- The Arboretum, University of Guelph arbor@uoguelph.ca, www.uoguelph.ca/arboretum
- Clean Water Coalition, Guelph Hugh Whiteley, (519) 824-9345, hwhitele@uoguelph.ca
- Community Environmental Leadership Programme (CELP), Guelph Katie Gad, katie.gad@ugdsb.on.ca
- Council of Canadians – Guelph Chapter Norah Chaloner, nrchaloner@hotmail.com, www.bbc.guelph.org/coc
- Elora Centre for Environmental Excellence (ECEE) Don Eaton, (519) 846-0841, info@ecee.on.ca, www.ecee.on.ca
- Elora-Cataract Trailway Association, Fergus Tom Skimson, (519) 846-5635, t.skimson@sympatico.ca, www.trailway.org
- Everdale Organic Farm and Environmental Learning Centre, Hillsburgh Lynn Bishop, (519) 855-4128, lynn@everdale.org, www.everdale.org
- Greenspaces for Wellington, Fergus Barrie Hopkins, (519) 843-4544, greenspaces@sympatico.ca, www.greenspaces.ca
- Guelph Civic League James Gordon, info@guelphcivicleague.ca, www.guelphcivicleague.ca
- Guelph Community Car Co-operative Inc. Michael Driscoll, (519) 763-8825, mike.driscoll@sympatico.ca
- Guelph Environment Network Gail McCormack, (519) 824-7022, www.bbc.guelph.org/gen, gen@bbc.guelph.org
- Guelph Field Naturalist Carol Koenig, (519) 824-6222, www.guelphfieldnaturalists.org
- Guelph Hiking Trail Club Dave Hull, (519) 821-9972, www.guelphhiking.com
- Guelph Horticultural Society Monica Skinner, (519) 821-1758, www.guelphhort.org
- Guelph International Resource Centre (GIRC) Bill Barret, (519) 822- 3110, www.girc.org
- Guelph and Wellington County Master Gardeners Ann Ironside, (519) 846-5764, ann.ironside@sympatico.ca, www.gwmastergardeners.ca
- Guelph Off Road Bike Association (GORBA) Brad Hull, (519) 824-3918, mtbcrazy@sympatico.ca, www.gorba.ca
- Guelph Residents Advocating Solar Power (GRASP) Mark Bailey, www.guelphsolar.ca
- Guelph Round Table on the Environment and Economy (GRTEE) Liz Snell, (519) 821-5710, esnell@sentex.ca
- Guelph Urban Forest Friends (GUFF) Norah Chaloner, nrchaloner@hotmail.com
- Hanlon Creek Rehabilitation, Guelph Dave Beaton, dbeaton@creditvalleycons.com
- Ignatius Ecological Farm Project, Guelph Fr. Jim Profit, (519) 824-1250 ext. 286, jprofit@jesuits.ca, www.ignatiusguelph.ca
- Laughing Toad Community Tree Nursery, Guelph Tara Treanor, (519) 824-9095, laughingtree@gmail.com, www.laughingtoad.ca
- Ontario Public Interest Research Group (OPIRG), Guelph Marnie Eves, (519) 824-2091, opirg@uoguelph.ca, opirgguelph.media-core.com
- Rotary Club of Guelph – Environmental Committee Jim Anderson, (519) 822-7733
- S.H.I.F.T. Sustainable, Healthy, Integrated Forms of Transportation Terry MacIntosh, (519) 766-2289
- Speed River Land Trust, Guelph Norman Ragetlie, (519) 836-3116, Norman.Ragetlie@mah.gov.on.ca
- Trees for Guelph Heiti Jaason, (519) 821-8223, hjaason@rogers.com, www.treesforguelph.ca
- Upper Grand District School Board, Environmental Committee Katie Gad, Katie.Gad@ugdsb.on.ca
- Waterloo-Wellington Wildflower Society Judy Brisson, (519) 824-9476, judybrisson@rogers.com, www.uoguelph.ca/~botcal
- Waterloo-Wellington Maple Syrup Producers, Cambridge Rom Dahmer, (519) 653-7881
- Waterloo-Wellington Woodlot Owners Association, Cambridge George Barrie, (519) 621-4283
- Wellington County Soil and Crop Producers Association Ken Musselman – (519) 846-9289
- Wellington County Stewardship Council Larry Halyk, (519) 826-4935, larry.halyk@mnr.gov.on.ca, www.ontariostewardship.org
- Wellington Water Watchers info@wellingtonwaterwatchers.ca, www.wellingtonwaterwatchers.ca
- Wellington Society for the Countryside, Fergus George Collin, (519) 787-1849, gd.collin@sympatico.ca