| Sako Solar | Shenzhen Shi, Guangdong | Visit site |
| Salamander Power | Salt Lake City, Utah | Visit site |
| SalesRabbit | Lehi, Utah | Visit site |
| Salon BEPOSITIVE | Lyon, Rhône | Visit site |
| Salt River Project | Tempe, Arizona | Visit site |
| Saltfoss Energy | København, Capital Region of Denmark | Visit site |
| Samaiden Group | Petaling Jaya, Selangor | Visit site |
| Samorka | Reykjavík, Capital Region | Visit site |
| Samsung SDS America | Ridgefield Park, New Jersey | Visit site |
| Samtracs | San Antonio, Texas | Visit site |
| San Carlos BioPower Inc. | San Carlos City, Negros Occidental | Visit site |
| Sanco Intelligent Connector Technology Co.,Ltd. | Guangzhou City, Guangdong Province | Visit site |
| Sanctum-Energy | Huddersfield, England | Visit site |
| Sandbar Solar & Electric | Santa Cruz, California | Visit site |
| Sangha Renewables | New York, New York | Visit site |
| Sangreen Future Renewables Private Limited | Pune, Maharashtra | Visit site |
| Sanhe Power Tech | Shenzhen Shi, Guangdong | Visit site |
| Sanko Holding | Şehitkamil, Gaziantep | Visit site |
| Sanko Power | Dongwan Shi, Guangdong | Visit site |
| Sapa | Andoain, Gipuzkoa | Visit site |
| Sarper Enerji | Sarıyer, Istanbul | Visit site |
| Saskatchewan First Nations Natural Resource Centre of Excellence Inc. | Saskatoon, Saskatchewan | Visit site |
| Sassin | Shanghai, Shanghai | Visit site |
| Sattel Energy Co., Ltd | Shenzhen Shi, Guangdong | Visit site |
| Saule Technologies | Wrocław, Lower Silesian Voivodeship | Visit site |
| Savita Oil Technologies Limited | Ratnagiri, Maharashtra | Visit site |
| Scalo | Wrocław, Lower Silesian Voivodeship | Visit site |
| Scandinavian Bioenergy Services | Rugby, England | Visit site |
| Scanifly | Hightstown, New Jersey | Visit site |
| Schaeffler | Herzogenaurach, Bavaria | Visit site |
| Schaltbau North America | Hauppauge, New York | Visit site |
| Schumann Tanks GmbH | Niedere Börde, Saxony-Anhalt | Visit site |
| Schweitzer Engineering Laboratories (SEL) | Pullman, Washington | Visit site |
| Schüßler-Plan | Düsseldorf, North Rhine-Westphalia | Visit site |
| Scienta Scientific | Uppsala, Uppsala | Visit site |
| Scottish Federation of Housing Associations | Glasgow, Scotland | Visit site |
| Scottish Renewables | Glasgow, Scotland | Visit site |
| Scudder Solar Energy Systems | Marina, California | Visit site |
| SeaMade NV | Oostende, West Flanders | Visit site |
| SeaRenergy Ltd. | Λεμεσός, Limassol | Visit site |
| SeaZip Offshore Service | Harlingen, Friesland | Visit site |
| Seaboard Solar Operations, LLC | New Milford, Connecticut | Visit site |
| Sebang Global Battery | Denver, Colorado | Visit site |
| Seiko Electric | Senai, Johor | Visit site |
| Select Surveys Limited | Sevenoaks, England | Visit site |
| Seltrik Electric India | Chandausi, Uttar Pradesh | Visit site |
| Semikron Danfoss | Nürnberg, Bavaria | Visit site |
| Semookii | Shanghai, Shanghai | Visit site |
| Semper Solaris | El Cajon, California | Visit site |
| Senergy GmbH | Feldbach, Styria | Visit site |
| SenseHawk | Campbell, California | Visit site |
| Senseca | Remscheid, North Rhine-Westphalia | Visit site |
| Senseleq | Tuk, Overijssel | Visit site |
| Sention Technologies Limited | London, England | Visit site |
| Sentrex Wind Services | Quispamsis, New Brunswick | Visit site |
| Seplos | Shenzhen Shi, Guangdong | Visit site |
| Sequoia Renewables | Elche, Alicante | Visit site |
| Ser Energia Solar | Belo Horizonte, Minas Gerais | Visit site |
| Sermatec | Shanghai, Shanghai | Visit site |
| Sertogal SL | Vilariño de Conso, Ourense | Visit site |
| Service Wire | Culloden, West Virginia | Visit site |
| ServiceUnion | Bannberscheid, Rhineland-Palatinate | Visit site |
| Servotech | New Delhi, Delhi | Visit site |
| Shah Infra Towers | Bengaluru, Karnataka | Visit site |
| Shams Global Solutions | Muscat Governorate | Visit site |
| Shanghai Energy Electronic Technology Co., Ltd. | Nottingham, England | Visit site |
| Shared | Boosters of progression | Rotterdam, South Holland | Visit site |
| Shawllar Energy | Milwaukee, Wisconsin | Visit site |
| Sheakley | Blue Ash, Ohio | Visit site |
| Sheida Solar | Al Batinah South Governorate | Visit site |
| Shell | London, England | Visit site |
| Shen Tai Electric Cable | 新北市, New Taipei City | Visit site |
| Shenghua Cable | Shanghai, Shanghai | Visit site |
| Shenzhen CLOU Electronics Co., Ltd | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen Doke Communication Co., Ltd | Colombo | Visit site |
| Shenzhen Everbest Machinery Industry Co., Ltd. (CEM) | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen GSL Energy Co., Ltd. | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen Genixgreen Technology Co.,Ltd | · | Visit site |
| Shenzhen Glory Industries Co., Ltd. | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen HB Electronic Co., Ltd. | Shenzhen | Visit site |
| Shenzhen Haoyuxin Electronics Co.,Ltd | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen Hongjiali New Energy Co., Ltd. | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen Infypower Co., Ltd. | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen JiaRongHua Technology Co., Ltd. 4G Water Meter NB-IoT Electricity Meter | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen Kerui Power Storage Co.,Ltd. | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen LETSOLAR Technology Co.,Ltd | Bắc Giang, Bắc Ninh | Visit site |
| Shenzhen Megarevo Technology Co.,Ltd | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen Newland Technology Company Limited | Fuzhou | Visit site |
| Shenzhen RJC Industrial CO., LTD | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen Smart Electronics Co.,Ltd | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen Soaring Lighting Co.,Ltd | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen Sungold Solar Co.,Ltd | Shenzhen Shi, Guangdong | Visit site |
| Shenzhen Sungoldsolar | Guangdong | Visit site |
| Shenzhen Voltsmile Energy Technology Co., Ltd. | Shenzhen | Visit site |
| Shenzhen Yunji New Energy Technology Co.,Ltd | · | Visit site |
| Sherbro Island City | London, England | Visit site |
| Shihlin Electric | 臺北市, Taipei | Visit site |
| Shinefar Solar | Huzhou Shi, Zhejiang | Visit site |
| Shinson Technology | Changzhou Shi, Jiangsu | Visit site |
| Shirdi Sai Electricals Ltd | Kadapa, Andhra Pradesh | Visit site |
| Shou'alah | Dubai, Dubai | Visit site |
| Shuangliang Group | Wuxi Shi, Jiangsu | Visit site |
| Shuangliang Solar-Tech | 大溪區, Taoyuan | Visit site |
| Shyft Power Solutions | San Francisco, California | Visit site |
| Sicame North America | · | Visit site |
| Sicona Battery Technologies | Wollongong, New South Wales | Visit site |
| Sidara | London, England | Visit site |
| Sidhu Laboratories | Bordentown, New Jersey | Visit site |
| Siechem | Chennai, Tamil Nadu | Visit site |
| Siemens | · | Visit site |
| Sierra Cables | Colombo, Colombo | Visit site |
| Sierra Power Services | Foresthill, California | Visit site |
| SierraThermal, Inc. | Watsonville, California | Visit site |
| Sieyuan Electric Co.,Ltd | Shanghai | Visit site |
| Sieyuan Electric USA LLC | Plano, Texas | Visit site |
| Sigma C Power Services | Boston, Massachusetts | Visit site |
| Sigma Structures | Volos, Thessaly | Visit site |
| SigmaHeat | Hannover, Lower Saxony | Visit site |
| Signal Energy | Chattanooga, Tennessee | Visit site |
| Signature Solar | Sulphur Springs, Texas | Visit site |
| Sigora Home | Charlottesville, Virginia | Visit site |
| Sika | Baar, Zug | Visit site |
| Silfab Solar Inc. | Mississauga, Ontario | Visit site |
| Silicon Labs | Austin, Texas | Visit site |
| Simmark | North Nowra, New South Wales | Visit site |
| Simplicity Power | Dallas, Texas | Visit site |
| Sinergeo S.r.l. | Vicenza, Vicenza | Visit site |
| Singfilm Solar Pte.Ltd. | Singapore, Central Singapore Community Development Council | Visit site |
| Singulus Technologies AG | Kahl am Main, Bavaria | Visit site |
| Sinoma Wind Power Blade Co., Ltd. | Beijing, Beijing | Visit site |
| Sirea | Castres, Tarn | Visit site |
| Sisener | Zaragoza, Zaragoza | Visit site |
| Sitemark | Leuven, Flemish Brabant | Visit site |
| Sitetracker | Montclair, New Jersey | Visit site |
| Skagerak Energi AS | Porsgrunn, Telemark | Visit site |
| Skagerak Energitjenester | Porsgrunn, Telemark | Visit site |
| Skagerak Kraft AS | Porsgrunn, Telemark | Visit site |
| Skellefteå kommun | Skellefteå, Västerbotten | Visit site |
| SkipperSeil Limited | Gurugram, Haryana | Visit site |
| Skovgaard Energy | Lemvig, Central Denmark | Visit site |
| Skwentex International Company | San Jose, California | Visit site |
| SkyVisor | Paris, Île-de-France | Visit site |
| Skyform Wind | Mexborough, England | Visit site |
| Skyfri | Oslo, Oslo | Visit site |
| Skyline Smart Energy | Palm Beach, Florida | Visit site |
| Skyline Solar Ltd | Wembley, England | Visit site |
| Skysun | Auderghem, Brussels-Capital | Visit site |
| Smart Battery System Development PTY LTD | Sydney, New South Wales | Visit site |
| Smart Electric Power Alliance (SEPA) | Washington, District of Columbia | Visit site |
| Smart Electrical Engineering Co., Ltd | 臺北市, Taipei | Visit site |