Company
Sector
Country 1 2G Energy Combined heat and power plants Germany * 2 7C Solarparken Solar park operator Belgium, Germany 3 ABB Power engineering, automation, robotics Switzerland 4 Abbott Laboratories Pharmacy USA * 5 ABO Wind Wind and solar park developer Germany 6 Accell Group Bicycles, e-bikes Netherlands 7 Acciona Conglomerate, e.g. construction and energy Spain 8 AFC Energy Alkaline fuel cell systems Great Britain 9 Air Liquide Industrial gases France 10 Air Products & Chemicals Industrial gases USA 11 Akasol Battery systems Germany 12 Alfen Electric grid, energy storage Netherlands * 13 Algonquin Power & Utilities Renewable energies, electric grid and water Canada 14 Allianz Insurances Germany 15 Alphabet (Google) Internet, technology USA 16 Arafura Resources Raw earth mining Australia 17 Ardagh Group Packaging glas, metal Luxembourg 18 Argosy Minerals Lithium mining Australia * 19 Arise Wind park operator Sweden 20 ASML UV-lithography for semiconductors Netherlands 21 AstraZeneca Pharmacy Great Britain, Sweden * 22 Atlantica Sustainable Infrastructure Renewable energies and electric grid Great Britain 23 Atlassian Team software Australia, Great Britain 24 Avantium Bioplastic Netherlands * 25 Azure Power Solar park operator India 26 Bakkafrost Fishery, salmon Faroe 27 Ballard Power Systems Hydrogen fuel cell producer Canada 28 Basler Industrial cameras Germany 29 BayWa Agriculture, energy, construction Germany 30 Bechtle IT system house Germany 31 Beyond Meat Plant-based food USA * 32 Boralex Renewable energies operator Canada * 33 Brookfield Renewable Partners Renewable energies operator, hydro, wind, solar Canada 34 BYD Rechargeable batteries, electromobility China 35 CAF (Construcciones y Auxiliar de Ferrocarriles) Trains, busses Spain * 36 Canadian Solar Photovoltaics producer, solar park developer Canada 37 Carbios Bioplastics, production, recycling and degradation France 38 Carl Zeiss Meditec Medical technology, optics Germany 39 Cell Impact Fuel cell flow plates Sweden 40 Centrotec Sustainable Building technology: heating, climate Germany 41 Centrotherm Plant manufacturer solar and semiconductors Germany 42 Ceres Power Solid oxide fuel cells Great Britain 43 Chr. Hansen Biotechnology, enzymes, food additives Denmark 44 Cisco Systems Telecommunication USA * 45 Clearway Energy Solar and wind park operator USA 46 Climeon Residual heat Sweden 47 Corbion Biochemistry Netherlands 48 DAQO New Energy Silicon, electrics, transport China 49 Dolby Laboratories Audio technology USA * 50 Edisun Power Solar park operator Switzerland * 51 EDP Renováveis Renewable energies operator, wind Portugal, Spain 52 EHang Electric aerial vehicles China 53 Elkem Chemistry, silicon and carbon Norway * 54 Ellomay Capital Solar park operator Israel 55 ElringKlinger Car component supplier Germany * 56 Encavis Solar and wind park operator Germany * 57 Energiekontor Project developer wind parks Germany * 58 Enphase Energy Photovoltaics, inverter producer USA * 59 Envision Solar Photovoltaic charging stations USA * 60 Eolus Wind power developer Sweden 61 FACC Aviation Austria * 62 Falck Renewables Renewable energies operator Italy * 63 First Solar Thin-film solar cells (CdTe) USA 64 FuelCell Energy Fuel cell producer USA * 65 GCL Poly Polysilicon, wafers, solar parks China * 66 Good Energy Renewable energies, carbon neutral gas Great Britain * 67 Greencoat UK Wind Wind park investor Great Britain * 68 Hannon Armstrong Sustainable Renewable energies operator USA 69 Havyard Group Shipbuilding Norway 70 Hazer Group Hydrogen and graphite production Australia 71 Hexagon Composites High-pressure gas storage tanks Norway * 72 Iberdrola Electricity producer Spain 73 Infineon Semiconductors, microchips Germany 74 Infosys Information technology India 75 Ingersoll-Rand Conglomerate, compressors, security systems Ireland * 76 Innergex Renewable energies operator Canada 77 Intel Microprocessors USA 78 Investor AB Holding company Sweden 79 ITM Power Hydrogen fuel cells Great Britain 80 Itron Energy and water management USA * 81 JinkoSolar Photovoltaics producer China 82 Kingfisher Retailing, Hardware Great Britain 83 Kingspan Building materials, insulation Ireland 84 Kuka Industrial roboters, engineering Germany, China 85 Kyocera Conglomerate Japan 86 l'Occitane Natural cosmetics Luxembourg 87 Landis+Gyr Energy management, electricity meters Switzerland 88 Legrand Electrical equipment France 89 Lenzing Natural fibers Austria 90 Linde Industrial gases Ireland 91 LION E-Mobility Electric energy storage, battery system technology Switzerland, Germany 92 Livent Lithium products USA * 93 Longyuan Power Electricity generation, especially wind power China 94 Manz Engineering, solar and electronics Germany 95 Mayr-Melnhof Cardboard boxes, packaging Austria 96 McPhy Hydrogen: fuel cells and storage France 97 Merck KGaA Pharmacy, special chemistry Germany * 98 Meyer Burger Photovoltaics producer, heterojunction technology Switzerland 99 Microsoft Software USA * 100 Midsummer Thin-film solar cells (CIGS) Sweden 101 Millennial Lithium Lithium mining Canada 102 Munich Re Reinsurance Germany 103 Nel Hydrogen production and storage Norway * 104 Neoen Operator solar parks, wind parks, energy storage France 105 Nexans Cable producer France * 106 NextEra Energy Energy, especially wind parks USA 107 Nidec Electric motors Japan 108 Nikola Motor Hydrogen and electric trucks USA 109 Nio Electric cars China 110 Niu Electric scooters China * 111 Nordex Wind turbine producer Germany 112 Nordic Mining Raw materials: titanium, lithium, quartz Norway * 113 Northland Power Renewable energies operator Canada 114 Novo Nordisk Pharmacy Denmark 115 Nvidia Graphics processing units USA 116 Nynomic Photonic, optic measuring Germany 117 Ökoworld (Oekoworld) Finances Germany * 118 Ormat Technologies Geothermal energy, energy recovery USA * 119 Orsted (Ørsted) Energy, offshore wind power Denmark 120 Panasonic Conglomerate Japan 121 Pearson Publisher, knowledge and education Great Britain 122 Philips Medical technology, electronic devices Netherlands 123 Plug Power Fuel cells, hydrogen USA * 124 PNE Wind Wind park developer and operator Germany 125 PotlatchDeltic Forestry USA 126 PowerCell Hydrogen fuel cell producer Sweden 127 Proton Motor Power Systems Hydrogen fuel cell producer Great Britain 128 PVA Tepla Hightech material processing Germany 129 REC Silicon Silicon producer Norway * 130 Renesola Solar project developer China * 131 RusHydro Energy utility, water and geothermal power Russia 132 Samsung SDI Batteries, electronics South Korea 133 SAP Business software Germany * 134 Savosolar Solar thermal energy Finland * 135 Scatec Solar Solar park operator Norway 136 Schneider Electric Automation, energy distribution France 137 SEB (Skandinaviska Enskilda Banken) Bank Sweden 138 SFC Energy Fuel cell producer Germany 139 SGL Carbon Carbon chemistry Germany 140 Sharp Electronics Japan 141 Siemens Technology Germany * 142 Siemens Gamesa Wind turbine producer Spain 143 Siltronic Silicon wafers Germany 144 Sims Metal Management Metal recycling Australia, USA 145 Singulus Technologies Engineering, semiconductors Germany 146 Skyworks Solutions Semiconductors for mobile communications USA * 147 SMA Solar Photovoltaics, inverter producer Germany * 148 SolarEdge Technologies Photovoltaics, inverter producer Israel * 149 Solaria Solar park operator Spain * 150 Solarpack Solar park operator Spain * 151 SolTech Integrated solar cells Sweden 152 Solvay Chemistry Belgium 153 Spartan Energy (Fisker) Electric cars USA 154 SQM (Sociedad Química y Minera) Mining of lithium and fertilizer minerals Chile 155 Standard Lithium Lithium mining Canada 156 Steelcase Office furniture USA 157 Steico Construction products Germany 158 Sto Construction materials Germany 159 Stora Enso Forestry Finland, Sweden 160 Storebrand Finances Norway 161 Suez Water, recycling France * 162 Sunnova Solar installation USA * 163 Sunpower Corporation Photovoltaics producer USA * 164 Sunrun Solar installation USA * 165 Sunworks Solar installation USA 166 Svenska Cellulosa (SCA) Forestry, wood processing Sweden 167 Symrise Ingredients, flavours and fragrances Germany 168 Synopsys Silicon design software USA * 169 Terna Energy Renewable energies operator Greece 170 Tesla Motors Electric cars, solar, energy storage USA 171 Tetra Tech Technical consulting: water, waste, renewables USA 172 Thermo Fisher Scientific Scientific devices USA 173 Tomra Systems Recycling, reverse vending machines Norway 174 Tortoise Acquisition (Hyliion) Powertrains for electric trucks USA * 175 TPI Composites Wind blades, materials USA 176 Trane Technologies Climate technology Ireland * 177 Transalta Renewables Renewable energies operator Canada 178 Umicore Metals, recycling Belgium 179 Umweltbank Bank Germany 180 Varta Batteries Germany 181 Veolia Environnement Water, waste, energy France * 182 Verbund Electricity supplier, hydrodynamic power Austria * 183 Vestas Wind Systems Wind turbine producer Denmark * 184 Vivint Solar Solar installation USA 185 Waste Management Environmental services, landfill gas USA 186 Western Forest Forestry Canada * 187 Xinjiang Goldwind Wind turbine producer China * 188 Xinyi Solar Glass for photovoltaics China 189 Xylem Water: processing, pumps, turbines USA