Germany |
| Dragon Expeditions | Associate | China |
| Dream Hostels | Full | Ukraine |
| Dynamic Global Exchange | Starter | USA |
| Eatwith | Associate | France |
| EBI Consulting | Service | Canada |
| EDU Africa | Full | South Africa |
| Educational Travel Center Company Limited | Full | Thailand |
| Educom Overseas | Buyer | Lebanon |
| EF Education First | Full | Switzerland |
| EF International Language Campuses | Subsidiary | Switzerland |
| EF Language Travel | Subsidiary | Switzerland |
| Effective Linguistique | Buyer | France |
| Egyptian Student Travel Services | Full | Egypt |
| El Viajero | Full | Colombia |
| Else Globe | Associate | Netherlands |
| Emirates Airline | Elite | UAE |
| Erasmus Student Network | NTB/OTO | Belgium |
| ESA Peru (Global Perspectives, Intercambios Educativo - Culturales SAC) | Buyer | Peru |
| Espirito Santo Viagens | Full | Portugal |
| Ethic Etapes | Full | France |
| Eurail.com B.V. | Full | Netherlands |
| Euro Hostels | Full | UK |
| Europe's Famous Hostels | Association | UK |
| Euroventure Travel Ltd | Buyer | UK |
| Excelente Career and Education Center | Buyer | Russia |
| Experiment e.V. | Full | Germany |
| Experimento de Convivencia Internacional do Brasil/Viatrix Viagens e Turismo Ltda | Full | Brazil |
| Experio Life Ltd | Associate | UK |
| Explorars FZ LLC | Full | UAE |
| Fabrika Hostel & Suites | Associate | Georgia |
| Failte Ireland | NTB/OTO | Ireland |
| Federation of the Experiment in International Living | NTB/OTO | USA |
| FIAP "Jean Monnet" | Full | France |
| Finntourist/Koulumatkailutotoimisto Oy | Associate | Finland |
| First Place Inc. | Associate | Philippines |
| Flashpacker Inc | Associate | Philippines |
| Flotsam and Jetsam Hostel | Starter | Philippines |
| Freehand | Full | USA |
| Freepackers | Buyer | Spain |
| Frontier | Full | UK |
| Fundacio Universitat Autonoma de Barcelona | Full | Spain |
| G Adventures | Full | Canada |
| Gap 360 Ltd | Full | UK |
| GEC - Global Educational Concepts Inc | Full | USA |
| Generator Hostels Ltd | Full | UK |
| GEO International | Buyer | Italy |
| GeoVisions | Subsidiary | USA |
| GET Educational Tours Pty Ltd | Full | Australia |
| GLOBAL HORIZONS USA | Full | USA |
| Global Project Agency | Buyer | Serbia |
| Global TESOL College | Full | Canada |
| Global Vision International | Full | UK |
| Global Vision International (US Office) | Subsidiary | USA |
| Global Youth and Student Community | Full | France |
| Go Discover Abroad | Subsidiary | India |
| GoEco | Buyer | Israel |
| Gold Coast Tourism | NTB/OTO | Australia |
| Good Hope Volunteers | Full | Austria |
| GoPlay Sports Tours | Subsidiary | USA |
| Grand International | Buyer | Turkey |
| Greenheart International | Full | USA |
| Greenway China | Subsidiary | China |
| GROUND Asia | Associate | Thailand |
| GTS Alive s.r.o. | Full | Czech Republic |
| Hans Brinker Hostel | Full | Netherlands |
| HEROLE Reisen GmbH | Full | Germany |
| HI USA | Elite | USA |
| High Sierra Pools, Inc. | Full | USA |
| Hispania, escuela de espanol | Associate | Spain |
| HLP Travel Solutions | Service | South Africa |
| Hong Kong Student Travel Ltd | Full | Hong Kong |
| Hostel G | Subsidiary | Australia |
| Hostelling International | Full | UK |
| Hostelling International - Canada | Full | Canada |
| Hostelling Scotland | Full | UK |
| Hostelpass | Buyer | USA |
| HVS | Service | UK |
| i-to-i TEFL | Subsidiary | UK |
| ICEF | Service | Germany |
| IECenter, International Experience Center | Buyer | Poland |
| IEP Australia | Subsidiary | Australia |
| IEP New Zealand | Subsidiary | New Zealand |
| iHappy Education | Buyer | Thailand |
| ILDI Voyages Ltd. | Full | Russia |
| Indian Network for Development Exchange (IDEX) | Full | India |
| Infinity Abroad | Buyer | Malaysia |
| Inflexyon - French Intercultural Center of Lyon | Full | France |
| Information Planet | Starter | Belgium |
| Ingle International Inc. | Service | Canada |
| Institute of International Cultural Exchange | Associate | Jordan |
| INTEJ | Full | Peru |
| Intercultura de Centro America | Associate | Costa Rica |
| InterExchange | Full | USA |
| International Career Studies (CareerQuest Inc.) | Associate | Canada |
| International Council of Tourism Partners | Association | USA |
| International Education Exchange | Buyer | Taiwan |
| International Exchange Of North America (IENA) | Full | USA |
| International Experience | Associate | Italy |
| International Experience Canada / IRCC | NTB/OTO | Canada |
| International Language School of the YMCA of Quebec | Associate | Canada |
| International Nightlife Association | Association | Spain |
| International Recruitment Exchange Services, Inc. | Full | USA |
| International Social Tourism Organisation | Association | Belgium |
| International TEFL Academy | Full | USA |
| International Trainee Network, LLC | Associate | USA |
| Internsplus | Associate | Ireland |
| Interrailingpackages Ltd | Full | UK |
| InterStudies Ltd | Associate | UK |
| InterSTUDY Center | Associate | Russia |
| Intrax Cultural Exchange | Full | USA |
| Intrepid Travel | Full | Australia |
| Invasion Corp Ltd. | Full | UK |
| ISC-United | Buyer | Russia |
| ISIC South Africa (Pty) Ltd | Full | South Africa |
| ISIC.LV | Full | Latvia |
| Issta Lines Ltd. | Full | Israel |
| ISX Canada/ISX World LLC | Full | Canada |
| Italy on a Budget tours | Associate | Italy |
| J1 SIMcards | Elite | USA |
| Jacqmain bvba | Accommodation | Belgium |
| Jakera | Associate | Ireland |
| Janus International Hospitality Student Exchange | Full | USA |
| JO&JOE | Full | France |
| Journeys are Made @ Gapyear.com | Subsidiary | UK |
| JOYST Youth Exchange International Intl. | Associate | Jamaica |
| Juventud Y Cultura | Full | Spain |
| Kang Wen Culture & Education Foundation | Full | Taiwan |
| Karavan Travel | Buyer | Serbia |
| Kazakhstan Council for Educational Travel (KCET) | Buyer | Kazakhstan |
| Kennedy Mears Consultants Ltd. | Associate | UK |
| KEY Educational Travel Ltd | Associate | UK |
| KILROY | Full | Denmark |
| KISES | Full | South Korea |
| Klemmer International Versicherungsmakler GmbH | Service | Germany |
| KLM Safaris Co. Ltd. | Starter | Tanzania |
| Kulturwerke Deutschland Sprachreisen GmbH | Starter | Germany |
| Language Study Centres | Subsidiary | UK |
| Latitude International Education Inc. | Associate | Canada |
| Legaroo.com | Service | USA |
| Les Auberges de Jeunesse | Full | Belgium |
| Let's Live USA | Buyer | Spain |
| Lithuanian World Center for Work Experience and Studies Abroad | Buyer | Lithuania |
| LIVE IT OUT SL | Associate | Spain |
| Livstudent | Subsidiary | Ireland |
| M3 - Sprachagentur | Associate | Germany |
| made | Service | UK |
| Madventurer | Associate | UK |
| Maestro Travel Ventures Private Limited | Associate | India |
| Magnifi Group, Inc. | Service | USA |
| Martin Peters Sprachentraining | Full | Germany |
| Medics Abroad | Associate | Ireland |
| MEININGER Hotels | Elite | Germany |
| Merit Travel Group | Elite | Canada |
| Messe Berlin GmbH | Service | Germany |
| Mews Systems | Service | Czech Republic |
| Mojosurf | Subsidiary | Australia |
| Moose Run Adventures | Associate | Canada |
| Motion Hostels | Associate | Spain |
| MSL Travel Sdn Bhd | Full | Malaysia |
| Mundo Joven Group | Full | Mexico |
| National Student Travel Foundation | Full | Malta |
| Navigate Travel | Starter | New Zealand |
| Netizen Hotel/Hostel | Full | Russia |
| Nomads World | Subsidiary | Australia |
| NorthWest Student Exchange trading as CICD | Subsidiary | USA |
| Nyon Hostel SA | Associate | Switzerland |
| ODTE | Full | Dominican Republic |
| Oesterreichisches Jugendherbergswerk | Full | Austria |
| Oficina de Turismo e Intercambio Cultural OFIT | Buyer | Dominican Republic |
| Once in Cape Town | Associate | South Africa |
| ONE80 Hostel Berlin | Full | Germany |
| One World | Buyer | Mongolia |
| Opportunity Programs | Buyer | Kazakhstan |
| Ostello Bello | Associate | Italy |
| Oxford Royale Academy | Full | UK |
| Oyster Worldwide Ltd | Full | UK |
| Ozman International | Buyer | Turkey |
| Pace | Service Provider | UK |
| Pasantias Argentinas | Associate | Argentina |
| PractiGo GmbH | Associate | Germany |
| Praktikawelten | Full | Germany |
| Project 10-15 | Associate | USA |
| Projects Abroad | Full | UK |
| Red Rocks Rwanda | Starter | Rwanda |
| Reisedienst Deutscher Studentenschaften GmbH | Subsidiary | Germany |
| Reisenetz- German Association for youth travel | NTB/OTO | Germany |
| Relation Insurance Services | Service | USA |
| Riviera English School | Associate | UK |
| Roma Scout Center | Associate | Italy |
| RT Tax | Associate | USA |
| ruf Jugendreisen | Full | Germany |
| Rustic Pathways | Full | USA |
| Rustic Pathways Gap Year | Subsidiary | USA |
| Rustic Pathways Groups | Subsidiary | USA |
| Saffron Travel | Buyer | Ireland |
| SANDEMANs New Europe | Full | Germany |
| SAYTC - South African Youth Travel Confederation | Association | South Africa |
| Scanbalt Experience | Starter | Estonia |
| Schulz Hotels (KGR Beteiligungsmanagement GmbH) | Starter | Germany |
| Secret Paradise Maldives | Associate | Maldives |
| Secutive, LLC | Elite | USA |
| Selina | Full | Panama |
| SEN Travel | Full | Taiwan |
| Sentio, Inc | Subsidiary | USA |
| Shakthi Eurasia Exchange (PVT) Ltd. | Associate | Sri Lanka |
| SHE Herencia SL | Full | Spain |
| Sichuan Overseas Affairs & Exit-Entry Service Center | Full | China |
| Sichuan YZS Education Administration Co., Ltd | Full | China |
| Sindbad Travel International | Full | Russia |
| Small World Journeys | Associate | Australia |
| Smaller Earth | Elite | UK |
| SMART HOST SPAIN, S.A.U. | Starter | Spain |
| Smart Hostels | Full | UK |
| SnapShot Deutschland GmbH | Service | Germany |
| SOO Media BV | Associate | Netherlands |
| South America Inside | Subsidiary | Chile |
| Speedwing | Full | Singapore |
| Sprachcaffe - Languages Plus | Full | Malta |
| Sprachdirekt | Full | Germany |
| Sputnik ISIC Ltd | Full | Russia |
| St Christopher's Inns | Full | UK |
| STA Ljubljana | Full | Slovenia |
| STA New Zealand | Subsidiary | New Zealand |
| STA Travel Australia | Subsidiary | Australia |
| STA Travel Central Europe | Subsidiary | Germany |
| STA Travel Group (Global) | Elite | UK |
| STA Travel Japan | Subsidiary | Japan |
| STA Travel Singapore | Subsidiary | Singapore |
| STA Travel South Africa | Subsidiary | South Africa |
| STA Travel UK | Subsidiary | UK |
| STA Travel USA | Subsidiary | USA |
| STAR Travel | Full | Russia |
| Stayokay | Full | Netherlands |
| STB Student Travel Bureau | Full | Brazil |
| Steep International Ltd. | Associate | Jamaica |
| Stepin | Full | Germany |
| STIC Travels | Full | India |
| Stichting WOW Amsterdam | Associate | Netherlands |
| STR | Service | USA |
| Stromma Netherlands | Full | Netherlands |
| STS Au Pair Sweden | Subsidiary | Sweden |
| STS Education | Elite | Sweden |
| Student & Youth Travel Association | Association | USA |
| Student Travel Romania | Buyer | Romania |
| StudentCity | Buyer | USA |
| Students Experience | Buyer | Romania |
| Students Partners SAC | Buyer | Peru |
| StudentUniverse | Elite | USA |
| Study Buddy Educational Tours | Associate | Canada |
| StudyTravel BV | Full | Netherlands |
| StudyZONE International | Buyer | Turkey |
| Success International | Buyer | Turkey |
Summer Institute for the Gifted (SIG)
| Subsidiary | USA |
| Sunnysky International Cultural Exchange Co.Ltd | Full | China |
| SWAP Working Holidays | Subsidiary | Canada |
| Sweet Chariot | Associate | UK |
| Swiss Youth Hostel Association | Full | Switzerland |
| SYTO Ghana | Associate | Ghana |
| Tandek Exchange your mind | Buyer | Albania |
| Taplanes Ltd. | Service | UK |
| taxback.com (USA) | Associate | Ireland |
| Temps d'Oci Incoming | Full | Spain |
| Tenerife Job Training | Starter | Spain |
| The Air Travel Group | Associate | USA |
| The Ardmore Group | Associate | UK |
| The Dragon Trip PTE LTD | Full | UK |
| The English Studio Ltd | Full | UK |
| The Forum on Education Abroad | Association | USA |
| The Green Lion | Elite | Thailand |
| The Learning Adventure | Subsidiary | UK |
| The Mzansi Experience | Associate | South Africa |
| The Student Hotel / City Living | Full | Netherlands |
| The Training Partnership Ltd | Full | UK |
| Timetravels Ltd | Full | Finland |
| Tiritose | Associate | Zimbabwe |
| Top Deck Tours Limited | Subsidiary | UK |
| Tourism Adventure Group | Full | Australia |
| Tourism Australia | NTB/OTO | Australia |
| Tourism Holdings Limited / Kiwi Experience | Full | New Zealand |
| TourRadar GmbH | Full | Austria |
| Travel Active | Full | Netherlands |
| Travel CUTS USA | Subsidiary | USA |
| Travel Inventive BV | Full | Netherlands |
| Travel Work | Buyer | Spain |
| Travelingua | Buyer | Spain |
| Travello App | Service | Australia |
| TravelWorks | Full | Russia |
| TrekAmerica | Full | UK |
| TruTravels | Full | UK |
| Tsinghua UNIS Education Institution (Merria Youth Culture Exchange) | Full | China |
| U.S.E Universal Student Exchange | Full | Peru |
| UAB Campus:Accommodation, Sports Facilities, Catering Services, Camps & Cultural Programs | Subsidiary | Spain |
| UAB Escola Universitaria de Turisme i Direccio Hotelera | Subsidiary | Spain |
| UAB Idiomes Barcelona | Subsidiary | Spain |
| UAB Study Abroad | Subsidiary | Spain |
| Ultimate Travel | Associate | Australia |
| United Studies | Associate | USA |
| United Towers | Buyer | Turkey |
| United Work and Travel, A division of APEI | Full | USA |
| Unitrips | Associate | Spain |
| University Co-op Tourism | Full | Japan |
| University of Bath | Full | UK |
| University of Kent | Full | UK |
| Urban Adventures | Subsidiary | Australia |
| Urban Student Life Ltd | Full | UK |
| USIT Ireland | Full | Ireland |
| USTravel SRL | Buyer | Romania |
| UTP Beyond Borders | Buyer | Philippines |
| Vagaband Limited | Starter | UK |
| Valeo Management Limited | Full | UK |
| Vanguard Ed | Starter | Kenya |
| Via Hostels | Full | UK |
| Village Camps | Full | Switzerland |
| Vision International Philippines | Associate | Philippines |
| Visitoz | Associate | Australia |
| Volunteer Forever | Elite | USA |
| Volunteering India | Subsidiary | India |
| Volunteering Journeys | Associate | UK |
| Volunteering Solutions | Full | India |
| Voyages Objectif Terre Inc. | Associate | Canada |
| Walrus Inns Ltd | Associate | UK |
| Wanderlust Exchange | Associate | China |
| Warwick Conferences | Full | UK |
| WAT Montenegro | Buyer | Montenegro |
| Watcep, LLC | Starter | USA |
| Wayfarer Myanmar Travel & Tours | Associate | Myanmar |
| Welcome To Travel | Starter | Australia |
| WEP International | Full | Belgium |
| WESTEDU International Education Consultancy | Full | Turkey |
| WestLine International Education Services | Buyer | Turkey |
| What Marketing Company | Subsidiary | UK |
| WISE Foundation | Elite | USA |
| wombat's CITY HOSTELS | Associate | Austria |
| Work & Travel Company Australia | Full | Australia |
| Work Abroad Team | Subsidiary | Russia |
| Work and Travel Club | Buyer | Romania |
| World Study Brazil | Full | Brazil |
| World Wide Cultural Exchange, Inc. | Full | USA |
| WorldNomads.com Pty Ltd | Elite | Australia |
| WTSA Volunteering (WorkTravelSA) | Full | South Africa |
| Y.S.J. Travel Service | Buyer | China |
| YHA Australia | Full | Australia |
| Youth Discovery Programmes | Full | South Africa |
| Youth Hostels Association - England and Wales Ltd (YHA) | Full | UK |
| Youth Hostels Association - New Zealand (YHA) | Full | New Zealand |
| Zip Travel International | Full | Philippines |
