| AVO Energy | Bengaluru, India | Visit site |
| AVO verdelerbouw | Someren, Netherlands | Visit site |
| AVOB | Boulogne-Billancourt, France | Visit site |
| AWSS Renewable Energy Pvt. Ltd. | Chennai, India | Visit site |
| AXIAN Group | Antananarivo, Madagascar | Visit site |
| AYA Energia | São Paulo, Brazil | Visit site |
| AYK Energy Ltd. | Andorra la Vella, Andorra | Visit site |
| AZCATEC Tecnología e Ingeniería | Dos Hermanas, Spain | Visit site |
| AZGroupPR | Carolina, Puerto Rico | Visit site |
| AZUL Y VERDE ENERGÍA Y SOSTENIBILIDAD | Córdoba, Spain | Visit site |
| AZUR ISOLATION INDUSTRIELLE | Saint-Laurent-du-Var, France | Visit site |
| Aalberts hydronic flow control | Almere, Netherlands | Visit site |
| Aalborg Energie Technik a/s | Aalborg, Denmark | Visit site |
| Aasan Group of Companies | Köln, Germany | Visit site |
| Aberdeen & Grampian Chamber of Commerce | Aberdeen, United Kingdom | Visit site |
| Aberdeen Renewable Energy Group (AREG) | Aberdeen, United Kingdom | Visit site |
| Aboitiz Renewables | Calauan, Philippines | Visit site |
| Absolute Clean Energy Public Company Limited | Bangkok, Thailand | Visit site |
| Absorption Chiller Service, Bangladesh | Dhaka, Bangladesh | Visit site |
| Abundance Investment | London, United Kingdom | Visit site |
| Accenture España | Madrid, Spain | Visit site |
| Accra Compost and Recycling Plant Limited | Ghana | Visit site |
| Accuracy | Paris, France | Visit site |
| Acecore | Uden, Netherlands | Visit site |
| Actemium | Nanterre, France | Visit site |
| Actis | London, United Kingdom | Visit site |
| Activ'Glass | Wilen bei Wollerau, Switzerland | Visit site |
| Adamietz Sp. z o.o. | Strzelce Opolskie, Poland | Visit site |
| Adaptive Balancing Power GmbH | Pfungstadt, Germany | Visit site |
| Adayo | China | Visit site |
| Aden Solar Enerji | Kuşadası, Türkiye | Visit site |
| Adrem Asset Management | Bucharest, Romania | Visit site |
| Advait Energy Transitions Limited | Ahmedabad, India | Visit site |
| AdvanSol | 臺北市, Taiwan | Visit site |
| Advanced Blade Repair Services (Global) | Rayleigh, United Kingdom | Visit site |
| Advanced United Systems-AUS | Al-Riyadh, Saudi Arabia | Visit site |
| Adyasolar | Indonesia | Visit site |
| Aegeus Technologies Private Limited | Bengaluru, India | Visit site |
| Aegis Automation India Pvt. Ltd. | Secunderabad, India | Visit site |
| Aegis Critical Energy Defence Corp. | Vancouver, Canada | Visit site |
| Aemifesa - Aemifesa Formació | Badalona, Spain | Visit site |
| Aerial PV Inspection GmbH | Aachen, Germany | Visit site |
| Aerisoul | Šahy, Slovakia | Visit site |
| Aertssen Machinery Services | Abu Dhabi, United Arab Emirates | Visit site |
| Afore New Energy | Shanghai, China | Visit site |
| Africa Finance Corporation | Lagos, Nigeria | Visit site |
| Africa Resilience Investment Accelerator (ARIA) | London, United Kingdom | Visit site |
| African Energy | Bexhill-on-Sea, United Kingdom | Visit site |
| African Infrastructure Investment Managers (AIIM) | Cape Town, South Africa | Visit site |
| Agence Sénégalaise d’Electrification Rurale | Dakar, Senegal | Visit site |
| Agentis Electric Ltd | Guelph, Canada | Visit site |
| AgroSolar Europe | Berlin, Germany | Visit site |
| Ahrens | Kingsford, Australia | Visit site |
| Airovation Technologies | Modiin-Maccabim-Reut, Israel | Visit site |
| Airthium | Les Loges-en-Josas, France | Visit site |
| Akaysha Energy | Melbourne, Australia | Visit site |
| Aker Horizons | Fornebu, Norway | Visit site |
| Aker Solutions | Fornebu, Norway | Visit site |
| Akshar Group of Company | Bhuj, India | Visit site |
| Aktor Group | Athina, Greece | Visit site |
| Al Darwish Engineering W.L.L. | Doha, Qatar | Visit site |
| Al Geemi Contracting Co. L.L.C | Abu Dhabi, United Arab Emirates | Visit site |
| Al Jaber Engineering W.L.L | Doha, Qatar | Visit site |
| Al Khayam Al Arabiah Tents & Sheds | Sharjah, United Arab Emirates | Visit site |
| Al Mada Ventures | Casablanca, Morocco | Visit site |
| Al Masaood | Abu Dhabi, United Arab Emirates | Visit site |
| Al-Babtain Metalogalva Solar | Ad Dammam, Saudi Arabia | Visit site |
| Al-Babtain Power & Telecom | Al-Riyadh, Saudi Arabia | Visit site |
| Alagöz Holding | Ankara, Türkiye | Visit site |
| Alam Flora Sdn Bhd | Shah Alam, Malaysia | Visit site |
| Alam Sekitar Malaysia Sdn Bhd | Shah Alam, Malaysia | Visit site |
| Alantra | Madrid, Spain | Visit site |
| Alarga Yenilenebilir Enerji / Alarga Renewables | Ataşehir, Türkiye | Visit site |
| Albedo Solar | Panajachel, Guatemala | Visit site |
| Aldo Solar | Maringá, Brazil | Visit site |
| Alectra Inc. | Mississauga, Canada | Visit site |
| Aleo Solar | Prenzlau, Germany | Visit site |
| Alevro | Perth, Australia | Visit site |
| AlexForm | Egypt | Visit site |
| Alexandria | Curitiba, Brazil | Visit site |
| Alfa Laval Aalborg Header-coil A/S | Aalborg, Denmark | Visit site |
| Alfanar Projects | Rendsburg, Germany | Visit site |
| Algebris Investments | London, United Kingdom | Visit site |
| Alkor | Menderes, Türkiye | Visit site |
| All Energy Australia | Melbourne, Australia | Visit site |
| Alliance for Rural Electrification | Brussels, Belgium | Visit site |
| Allianz | München, Germany | Visit site |
| Allimex | Tessenderlo, Belgium | Visit site |
| Allume ANZ | Melbourne, Australia | Visit site |
| Allye | London, United Kingdom | Visit site |
| Almabani General Contractors | Jeddah, Saudi Arabia | Visit site |
| Almaden | Jebel Ali, United Arab Emirates | Visit site |
| Alokozia | کندهار, Afghanistan | Visit site |
| Alpex Solar Ltd. | Basti, India | Visit site |
| AlphaGen Energy | Chesterfield, United Kingdom | Visit site |
| AlphaTracker | Torremolinos, Spain | Visit site |
| Alserkal Envirol | Dubai, United Arab Emirates | Visit site |
| Altech Group | Kinshasa, Democratic Republic of the Congo | Visit site |
| Altenia | Terna Energy Solutions | Roma, Italy | Visit site |
| Alterna énergie | Poitiers, France | Visit site |
| Altpowerng | Lagos, Nigeria | Visit site |
| AlumaPower | Sarnia, Canada | Visit site |
| Alumdunia SDN. BHD. | Chuzhou Shi, China | Visit site |
| Alumil Solar | Thessaloniki, Greece | Visit site |
| Alusin Solar | Spain | Visit site |
| Alvern Cables | Cape Town, South Africa | Visit site |
| Alves Kablo | Pursaklar, Türkiye | Visit site |
| Always Solar | Perth, Australia | Visit site |
| Aman International Engineering Consultancy | Abu Dhabi, Egypt | Visit site |
| Amara Raja Group | Hyderabad, India | Visit site |
| AmarnaEnergy | Brisbane, Australia | Visit site |
| Amberside Advisors | London, United Kingdom | Visit site |
| Amberside Capital | Hemel Hempstead, United Kingdom | Visit site |
| Ambilev Oceanografia e Hidrografia | Vitória, Brazil | Visit site |
| Amiblu | Klagenfurt am Wörthersee, Austria | Visit site |
| Ammongas | Søborg, Denmark | Visit site |
| Ammonia Europe | Etterbeek, Belgium | Visit site |
| Ammonit Wind Tunnel GmbH | Admannshagen-Bargeshagen, Germany | Visit site |
| Amokabel | Alstermo, Sweden | Visit site |
| Amp X | London, United Kingdom | Visit site |
| Amperesand | Singapore | Visit site |
| Amperex Technology | China | Visit site |
| Ampton Energy | Chennai, India | Visit site |
| Anaergia | Burlington, Canada | Visit site |
| Anatolia Wind | Bayraklı, Türkiye | Visit site |
| Andersen in Spain | Pinto, Spain | Visit site |
| Andes Energy | Bogotá, Colombia | Visit site |
| Andes Solar | Huechuraba, Chile | Visit site |
| Andrade Gutierrez S.A. | São Paulo, Brazil | Visit site |
| Anglesey Solar and Electrical Ltd | Llangefni, United Kingdom | Visit site |
| Anglia Solar | London, United Kingdom | Visit site |
| Ankara Solar | Altındağ, Türkiye | Visit site |
| Anker Innovations ANZ | Melbourne, Australia | Visit site |
| Ansa | Paris, France | Visit site |
| Antares Electrolysis S.r.l. | Genova, Italy | Visit site |
| Anthesis APAC | Melbourne, Australia | Visit site |
| Anthesis Esp | Manlleu, Spain | Visit site |
| Anthesis Group | London, United Kingdom | Visit site |
| Anu Structurals | Hyderabad, India | Visit site |
| Anygap | Shenzhen Shi, China | Visit site |
| Aplus Engenharia | Blumenau, Brazil | Visit site |
| Apolo Energia | São João Baptista, Portugal | Visit site |
| Apricum – The Cleantech Advisory | Berlin, Germany | Visit site |
| AqGas Group Limited | Nottingham, United Kingdom | Visit site |
| Aquaelecs | Antalya, Türkiye | Visit site |
| Aquatera Ltd | Stromness, United Kingdom | Visit site |
| Aquila Capital | Hamburg, Germany | Visit site |
| Arabelle Solutions | Nanterre, France | Visit site |
| Araoz & Rueda | Madrid, Spain | Visit site |
| Aras Elektrik Dağıtım A.Ş. | Dundurn, Canada | Visit site |