Hawaiian Hiking Company
- Personalized hikes accommodating groups up to eight people. Company information, pictures, hike descriptions, and reservations.
- http://www.hawaiianhiking.com/

Maui Cave Adventures
- Hike underground in one of Maui's most exciting eco-adventure activities. Explore Maui's largest lava tube system, located in Hana Maui, with our professional guides.
- http://www.mauicave.com/

Maui Eco Adventures
- Pictures, reservation request, and itineraries for individual and group hikes and cultural demonstrations.
- http://www.ecomaui.com/

Guides of Maui
- Maui's only private tour guide service since 1987. Specializing in travel adventure near Hana, O'heo Gulch, Kipahulu, Haleakala, Makena, and Wailea.
- http://www.guidesofmaui.com/

Hiking Paradise: Maui, Hawaii
- Eco-tours of Maui's rain forests, waterfalls & mountains. Discover Hawaiian healing medicinal plants, tropical fruit & flowers, native trees & birds. Learn island culture, customs & legends.
- http://arrowheadadventures.com/paradise/

Hike Maui
- Guides weave geology, botany, ethnobotany and history into the fun of hiking.
- http://www.hikemaui.com/

Maui Hiking Safaris
- Hiking and eco tours for all experience levels. Full and half-day guided. Combination tours.
- http://www.mauihikingsafaris.com/