- 3DEO
- Aberdeen Harbour
- Agri-Food & Biosciences Institute
- Agriculture and Horticulture Development Board
- Arup
- BGS
- Botanaeco
- Carl Zeiss Microscopy Ltd
- Centre for Ecology & Hydrology
- DAERA
- Environmental Agency
- Forestry and Land Scotland
- Forest Research Scotland
- Geological Survey NI (GSNI)
- Historic Environment Scotland
- Ireland Brownfield Network
- James Hutton Institute
- JNCC
- Marine Scotland
- National Trust
- National Trust NI
- Northern Ireland Environment Link (NIEL)
- NFU Scotland
- NI Water (NIW)
- Northern Ireland Environment Agency (NIEA)
- RSPB NI
- RSPB Scotland
- Scottish Water
- SEPA
- Syngenta
- The Crown Estate
- The Loughs Agency
- Ulster Farmers’ Union
- Ulster Wildlife