| NABCEP | Clifton Park, New York | Visit site |
| NANOPLUME | Cambridge, England | Visit site |
| NASH ENERGY (I) PVT LTD | Bengaluru, Karnataka | Visit site |
| NATURAL HYDROGEN ENERGY LLC | Denver, Colorado | Visit site |
| NC Clean Energy Technology Center | Raleigh, North Carolina | Visit site |
| NC13 Industries Ltd | Benfleet, England | Visit site |
| NEASE | Blue Ash, Ohio | Visit site |
| NEEW Ventures | Berlin, Berlin | Visit site |
| NEI Corporation | Somerset, New Jersey | Visit site |
| NEI Electric Power Engineering, Inc. | Lakewood, Colorado | Visit site |
| NEM Energy Group | Zoeterwoude, South Holland | Visit site |
| NEMA Solar Construction AB | Stockholm, Stockholm | Visit site |
| NEOM | Al Sa'adi, Ras Al Khaimah | Visit site |
| NEOS Advisory | Long Beach, California | Visit site |
| NERA | New York, New York | Visit site |
| NESSTEC Energy & Surface Technologies A.S. | Serdivan, Sakarya | Visit site |
| NEU Battery Materials | Singapore, Central Singapore Community Development Council | Visit site |
| NEXT COOLING | Mendrisio, Ticino | Visit site |
| NEXTWIND | Sevilla, Seville | Visit site |
| NGC Testing Services | Buffalo, New York | Visit site |
| NGE - BTP | Saint-Étienne-du-Grès, Bouches-du-Rhône | Visit site |
| NGE Industrial Automation | Pendergrass, Georgia | Visit site |
| NGH New Generation House | Osimo, Ancona | Visit site |
| NHOA Energy | Milano, Milan | Visit site |
| NIP do Brasil | Vitória, Espírito Santo | Visit site |
| NIRAS International Consulting | København, Capital Region of Denmark | Visit site |
| NJ Sullivan | Manassas, Virginia | Visit site |
| NKT | Brøndby, Capital Region of Denmark | Visit site |
| NMi | Delft, South Holland | Visit site |
| NOF | Durham, England | Visit site |
| NORECS AS | Oslo, Oslo | Visit site |
| NORESCO | Westborough, Massachusetts | Visit site |
| NOV | Houston, Texas | Visit site |
| NOVA Electronic Materials, LLC | Flower Mound, Texas | Visit site |
| NOVOLECS | Saint-Augustin-de-Desmaures, Quebec | Visit site |
| NPS Solar | Oldham, England | Visit site |
| NRG Project & Storage | Ksawerów, Łódź Voivodeship | Visit site |
| NRG Systems | Hinesburg, Vermont | Visit site |
| NSF EPC | Rochester, New York | Visit site |
| NSI Industries | Huntersville, North Carolina | Visit site |
| NSW Department of Climate Change, Energy, the Environment and Water | Sydney, New South Wales | Visit site |
| NTC POWER | Tunis, Tunis | Visit site |
| NTC-Systems | Landsberg am Lech, Bavaria | Visit site |
| NTEK SYSTEM Co., Ltd. | Yongin-si, Gyeonggi-do | Visit site |
| NTR plc | Dundrum, County Dublin | Visit site |
| NUWARD | Düsseldorf, North Rhine-Westphalia | Visit site |
| NV5 Geospatial | St. Petersburg, Florida | Visit site |
| NVIDIA | Santa Clara, California | Visit site |
| NW | Paris, Île-de-France | Visit site |
| NXP Semiconductors | Eindhoven, North Brabant | Visit site |
| NXT GmbH | Heinsberg, North Rhine-Westphalia | Visit site |
| NXT Grid | Amsterdam, North Holland | Visit site |
| NXTGEN Energy Limited | Rayleigh, England | Visit site |
| NY Green Bank | New York, New York | Visit site |
| NYSERDA | Albany, New York | Visit site |
| NZ Electrical Solutions | Nelson, Nelson | Visit site |
| Nacap Pty Ltd | Melbourne, Victoria | Visit site |
| Nachhaltigkeit.Ruhr | Bochum, North Rhine-Westphalia | Visit site |
| Nak Kablo | · | Visit site |
| Namibia Green Hydrogen Programme | Khomasdal, Khomas | Visit site |
| Namkoo Power | Fuoshan Shi, Guangdong | Visit site |
| Namo eWaste Management Ltd. | Faridabad, Haryana | Visit site |
| Nan, Inc. | Honolulu, Hawaii | Visit site |
| Nandan Petrochem Limited | Mumbai, Maharashtra | Visit site |
| Nanjing First Energy Co. Ltd | New Delhi, Delhi | Visit site |
| NanoChronia | Barcelona, Barcelona | Visit site |
| NanoPV Solar | Ewing, New Jersey | Visit site |
| NanoSieve | Miami, Florida | Visit site |
| Nanosys | Milpitas, California | Visit site |
| Nantong Lock Fasterner Manufacturing Co.,Ltd. | Nantong, Jiangsu Province | Visit site |
| Nantong Sanxin Plastics Equipment Technology Co., LTD | Qidong City, Jiangsu Province | Visit site |
| Naqsh (نقش) | Al-Riyadh, Riyadh | Visit site |
| Narada | Hangzhou Shi, Zhejiang | Visit site |
| Nation Laboratory of the Rockies | Golden, Colorado | Visit site |
| National Conductor Inc. | Pequot Lakes, Minnesota | Visit site |
| National Electrical Contractors Association (NECA) | Washington, District of Columbia | Visit site |
| National Renewable Energy Corporation | Charlotte, North Carolina | Visit site |
| National Renewable Energy Laboratory | Golden, Colorado | Visit site |
| National Safety Apparel | Cleveland, Ohio | Visit site |
| National Solar Energy Group | Sydney, New South Wales | Visit site |
| National Solar Systems Company | Al Kharj, Riyadh | Visit site |
| National Treasury Management Agency | Dublin, Dublin | Visit site |
| Nationwide Energy Partners | Columbus, Ohio | Visit site |
| NativeSeed Group | Montana | Visit site |
| Natixis Corporate & Investment Banking | Paris, Île-de-France | Visit site |
| Natixis Investment Managers | Boston, Massachusetts | Visit site |
| Natrion Inc. | Conklin, New York | Visit site |
| Natura Resources | Abilene, Texas | Visit site |
| Natural Power | Saratoga Springs, NY | Visit site |
| Nature Energy | Odense, Southern Denmark | Visit site |
| Naturel Holding | London, England | Visit site |
| Naturelek | Energía e Ingeniería | Derio, Biscay | Visit site |
| Naturgy | Madrid, Madrid | Visit site |
| Nav Solar Power | Noida, Uttar Pradesh | Visit site |
| Naval Facilities Engineering Systems Command (NAVFAC) | Washington, District of Columbia | Visit site |
| Navigate Power | Chicago, Illinois | Visit site |
| Navisun | Hull, Massachusetts | Visit site |
| Navitas Semiconductor | Torrance, California | Visit site |
| Navocean | Rio de Janeiro, Rio de Janeiro | Visit site |
| Nawal Analytical Labs India Private Limited | Dindigul, Tamil Nadu | Visit site |
| Nayak Corporation | Hamilton, New Jersey | Visit site |
| NeXuma | Miami, Florida | Visit site |
| Nebbo | Barcelona, Barcelona | Visit site |
| Nebraska Wind & Solar Conference | Lincoln, Nebraska | Visit site |
| NedZero - Wind Energy Association | Utrecht, Utrecht | Visit site |
| Nederlandse Vereniging Duurzame Energie (NVDE) | Utrecht, Utrecht | Visit site |
| Nedstack Fuel Cell Technology | Arnhem, Gelderland | Visit site |
| Nemo Nanomaterials | Petah Tikva, Central District | Visit site |
| Neo Energy Group | Warszawa, Masovian Voivodeship | Visit site |
| Neo Energy Storage Ltd (UK) | London, England | Visit site |
| NeoGreen Power | Bengaluru, Karnataka | Visit site |
| NeoVolta | Poway, California | Visit site |
| Neogy | Mérignac, Gironde | Visit site |
| Neolith Integrated Circuits | Boston, Massachusetts | Visit site |
| Neon Cables | Rajkot, Gujarat | Visit site |
| Nergietech RDC | Kinshasa, Kinshasa | Visit site |
| Nerosolar Energía Solar SL | Paterna, Valencia | Visit site |
| Nessa Illumination Technologies Pvt Ltd | Ahmedabad, Gujarat | Visit site |
| Net Zero Asset Finance Limited | London, England | Visit site |
| NetZero | Paris, Île-de-France | Visit site |
| Netra Power | Genève, Geneva | Visit site |
| Neubau Energy | Mill Valley, California | Visit site |
| Nevada Battery Coalition | Reno, Nevada | Visit site |
| Nevada Governor's Office of Economic Development (GOED) | Carson City, Nevada | Visit site |
| New Energy Blue, LLC | Lancaster, Pennsylvania | Visit site |
| New Energy New York | Endicott, New York | Visit site |
| New Energy Solutions | Belgrade, Belgrade | Visit site |
| New Era Electric LLC | San Marcos, California | Visit site |
| New Generation Energy & Environment | Hoboken, New Jersey | Visit site |
| New Project Media (NPM) | Princeton, New Jersey | Visit site |
| New River Electrical Corporation | Cloverdale, VA | Visit site |
| New Sun Road | Richmond, California | Visit site |
| New Use Energy Solutions, INC | Phoenix, Arizona | Visit site |
| New York City Environmental Justice Alliance | New York, New York | Visit site |
| NewALERT | Souda, Crete | Visit site |
| Newbridge Advisors LLP | London, England | Visit site |
| Newlight Energy | Bay Area, California | Visit site |
| Newport Power | San Clemente, California | Visit site |
| Newpowa | Ontario, California | Visit site |
| NexGen Wafer Systems | Singapore, Central Singapore Community Development Council | Visit site |
| Nexans | · | Visit site |
| Nexperia | Nijmegen, Gelderland | Visit site |
| Next Carbon Trading | Aguascalientes, Aguascalientes | Visit site |
| Next Fabrication | Risskov, Central Denmark | Visit site |
| Next Generation Renewable Energy -Powered by OVO | Oxford, England | Visit site |
| Next Green Group | Melbourne, Victoria | Visit site |
| Next Solar | بيروت, Beirut | Visit site |
| Next Wave Energy Monitoring | Escondido, California | Visit site |
| NextEnergy | Detroit, Michigan | Visit site |
| NextEra Energy Resources | Juno Beach, Florida | Visit site |