- Saint Mary's University [Halifax]
- Santa Catarina Agricultural Research and Extension Agency Experimental
- Santa Catarina State University
- Savanna Institute
- School of agriculture
- Sciences Po Bordeaux - Institut d'études politiques de Bordeaux
- Scotland's Rural College
- Scottish Agricultural College
- Scuola universitaria professionale della Svizzera italiana = University of Applied Sciences and Arts of Southern Switzerland [Manno]
- Scuola Universitaria Superiore Sant'Anna = Sant'Anna School of Advanced Studies [Pisa]
- Secretariat of the Life Cycle Initiative [UNEP Paris]
- SIRS
- Skane University Hospital [Lund]
- Skolkovo Institute of Science and Technology [Moscow]
- SMART agribusiness and food [Jakarta]
- SNV Indonesia
- Société Africaine de Plantations d’Hévéas
- Société de Caoutchouc de Grand Béréby
- Société du Canal de Provence
- Soils and Crops Research and Development Centre
- Soil Science and Conservation Research Institute
- South Australian Research and Development Institute [Australia]
- South China Agricultural University
- Southern Horticultural Research Institute
- Southwest Minzu University [Chengdu]
- Station Biologique de la Tour du Valat
- Station de Recherche Appliquée Fruits et Légumes
- Sudvinbio
- Suleyman Demirel University
- SunR
- Sun’R SAS
- SUPMECA - Institut supérieur de mécanique de Paris
- Suzano S|A
- Swedish University of Agricultural Sciences = Sveriges lantbruksuniversitet
- Syngenta France