| ASUNIM Solar Energy Systems Contracting LLC | Dubai, Dubai | Visit site |
| ATABERAKIN İNŞAAT | Denizli | Visit site |
| ATJ SOLUTIONS Inc. - (12224895 Canada Inc) | Nepean, Ontario | Visit site |
| ATLANT 3D | Taastrup, Capital Region of Denmark | Visit site |
| ATOBA energy | Lyon, Rhône | Visit site |
| ATS Automation, Inc | Renton, Washington | Visit site |
| ATS Corporation | Cambridge, Ontario | Visit site |
| ATS Rocky Mountain | Centennial, Colorado | Visit site |
| ATS Waypoint | Roswell, Georgia | Visit site |
| ATSC Solartech | Steenokkerzeel, Flemish Brabant | Visit site |
| AUCTUS Capital Partners AG | München, Bavaria | Visit site |
| AUKEY | Shenzhen Shi, Guangdong | Visit site |
| AVAESEN | València, Valencia | Visit site |
| AVENIR ENERGIE | Boksburg, Gauteng | Visit site |
| AVIA SOLAR | Warszawa, Masovian Voivodeship | Visit site |
| AVIA VOLT Suisse AG | Frauenfeld, Thurgau | Visit site |
| AVID Solar | Auckland, Auckland | Visit site |
| AVILOO Battery Diagnostics | Wiener Neudorf, Lower Austria | Visit site |
| AVO Energy | Islampur, West Bengal | Visit site |
| AVO verdelerbouw | Someren, North Brabant | Visit site |
| AVOB | Boulogne-Billancourt, Hauts-de-Seine | Visit site |
| AWI Steel | Sydney, New South Wales | Visit site |
| AWSS Renewable Energy Pvt. Ltd. | Chennai, Tamil Nadu | Visit site |
| AXIAN Group | Antananarivo, Analamanga | Visit site |
| AYA Energia | São Paulo, São Paulo | Visit site |
| AYK Energy Ltd. | Andorra la Vella, Andorra la Vella | Visit site |
| AZCATEC Tecnología e Ingeniería | Dos Hermanas, Seville | Visit site |
| AZGroupPR | Carolina, Carolina | Visit site |
| AZUL Y VERDE ENERGÍA Y SOSTENIBILIDAD | Córdoba, Córdoba | Visit site |
| AZUR ISOLATION INDUSTRIELLE | Saint-Laurent-du-Var, Alpes-Maritimes | Visit site |
| AZZO | Adelaide, South Australia | Visit site |
| Aalberts hydronic flow control | Almere, Flevoland | Visit site |
| Aalborg Energie Technik a/s | Aalborg, North Denmark Region | Visit site |
| Aalo Atomics | Austin, Texas | Visit site |
| Aarusha Smart Energy | Gandhinagar, Gujarat | · |
| Aasan Group of Companies | Köln, North Rhine-Westphalia | Visit site |
| Aberdeen & Grampian Chamber of Commerce | Aberdeen, Scotland | Visit site |
| Aberdeen Renewable Energy Group (AREG) | Aberdeen, Scotland | Visit site |
| Aboitiz Renewables | Tiwi, Albay | Visit site |
| Above | Colchester, England | Visit site |
| Absolute Clean Energy Public Company Limited | Bangkok, Bangkok | Visit site |
| Absorption Chiller Service, Bangladesh | Dhaka, Dhaka | Visit site |
| Abt Global | Rockville, Maryland | Visit site |
| Abundance Investment | London, England | Visit site |
| Abyss Solutions Ltd | Houston, Texas | Visit site |
| Accenture España | Madrid, Madrid | Visit site |
| Access Limited | Oceano, California | Visit site |
| Accessible Consulting Engineers, Inc. | Corona, California | Visit site |
| Accra Compost and Recycling Plant Limited | · | Visit site |
| Accuenergy Inc. | Scarborough, Ontario | Visit site |
| Acculon Energy | Columbus, Ohio | Visit site |
| Accuracy | Paris, Île-de-France | Visit site |
| Ace Electric, Inc | Valdosta, Georgia | Visit site |
| Acecore | Uden, North Brabant | Visit site |
| Acelerex | Cambridge, Massachusetts | Visit site |
| Acentech | Cambridge, Massachusetts | Visit site |
| Acme Express, Inc. dba Roll-A-Rack | Cleveland, Ohio | Visit site |
| Actemium | Nanterre, Hauts-de-Seine | Visit site |
| Actis | London, England | Visit site |
| Activ'Glass | Wilen bei Wollerau, Schwyz | Visit site |
| Activate | Berkeley, California | Visit site |
| Active Energies Solar, LLC | Avon, Colorado | Visit site |
| Active Membranes | Moorpark, California | Visit site |
| Active Surfaces | Woburn, Massachusetts | Visit site |
| Adamietz Sp. z o.o. | Strzelce Opolskie, Opole Voivodeship | Visit site |
| Adams Electric Company | Greensboro, North Carolina | Visit site |
| Adaptive Balancing Power GmbH | Pfungstadt, Hesse | Visit site |
| Adaptive Engineering Pvt. Ltd. | Ahmedabad, Gujarat | Visit site |
| Adayo | Guangdong | Visit site |
| Aden Solar Enerji | Kuşadası, Aydın | Visit site |
| Adena Power | Lewis Center, Ohio | Visit site |
| Adkins Electric, Inc. | Jacksonville, Florida | Visit site |
| Admiral Energy | Dover, Delaware | Visit site |
| Adrem Asset Management | Bucharest, Bucharest | Visit site |
| Advait Energy Transitions Limited | Ahmedabad, Gujarat | Visit site |
| AdvanSol | 臺北市, Taipei | Visit site |
| Advance Switchboard Distribution, LLC | Elk Grove Village, Illinois | Visit site |
| Advanced Batteries & Energy Storage Research | Boston, Massachusetts | Visit site |
| Advanced Biofuels USA | Frederick, Maryland | Visit site |
| Advanced Blade Repair Services (Global) | Sunderland, England | Visit site |
| Advanced Cell Engineering | Stuart, Florida | Visit site |
| Advanced Cooling Technologies, Inc. | Lancaster, Pennsylvania | Visit site |
| Advanced Energy Group | Chicago, Illinois | Visit site |
| Advanced Green Technologies | Fort Lauderdale, Florida | Visit site |
| Advanced Ionics | Milwaukee, Wisconsin | Visit site |
| Advanced Manufacturing Technology, Inc | Lynchburg, Virginia | Visit site |
| Advanced Roofing | Fort Lauderdale, Florida | Visit site |
| Advanced Solar Cleaning | Truckee, California | Visit site |
| Advanced Solar Products | Flemington, New Jersey | Visit site |
| Advanced Solar Solutions | Bass Lake, California | Visit site |
| Advanced Test Equipment Rentals | San Diego, California | Visit site |
| Advanced Thermal Solutions, Inc. | Norwood, Massachusetts | Visit site |
| Advanced United Systems-AUS | Al-Riyadh, Riyadh | Visit site |
| Advantek Waste Management Services LLC | Houston, Texas | Visit site |
| Advent Technologies Holdings, Inc. | Livermore, California | Visit site |
| Adyasolar | West Java | Visit site |
| Aegeus Technologies Private Limited | Bengaluru, Karnataka | Visit site |
| Aegis Automation India Pvt. Ltd. | Secunderabad, Telangana | Visit site |
| Aegis Critical Energy Defence Corp. | Vancouver, British Columbia | Visit site |
| Aemifesa - Aemifesa Formació | Badalona, Barcelona | Visit site |
| Aendless Energy | Steenwijk, Overijssel | Visit site |
| Aerial PV Inspection GmbH | Aachen, North Rhine-Westphalia | Visit site |
| Aerisoul | Šahy, Nitra | Visit site |
| Aero Performance Group | Chicago, Illinois | Visit site |
| Aertssen Machinery Services | Abu Dhabi, Abu Dhabi | Visit site |
| Aesthetic Green Power | Poughkeepsie, New York | Visit site |
| Aether Fuels | Chicago, Illinois | Visit site |
| Affordable Wire Management | Phoenix, Arizona | Visit site |
| Afore New Energy | Shanghai, Shanghai | Visit site |
| Africa Finance Corporation | Lagos, Lagos | Visit site |
| Africa Resilience Investment Accelerator (ARIA) | London, England | Visit site |
| African Energy | Bexhill-on-Sea, England | Visit site |
| African Infrastructure Investment Managers (AIIM) | Cape Town, Western Cape | Visit site |
| Ag Solar Solutions | Hinesville, Georgia | Visit site |
| Agence Sénégalaise d’Electrification Rurale | Dakar, Dakar | Visit site |
| Agentis Electric Ltd | Guelph, Ontario | Visit site |
| Agon Partners LLC | East St. Louis, Illinois | Visit site |
| AgroSolar Europe | Berlin, Berlin | Visit site |
| Ahrens | Kingsford, South Australia | Visit site |
| Ai-Bess | Hangzhou Shi, Zhejiang | · |
| Aim Dynamics, Inc | Longmont, Colorado | Visit site |
| Air Comfort | Broadview, Illinois | Visit site |
| AirMyne | South Lake Tahoe, California | Visit site |
| Airosmith Development | Saratoga Springs, New York | Visit site |
| Airovation Technologies | Modiin-Maccabim-Reut, Central District | Visit site |
| Airthium | Les Loges-en-Josas, Yvelines | Visit site |
| Aither Systems | · | Visit site |
| Akaysha Energy | Melbourne, Victoria | Visit site |
| Aker Horizons | Lysaker, Akershus | Visit site |
| Aker Solutions | Fornebu, Akershus | Visit site |
| Akrion Technologies Inc. | Allentown, Pennsylvania | Visit site |
| Akshar Group of Company | Bhuj, Gujarat | Visit site |
| Aktor Group | Athina, Attica | Visit site |
| Al Darwish Engineering W.L.L. | Doha, Doha | Visit site |
| Al Geemi Contracting Co. L.L.C | Abu Dhabi, Abu Dhabi | Visit site |
| Al Jaber Engineering W.L.L | Doha, Doha | Visit site |
| Al Khayam Al Arabiah Tents & Sheds | Sharjah, Sharjah | Visit site |
| Al Mada Ventures | Casablanca, Casablanca-Settat | Visit site |
| Al Masaood | Abu Dhabi, Abu Dhabi | Visit site |
| Al-Babtain Metalogalva Solar | Ad Dammam, Eastern | Visit site |
| Al-Babtain Power & Telecom | Al-Riyadh, Riyadh | Visit site |
| Alagöz Holding | Yenimahalle, Ankara | Visit site |
| Alam Flora Sdn Bhd | Shah Alam, Selangor | Visit site |
| Alam Sekitar Malaysia Sdn Bhd | Shah Alam, Selangor | Visit site |
| Alantra | Madrid, Madrid | Visit site |
| Alarga Yenilenebilir Enerji / Alarga Renewables | Ataşehir, Istanbul | Visit site |
| Albat | Sacramento, California | Visit site |
| Albedo Solar | Panajachel, Sololá | Visit site |
| Alberici Constructors | Overland, Missouri | Visit site |
| Albireo Energy | Edison, New Jersey | Visit site |