- Eco Explorer Thailand
Offering wildlife, nature and adventure tours all around Thailand. Some of the highlights include trekking, rafting, wild elephant, gibbon, langur, butterfly and bird watching.
- Andaman Sea Kayak
Provides sea kayaking tours in Phuket with an environment friendly experience.
- Asian Adventure Travel and Tours
Offers sea canoeing, diving, golf vacation, fishing and hotel reservation in Phuket, Kaolak and Phi Phi Island.
- Bike & Travel
Offers mountain biking and road cycling tours in Thailand.
Offers elephant riding, rafting, and trekking in Chiang Mai and the northern region.
- Explore Thailand
Offers trekking, camping and backpacking nature tours in Southern Thailand.
- iExplore - Thailand
Offers adventure travel guide, trekking, sea kayaking and culinary trips.
- John Gray's Sea Canoe
Offers to combining kayaking, nature, culture, great food and re-creation.
- Lisu Lodge Adventures
Offers cultural and adventure tours such as rafting, trekking, and elephant rides. Also provides accommodations in a hilltribe village.
- New Frontier Adventure
Offers small group adventure holidays and customized cultural expeditions.
- North by North-East Tours
Offers adventure travel and eco tours in Thailand, Laos, Vietnam, Cambodia and Myanmar.
- NorthernTrails Biking Adventures
Offers biking tours in Chiang-Mai area and Angkor Wat, Cambodia.
- Paddle Asia
Adventurous travelers have a chance to explore Phang Nga Bay, Trang, Tarutao, and Khao Sok by traditional kayaks, not sit-on-tops or inflatable boats. Kayak school and rentals programs available.
- Pa-te tour
Offers biking, trekking on the trail of the sakai, camping in the jungle, kayaking, and snorkeling in Satun.
- Sea Canoe Thailand
Offers tropical eco-tourism and adventure tours with sit-on-top sea kayaks in Southern Thailand.
- Smiling Albino
Offer excursions through Thailand based on fun and personal adventure. Adventures from one-day jaunts in Bangkok and area to multi-day, up and down country trips.
- Thailand Birding
Offers small group birding tours to remote and unspoiled destinations in Thailand. Provides Thailand's birds information and image galleries.
- Thailand Your Way
Offers custom tours from an experienced native Thai who is fluent in English.
Offers adventure and eco tours to natural, historical, and marine parks in Thailand. Also travel guide to national parks in the country.
- Trek Thailand
Hiking, trekking, camping, climbing travel trips. National parks of Thailand information. Tour information and maps included.
- Trekker Tours
Offers trekking tours, elephant rides, and excursion to Chiang Rai, Huay Nam Dang, and Golden Triangle.
- Ultimate Asia
Customised adventure travel in south east asia, focusing on nature, culture and wildlife.
- Vieng Travel
Offers eco-tourism, adventure travel, trekking and special tours in Thailand.
- Wild Thailand
Offers rainforest ecotours, trekking, rafting, and kayaking tours in Thailand, Indochina, Myanmar, and China.
- Wild Watch Thailand
Offers eco tours, natural history and wilderness adventure treks in the jungles of Kanchanaburi.
Hiking and Trekking :-
- K-Trekking Tour
Offers adventure and trekking tours including cultural and motor trail biking in the Chiang-Mai area of Thailand.
- Forest Lover Group
Trekking, hiking in Thailand's richest Western forest, discovering exotic wild life, birds, butterfly, dragonfly and tropical herbs.
- KSS Wise
Trekking guide containing travel tips, maps, photo album, and a list of national parks in Thailand and Indochina. Also provides a local business directory.
- Rose Garden Tours
Mae Hong Son tour operators outdoor, village, and temple trips.
- Sarah Guest House
Accommodation for budget travelers. Also offers trekking tours throughout the Mae Taeng and Chiang Dao areas.
- Survival Partnership
Experiences the culture of the ethnic minority groups, elephant rides, and trekking in Thailand.
- Trekking Collective Co.
Customizes trekking and adventure tours to Northern Thailand, the Mekong river regions, Angkor Wat, and neighboring countries.