Waipoua Forest Trust
- Volunteer working holidays restoring native New Zealand Kauri forest and protecting endangered kiwi. Includes requirements and project information.
- http://www.waipoua.org.nz/

Realise New Zealand
- Hands-on tours of New Zealand focussing on wildlife, people, heritage and scenery of New Zealand, away from the tourist trails where possible.
- http://www.realisenz.co.nz

Alpinism and Ski
- Company based in Wanaka, offering trips in the national parks of Mount Aspiring, Mount Cook and Westland.
- http://www.alpinismski.co.nz

Eco Tour and Guiding Services New Zealand
- Travel company offering various tours focusing on fauna, flora, landscapes and peoples.
- http://www.ecotouring.co.nz

Canterbury Trails
- Tour operator for small groups around Christchurch and other parts of South Island.
- http://www.canterburytrails.co.nz

Odysseys New Zealand
- Guided special interest tours with environmental themes, covering the upper North Island.
- http://www.odysseys.co.nz/

Nature Quest New Zealand
- Birding, botanical and nature tours, custom-designed for small groups or study programmes.
- http://www.naturequest.co.nz

Kiwi Wildlife Tours
- Specialise in small group natural history and birding tours.
- http://www.kiwi-wildlife.co.nz/

Abel Tasman Tours & Guided Walks
- Personal tours and guided walks in the Abel Tasman National Park and Kahurangi National Park. Self-contained tourist accommodation near Motueka.
- http://www.abeltasmantours.co.nz

Kaikoura Helicopters World of Whales
- Whale watching, scenic coastal flights, mountain top landings and heli-hiking in Kaikoura.
- http://www.kaikourahelicopters.co.nz

Gannet Beach Adventures
- Tractor and trailer tour along the beach to world's largest mainland gannet colony. Te Awanga, Hawke's Bay.
- http://www.gannets.com

Ecotours New Zealand
- Directory guide of ecotourism tour operators and holiday planning available nationwide for nature conservation travels.
- http://www.ecotours.co.nz

Kiwi Dundee Adventures
- Highlights personalised nature walks and ecotours of The Coromandel Peninsula.
- http://www.kiwidundee.co.nz/