- Alpine Club of Canada - Manitoba Section
- Birdingpal
- Birds Canada
- Canada Trails guide to bicycling, mountain biking, hiking and cross-country skiing.
- Canadian Parks And Wilderness Society (CPAWS)
- Canadian Recreational Canoeing Association
- Prairie Nordic Ski Club - formerly the Charleswood Ski Club
- Delta Marsh Resource Management Presentation page
- Dereila Nature Inn - A Virtual Inn for Nature Lovers
- Earth Day Canada
- EXPLORE Magazine
- Federation of Ontario Naturalists
- Fort Whyte Alive
- Important Bird areas
- Manitoba Birds (Discussion group)
- The Friends of the Bluebirds the Manitoba Affiliate of the North American Bluebirds Society
- Manitoba Breeding Bird Atlas
- Manitoba Conservation Wildlife Branch
- Manitoba Cycling Association
- Manitoba Eco-Network
- Manitoba Model Forest
- Manitoba Museum
- Manitoba, Naturally
- Manitoba Orchid Society
- Manitoba Healthy Living Resource Clearinghouse
- Manitoba Pioneer Camp (MPC)
- Manitoba Species At Risk
- Mantario Plant Species List (by Charles Burchill)
- Mantario Summer Program
- Mountain Equipment Co-Op (MEC)
- MyPeg
- Nature Canada (formerly CNF)
- Nature Conservancy of Canada
- Nature Saskatchewan
- Nature in British Columbia
- Native Orchid Conservation Manitoba
- Nature North
- NestWatch
- Oak Hammock Marsh Interpretive Centre
- Paddle Canada
- Paddle Manitoba
- Plant Watch
- Prairie Pathfinders Walking Club
- Prairie Wildlife Rehabilitation Centre
- Purple Loosestrife Invasive Species Centre
- Red River Canoe & Paddle
- Silver Plains - replanting of a prairie acreage with native flora
- Speleological Society of Manitoba
- Taiga Biological Station
- Clarence Tillenius
- Trails Canada
- Travel Manitoba
- Wilderness Supply
- Wildlife Haven Rehabilitation Centre (formerly MWRO)
- WILDS of Manitoba
- Winnipeg Trails Association