- Bradford Ornithological Group
- Butterfly Conservation Society (Yorkshire Branch)
- Cleveland Naturalists' Field Club
- Craven Conservation Group
- Dinosaur Coast
- Filey Brigg Ornithological Group
- Harrogate and District Naturalists' Society
- North Yorkshire Bat Group
- PLACE Research Centre - College of Ripon & York St John
- RSPB East Yorkshire Group
- RSPB Craven and Pendle Group
- RSPB Leeds Group
- RSPB York Group
- Ryedale Natural History Society
- St Nicholas Fields Local Nature Reserve, York
- Scarborough Field Naturalists' Society
- Shelley Conservation Group
- Sheffield Wildlife Trust
- Skelton Grange Environment Centre
- Sorby Natural History Society
- South Yorkshire Badger Group
- Thorne & Hatfield Moors Conservation Forum
- Wharfedale Naturalists Society
- Wild West Yorkshire
- York Ornithological Club
- Yorkshire Beekeeping Association
- Yorkshire Butterfly Conservation
- Yorkshire Mammal Group
- Yorkshire Naturalist Union
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