| Rank | Tour Operator | Specialty | Reader Review Highlight |
|---|
| 1 | Intrepid Travel | Sustainable, small-group adventures worldwide | "Incredible local guides and a focus on responsible travel." |
| 2 | G Adventures | Adventure travel for young adults and budget travelers | "Affordable, fun, and a great way to meet new people." |
| 3 | Abercrombie & Kent | Luxury travel, private tours, and tailor-made itineraries | "Unparalleled service and attention to detail." |
| 4 | Tauck | River cruises, land tours, and family travel | "Exceptional itineraries and knowledgeable tour directors." |
| 5 | Butterfield & Robinson | Luxury biking and walking tours worldwide | "Impeccably planned routes and top-notch equipment." |
| 6 | National Geographic Expeditions | Educational travel, photography tours, and unique experiences | "Incredible access and insights into local cultures." |
| 7 | REI Adventures | Active adventures, hiking, camping, and outdoor experiences | "Expert guides and a commitment to safety." |
| 8 | Trafalgar | Guided tours in Europe, North America, and Australia | "Well-organized tours and comfortable accommodations." |
| 9 | Contiki | Tours designed for 18-35 year olds | "A social and exciting way to see the world." |
| 10 | Globus | Escorted tours and river cruises worldwide | "Value for money and a wide range of destinations." |
| 11 | Overseas Adventure Travel (O.A.T.) | Small-group adventures for mature travelers | "Authentic experiences and a focus on learning." |
| 12 | Viking River Cruises | River cruises in Europe, Asia, and Egypt | "Elegant ships and enriching onboard experiences." |
| 13 | Audley Travel | Tailor-made travel to exotic destinations | "Personalized service and unique itineraries." |
| 14 | Classic Journeys | Walking and cultural tours | "Slow-paced travel and immersion in local cultures." |
| 15 | Zegrahm Expeditions | Expedition cruises to remote and unique destinations | "Unforgettable adventures and expert-led expeditions." |
