| Solar Fusion B.V. | Alkmaar, Netherlands | Visit site |
| Solar Harness | Perth, Australia | Visit site |
| Solar Job Energia Solar | Indaiatuba, Brazil | Visit site |
| Solar Maintenance Solutions Australia | Sydney, Australia | Visit site |
| Solar My Home WA | Perth, Australia | Visit site |
| Solar N Plus | Chuzhou Shi, China | Visit site |
| Solar NRG Group | London, United Kingdom | Visit site |
| Solar Natura | Condado de Castilnovo, Spain | Visit site |
| Solar Naturally | Forrestdale, Australia | Visit site |
| Solar Nordic A/S | Hedehusene, Denmark | Visit site |
| Solar Offgrid Specialists | Yoongarillup, Australia | Visit site |
| Solar Partner México | Ciudad Juárez, Mexico | Visit site |
| Solar Partners Asia Cambodia Ltd. | Phnom Penh, Cambodia | Visit site |
| Solar Power Energy | Betim, Brazil | Visit site |
| Solar Power Network | Canada | Visit site |
| Solar Power Solutions Group | Dunstable, Türkiye | Visit site |
| Solar Power UK | London, United Kingdom | Visit site |
| Solar Semiconductor (P) Ltd | Ciudad Victoria, Mexico | Visit site |
| Solar Steel Construction | Дніпро, Ukraine | Visit site |
| Solar Structures Ireland | Manuel, Spain | Visit site |
| Solar Tower Systems | Yarrambat, Australia | Visit site |
| Solar Union | Garza García, Mexico | Visit site |
| Solar-Log Deutschland | Geislingen, Germany | Visit site |
| Solar-Log™ International | Geislingen, Germany | Visit site |
| SolarCorp Energia | Rio de Janeiro, Brazil | Visit site |
| SolarLab | Denmark | Visit site |
| SolarNow BV | Millingen aan de Rijn, Netherlands | Visit site |
| SolarOn | Aparecida de Goiânia, Brazil | Visit site |
| SolarParking | Naarden, Netherlands | Visit site |
| SolarShade | Dibba Al Fujairah, United Arab Emirates | Visit site |
| SolarSpace | China | Visit site |
| SolarWyze | Colchester, United Kingdom | Visit site |
| Solaracks | Xiamen Shi, China | Visit site |
| Solarbau Rhein Ruhr | Düsseldorf, Germany | Visit site |
| Solare Sociale Scarl | Budrio, Italy | Visit site |
| Solarev Autoconsumo Solar | Oviedo, Spain | Visit site |
| Solargiga Energy | Melbourne, Australia | Visit site |
| Solarmaker | Ceriale, Italy | Visit site |
| Solarniroo | Tehran, Iran | Visit site |
| Solaronix | Aubonne, Switzerland | Visit site |
| Solaroot Engineering Services | Gurugram, India | Visit site |
| Solarstrategia | Чернівці, Ukraine | Visit site |
| Solarway New Energy | Jiaxing Shi, China | Visit site |
| Solarz | Ponteareas, Spain | Visit site |
| Solasol Energy | Carcaixent, Spain | Visit site |
| Solauric | Chorvátsky Grob, Slovakia | Visit site |
| Solen Tad | Oğuzeli, Türkiye | Visit site |
| Solener | Antiguo Cuscatlán, El Salvador | Visit site |
| Solergy Ecuador | Guayaquil, Ecuador | Visit site |
| SoletAer AB | Klässbol, Sweden | Visit site |
| Solgaleo Energía | Ourense, Spain | Visit site |
| Solimpeks | Karatay, Türkiye | Visit site |
| Solis-energie by AB | France | Visit site |
| Solisart | Sainte-Hélène-du-Lac, France | Visit site |
| Soliswatt | Hangzhou Shi, China | Visit site |
| Solmax | Longueuil, Canada | Visit site |
| Solr Solvr | Orillia, Canada | Visit site |
| Solra PV | Jerusalem, Israel | Visit site |
| Solsonica | Cittaducale, Italy | Visit site |
| Solstr Innovation LLP | Kupferzell, Germany | Visit site |
| Soltronergy | Roermond, Netherlands | Visit site |
| Solucione Energias Renováveis | Vinhedo, Brazil | Visit site |
| Soluciones en Energía / Power Rent. renta, venta y mantto. de Plantas de Luz | Mexico | Visit site |
| Soluna | Shanghai, China | Visit site |
| Solution Control Systems Inc. | Edmonton, Canada | Visit site |
| Solvires | Makati, Philippines | Visit site |
| Solvis | Braunschweig, Germany | Visit site |
| Som Enerji | Ataşehir, Türkiye | Visit site |
| Sonnen Metal | Warszawa, Poland | Visit site |
| Sonnenladen GmbH | balkonkraftwerk.de | Bremen, Germany | Visit site |
| Sonnensysteme AF GmbH | Ottobrunn, Germany | Visit site |
| Sonnex Energie | Frankfurt am Main, Germany | Visit site |
| Sonovision - Ortec Group | Aix-en-Provence, France | Visit site |
| Soprasolar | Clichy, France | Visit site |
| Sourayan Technologies Pvt. Ltd. | Pune, India | Visit site |
| South African Local Government Association | Johannesburg, South Africa | Visit site |
| South Asia Regional Infrastructure Connectivity (SARIC) | Gurugram, India | Visit site |
| Sova Solar | Rajarhat, India | Visit site |
| Space Intelligence | Edinburgh, United Kingdom | Visit site |
| Special Cables | Lüneburg, Germany | Visit site |
| Spectra Solar | Wigan, United Kingdom | Visit site |
| Spectronik | Singapore | Visit site |
| Speed Team Group | Chennai, India | Visit site |
| Springers Solar | Brisbane, Australia | Visit site |
| Square 4 Solar | Warrington, United Kingdom | Visit site |
| Square Solar Inc | Vancouver, Canada | Visit site |
| Sri Lanka Energy Program | Colombo, Sri Lanka | Visit site |
| St1 Biokraft | Stockholm, Sweden | Visit site |
| Stabilus | Koblenz, Germany | Visit site |
| Stag Solar | Maldon, United Kingdom | Visit site |
| Standard Power Development | Kraków, Poland | Visit site |
| Standard Renewable Energy SRE | 壽豐鄉, Taiwan | · |
| Standardkessel Baumgarte GmbH | Bielefeld, Germany | Visit site |
| Stark Energy | Walldorf, Germany | Visit site |
| Starwin Solar | Xiamen Shi, China | Visit site |
| Statcon Energiaa | Noida, India | Visit site |
| Sterlite | New Delhi, India | Visit site |
| SternLicht Energie | Yenişehir, Türkiye | Visit site |
| Stiesdal | København, Denmark | Visit site |
| Stockholm Sol | Stockholm, Sweden | Visit site |
| Stockwell Solar Services Pvt Ltd | Jaipur, India | Visit site |
| Streamergy | Augsburg, Germany | Visit site |
| Street Lighting Poles In Pakistan | Karachi, Pakistan | Visit site |
| Stripsteel | Puebla, Mexico | Visit site |
| Strohm | IJmuiden, Netherlands | Visit site |
| Strolar® | Noida, India | Visit site |
| Studio Oker | Stavanger, Norway | Visit site |
| Sud Concept - Solutions Énergies - Photovoltaïque | Vedène, France | Visit site |
| Sudhan Solar | Singapore | Visit site |
| Suichoku Solar Co. Ltd. | 横浜市, Japan | Visit site |
| Sulgás | Carlos Gomes, Brazil | Visit site |
| Sumcab | Les Franqueses del Vallès, Spain | Visit site |
| Sun Green Énergies | Mérignac, France | Visit site |
| Sun Integration | Jakarta Pusat, Indonesia | Visit site |
| Sun Max Solar | Sydney, Australia | Visit site |
| Sun-Age | Balerna, Switzerland | Visit site |
| Sun-Nova New Energy | Shanghai, China | Visit site |
| SunBy Solar Technology Co., Ltd. | Shanghai, China | Visit site |
| SunCrafter GmbH | Berlin, Germany | Visit site |
| SunFi | Lagos, Nigeria | Visit site |
| SunGarner | Noida, India | Visit site |
| SunPeople- Your local solar experts | Wollongong, Australia | Visit site |
| SunSniffer GmbH & Co. KG | Nürnberg, Germany | Visit site |
| SunStak | Canberra, Australia | Visit site |
| Sunanda Solar Energy Pvt Ltd | Bhopal, India | Visit site |
| Sunaxer SA | Montreux, Switzerland | Visit site |
| Sunbank Energy | Zapopan, Mexico | Visit site |
| Sunbeam Energy | Leamington, Canada | Visit site |
| Suncor | Calgary, Canada | Visit site |
| Sundata: the solar installer service software | Utrecht, Netherlands | Visit site |
| Sunfaith | Xiamen Shi, China | Visit site |
| Sunfina Solar LLP | Maliya, India | Visit site |
| Sunfor Energia | Rio de Janeiro, Brazil | Visit site |
| Sunforson Sunrack | China | Visit site |
| Sunfuture | China | Visit site |
| Sungreen Latam | Salta, Argentina | Visit site |
| Sungreen Power And Renewable Energy | Haroa, India | Visit site |
| Sungrow FPV | Hefei Shi, China | Visit site |
| Sungrow LATAM | Las Condes, Chile | Visit site |
| Sungrow Power Supply Co., Ltd. | Hefei Shi, China | Visit site |
| Sunkon | Fuoshan Shi, China | Visit site |
| Sunna Design | Blanquefort, France | Visit site |
| Sunna Group | Åre, Sweden | Visit site |
| Sunnic | Hamburg, Germany | Visit site |
| SunnyHUB | Porto Alegre, Brazil | Visit site |
| Sunpal Power | China | Visit site |
| Sunplugged | Wildermieming, Austria | Visit site |
| Sunrad Renewable Energy and Electrical Solutions Pvt Ltd | Poonamallee, India | Visit site |
| Sunrev | Nanjing Shi, China | Visit site |
| Sunrya | Hong Kong | Visit site |