| SPK Power Infra Private Limited | Katpadi, India | Visit site |
| SR SOLAR | Xiamen Shi, China | Visit site |
| SRD Réseaux Distribution | Poitiers, France | Visit site |
| SSEN Transmission | Perth, United Kingdom | Visit site |
| SSM Solar do Brasil | São José dos Pinhais, Brazil | Visit site |
| STANSOL ENERGY, S.L. | Vitoria-Gasteiz, Spain | Visit site |
| STE Energy | Padova, Italy | Visit site |
| STELLARIA 🌀 | Saint-Priest, France | Visit site |
| STMicroelectronics | Plan-les-Ouates, Switzerland | Visit site |
| STRIVE by STX | Amsterdam, Netherlands | Visit site |
| SUG New Energy Co.,Ltd | China | Visit site |
| SUITELEC | Spain | Visit site |
| SUMEC ENERGY HOLDINGS CO., LTD. | Nanjing Shi, China | Visit site |
| SUNAVI Systems | Mezőtúr, Hungary | Visit site |
| SUNEX | Cape Town, South Africa | Visit site |
| SUNMAX ENERGY SYSTEMSS PVT LTD | Puducherry, India | Visit site |
| SUNSTALKER ENERGY | Kocasinan, Türkiye | Visit site |
| SUNfarming | Erkner, Germany | Visit site |
| SVC Energy | Shenzhen Shi, China | Visit site |
| SVM Solar | Elche, Spain | Visit site |
| SWEB Development | Halifax, Canada | Visit site |
| SWS Power Solutions | Graz, Austria | Visit site |
| SYSE - METHANISATION | France | Visit site |
| Saavi Services | New Delhi, India | Visit site |
| Saeta Yield | Madrid, Spain | Visit site |
| Saft | Levallois-Perret, France | Visit site |
| Sako Solar | Shenzhen Shi, China | Visit site |
| Salon BEPOSITIVE | Lyon, France | Visit site |
| Saltfoss Energy | København, Denmark | Visit site |
| Samaiden Group | Petaling Jaya, Malaysia | Visit site |
| Samorka | Reykjavík, Iceland | Visit site |
| San Carlos BioPower Inc. | San Carlos City, Philippines | Visit site |
| Sanctum-Energy | Huddersfield, United Kingdom | Visit site |
| Sangreen Future Renewables Private Limited | Mulshi, India | Visit site |
| Sanhe Power Tech | Shenzhen Shi, China | Visit site |
| Sanko Holding | Bağcılar, Türkiye | Visit site |
| Sanko Power | Dongwan Shi, China | Visit site |
| Sapa | Andoain, Spain | Visit site |
| Sarper Enerji | Sarıyer, Türkiye | Visit site |
| Saskatchewan First Nations Natural Resource Centre of Excellence Inc. | Grasswood, Canada | Visit site |
| Sassin | Shanghai, China | Visit site |
| Sattel Energy Co., Ltd | Düsseldorf, China | Visit site |
| Saule Technologies | Wrocław, Poland | Visit site |
| Savita Oil Technologies Limited | Ratnagiri, India | Visit site |
| Scandinavian Bioenergy Services | Rugby, United Kingdom | Visit site |
| Schaeffler | Herzogenaurach, Germany | Visit site |
| Schumann Tanks GmbH | Niedere Börde, Germany | Visit site |
| Schüßler-Plan | Düsseldorf, Germany | Visit site |
| Scienta Scientific | Södertälje, Sweden | Visit site |
| Scottish Federation of Housing Associations | Glasgow, United Kingdom | Visit site |
| Scottish Renewables | Glasgow, United Kingdom | Visit site |
| SeaMade NV | Oostende, Belgium | Visit site |
| SeaRenergy Ltd. | Den Haag, Cyprus | Visit site |
| SeaZip Offshore Service | Harlingen, Netherlands | Visit site |
| Seiko Electric | Senai, Malaysia | Visit site |
| Select Surveys Limited | United Kingdom | Visit site |
| Seltrik Electric India | Chandausi, India | Visit site |
| Semikron Danfoss | Nürnberg, Germany | Visit site |
| Semookii | China | Visit site |
| Senergy GmbH | Feldbach, Austria | Visit site |
| Senseca | Remscheid, Germany | Visit site |
| Sention Technologies Limited | London, United Kingdom | Visit site |
| Seplos | Shenzhen Shi, China | Visit site |
| Sequoia Renewables | Alicante, Spain | Visit site |
| Ser Energia Solar | Belo Horizonte, Brazil | Visit site |
| Seraphim Solar | Changzhou Shi, China | Visit site |
| Sermatec | Shanghai, China | Visit site |
| Sertogal SL | Ourense, Spain | Visit site |
| ServiceUnion | Bannberscheid, Germany | Visit site |
| Servotech | New Delhi, India | Visit site |
| Shams Global Solutions | Oman | Visit site |
| Shanghai Energy Electronic Technology Co., Ltd. | Nottingham, China | Visit site |
| Shared | Boosters of progression | Rotterdam, Netherlands | Visit site |
| Shell | · | Visit site |
| Shen Tai Electric Cable | 新北市, Taiwan | Visit site |
| Shenghua Cable | Shanghai, China | Visit site |
| Shenzhen Glory Industries Co., Ltd. | Shenzhen, China | Visit site |
| Shenzhen Haoyuxin Electronics Co.,Ltd | Dongguan, China | Visit site |
| Shenzhen Hongjiali New Energy Co., Ltd. | Shenzhen, China | Visit site |
| Shenzhen Infypower Co., Ltd. | Shenzhen Shi, China | Visit site |
| Shenzhen JiaRongHua Technology Co., Ltd. 4G Water Meter NB-IoT Electricity Meter | Shenzhen Shi, China | Visit site |
| Shenzhen Kerui Power Storage Co.,Ltd. | China | Visit site |
| Shenzhen LETSOLAR Technology Co.,Ltd | China | Visit site |
| Shenzhen Megarevo Technology Co.,Ltd | Shenzhen, China | Visit site |
| Shenzhen Smart Electronics Co.,Ltd | Shenzhen, China | Visit site |
| Shenzhen Soaring Lighting Co.,Ltd | Noida, China | Visit site |
| Shenzhen Sungold Solar Co.,Ltd | China | Visit site |
| Shenzhen Voltsmile Energy Technology Co., Ltd. | China | Visit site |
| Shinefar Solar | Huzhou Shi, China | Visit site |
| Shirdi Sai Electricals Ltd | Chapra, India | Visit site |
| Shou'alah | Dubai, United Arab Emirates | Visit site |
| Shuangliang Group | Wuxi Shi, China | Visit site |
| Shuangliang Solar-Tech | China | Visit site |
| Sicona Battery Technologies | Wollongong, Australia | Visit site |
| Sidara | London, United Kingdom | Visit site |
| Siechem | Chennai, India | Visit site |
| Sierra Cables | Colombo, Sri Lanka | Visit site |
| Sigma Structures | Volos, Greece | Visit site |
| SigmaHeat | Hannover, Germany | Visit site |
| Sika | Baar, Switzerland | Visit site |
| Simmark | Bowral, Australia | Visit site |
| Singulus Technologies AG | Kahl, Germany | Visit site |
| Sinoma Wind Power Blade Co., Ltd. | China | Visit site |
| Sirea | Castres, France | Visit site |
| Sitemark | Leuven, Belgium | Visit site |
| Skagerak Energi AS | Porsgrunn, Norway | Visit site |
| Skagerak Energitjenester | Porsgrunn, Norway | Visit site |
| Skagerak Kraft AS | Porsgrunn, Norway | Visit site |
| Skellefteå kommun | Skellefteå, Sweden | Visit site |
| SkipperSeil Limited | Gurugram, India | Visit site |
| Skovgaard Energy | Lemvig, Denmark | Visit site |
| SkyVisor | Paris, France | Visit site |
| Skyform Wind | Glasgow, United Kingdom | Visit site |
| Skyfri | Oslo, Norway | Visit site |
| Skyline Solar Ltd | Bedford, United Kingdom | Visit site |
| Skysun | Auderghem, Belgium | Visit site |
| Smart Battery System Development PTY LTD | Sydney, Australia | Visit site |
| Smart Electrical Engineering Co., Ltd | 臺北市, Taiwan | · |
| Smart Energy Technologies | Colombia | Visit site |
| Smart Euronet Electronics | Dubai, United Arab Emirates | Visit site |
| Smart Lifestyle Australia | Brisbane, Australia | Visit site |
| Smart Power India | Gurugram, India | Visit site |
| Smart Roof Solar | Gurugram, India | Visit site |
| SmartGrid | Stadskanaal, Nederland | Visit site |
| Smarta Energy | Leeds, United Kingdom | Visit site |
| Småkraft AS | Bergen, Norway | Visit site |
| Snergytec Solar Mounting | Wuxi Shi, China | Visit site |
| Société du canal de provence | France | Visit site |
| Soeasy Photovoltaic | Xiamen Shi, China | Visit site |
| SolRecycle | Sheffield, United Kingdom | Visit site |
| SolSulet | Eivissa, Spain | Visit site |
| Solaico, paneles solares fotovoltaicos | Chocontá, Brazil | Visit site |
| Solaire Connect | Perth, Australia | Visit site |
| Solaire Romand | Sion, Switzerland | Visit site |
| Solaires Entreprises Inc. | Canada | Visit site |
| Solana Energy | Newburgh, Canada | Visit site |
| Solar Activ GmbH | Durmersheim, Germany | Visit site |
| Solar Architects Australia | Byron Bay, Australia | Visit site |
| Solar Bins Australia | Brisbane, Australia | Visit site |
| Solar Bollard Lighting | Brisbane, Australia | Visit site |
| Solar Brain Pakistan | Hong Kong | Visit site |
| Solar Bull | Elche, Spain | Visit site |
| Solar Compleet | Noordwijkerhout, Netherlands | Visit site |
| Solar Concept | Schaijk, Netherlands | Visit site |
| Solar Connections do Brasil | São Paulo, Brazil | Visit site |
| Solar Consulting México | Mazatlán, Mexico | Visit site |
| Solar Crew | Eersel, Netherlands | Visit site |
| Solar E | Perth, Australia | Visit site |
| Solar Energy Africa | South Africa | Visit site |
| Solar Energy Finland -Suomen Aurinkoenergiayhdistys | Porvoo, Finland | Visit site |