| 1 | Hitachi Zosen Corporation |
| 2 | Function International Public Company Limited |
| 3 | BioRem Inc. |
| 4 | Amanasu Environment Corporation |
| 5 | TransAct Energy Corp. |
| 6 | Aduro Clean Technologies Inc. |
| 7 | EESTech, Inc. |
| 8 | MYCELX Technologies Corporation |
| 9 | Pyrum Innovations AG |
| 10 | Thermal Energy International Inc. |
| 11 | Kelin Environmental Protection Equipment, Inc. |
| 12 | Phoslock Environmental Technologies Limited |
| 13 | Global Water Technologies, Inc. |
| 14 | Questor Technology Inc. |
| 15 | Airtouch Solar Ltd |
| 16 | China Conch Venture Holdings Limited |
| 17 | Umicore SA |
| 18 | Environmental Clean Technologies Limited |
| 19 | Beyond Medical Technologies Inc. |
| 20 | Penyao Environmental Protection Co., Ltd. |
| 21 | ClearSign Technologies Corporation |
| 22 | Sharc International Systems Inc. |
| 23 | East Morgan Holdings, Inc. |
| 24 | Fuquan Capital Management, Inc. |
| 25 | Sparta Capital Ltd. |
| 26 | Sunrise Energy Metals Limited |
| 27 | Osmosun S.A. |
| 28 | Canmax Technologies Co., Ltd. |
| 29 | Environmental Waste International Inc. |
| 30 | Banka BioLoo Limited |
| 31 | Sionix Corp. |
| 32 | Wolftank-Adisa Holding AG |
| 33 | Atmus Filtration Technologies Inc. |
| 34 | Takuma Co., Ltd. |
| 35 | Eco Safe Systems USA, Inc. |
| 36 | Vow ASA |
| 37 | MPM Technologies, Inc. |
| 38 | Seychelle Environmental Technologies, Inc. |
| 39 | LiqTech International, Inc. |
| 40 | PCT Ltd |
| 41 | Dundee Sustainable Technologies Inc. |
| 42 | Hangzhou Chuhuan Science & Technology Company Limited |
| 43 | Dundee Sustainable Technologies Inc. |
| 44 | Wolftank-Adisa Holding AG |
| 45 | Sino Bioenergy Corp. |
| 46 | Aeris Environmental Ltd |
| 47 | Umicore SA |
| 48 | Zhejiang Tuna Environmental Science & TechnologyCo.,Ltd. |
| 49 | METAWATER Co., Ltd. |
| 50 | Atmofizer Technologies Inc. |
| 51 | Beyond Medical Technologies Inc. |
| 52 | K.B. Recycling Industries Ltd. |
| 53 | CO2 Solutions Inc. |
| 54 | METAWATER Co., Ltd. |
| 55 | Shanghai Sheng Jian Environment Technology Co., Ltd. |
| 56 | Greenlane Renewables Inc. |
| 57 | Aker Carbon Capture ASA |
| 58 | 374Water, Inc. |
| 59 | Current Water Technologies Inc. |
| 60 | Anhui Yuanchen Environmental Protection Science&Technology Co.,Ltd. |
| 61 | Envipco Holding N.V. |
| 62 | UV Germi SA |
| 63 | Molekule Group, Inc. |
| 64 | Saxlund Group AB (publ) |
| 65 | VOW ASA |
| 66 | Dr. Foods, Inc. |
| 67 | Active Energy Group Plc |
| 68 | Energy and Water Development Corp. |
| 69 | Umicore SA |
| 70 | Porvair plc |
| 71 | Shanghai Emperor of Cleaning Hi-Tech Co., Ltd |
| 72 | Nihon Trim Co., Ltd. |
| 73 | CirChem AB (publ) |
| 74 | FULONGMA GROUP Co.,Ltd. |
| 75 | EAU Technologies, Inc. |
| 76 | Waterco Limited |
| 77 | Go Green Global Technologies Corp. |
| 78 | Pacific Green Technologies Inc. |
| 79 | Takuma Co., Ltd. |
| 80 | China Energy Recovery, Inc. |
| 81 | Sunrise Energy Metals Limited |
| 82 | Active Energy Group Plc |
| 83 | Filter Vision Public Company Limited |
| 84 | Munters Group AB (publ) |
| 85 | Shanghai CEO Environmental Protection Technology Co., Ltd |
| 86 | Unibios Holdings S.A. |
| 87 | The Environmental Group Limited |
| 88 | Amiad Water Systems Ltd. |
| 89 | Thermal Energy International Inc. |
| 90 | Questor Technology Inc. |
| 91 | Midwest Energy Emissions Corp. |
| 92 | Maezawa Industries, Inc. |
| 93 | Zurn Elkay Water Solutions Corporation |
| 94 | Sharc International Systems Inc. |
| 95 | BactiQuant A/S |
| 96 | Runner (Xiamen) Corp. |
| 97 | Grupo Rotoplas S.A.B. de C.V. |
| 98 | Energy Recovery, Inc. |
| 99 | Hebei Sailhero Environmental Protection High-tech Co.,Ltd |
| 100 | Megola, Inc. |
| 101 | De.mem Limited |
| 102 | TOMI Environmental Solutions, Inc. |
| 103 | Renovare Environmental, Inc. |
| 104 | Global Ecology Corporation |
| 105 | KC Cottrell Co., Ltd. |
| 106 | Pan Asia Environmental Protection Group Limited |
| 107 | GreenChek Technology Inc. |
| 108 | Fujian Longking Co., Ltd. |
| 109 | Envipco Holding N.V. |
| 110 | Rainmaker Worldwide Inc. |
| 111 | Water Technologies International, Inc. |
| 112 | Delta CleanTech Inc. |
| 113 | China Ecotek Corporation |
| 114 | Federal Signal Corporation |
| 115 | GVS S.p.A. |
| 116 | Zhejiang Tengy Environmental Technology Co., Ltd |
| 117 | Messaben Corp. |
| 118 | Cscec Scimee Sci.&Tech. Co.,Ltd |
| 119 | PureCycle Technologies, Inc. |
| 120 | Premier Products Public Company Limited |
| 121 | Fluence Corporation Limited |
| 122 | Appulse Corporation |
| 123 | Gel S.p.A. |
| 124 | Fluence Corporation Limited |
| 125 | Robix Environmental Technologies, Inc. |
| 126 | Zhejiang Goldensea Hi-Tech Co., Ltd |
| 127 | Tanke, Inc. |
| 128 | XcelPlus International, Inc. |
| 129 | Mitsubishi Kakoki Kaisha, Ltd. |
| 130 | Tsukishima Kikai Co., Ltd. |
| 131 | Niutech Environment Technology Corporation |
| 132 | Bion Environmental Technologies, Inc. |
| 133 | Hitachi Zosen Corporation |
| 134 | Sparta Capital Ltd. |
| 135 | Porvair plc |
| 136 | BioRem Inc. |
| 137 | Shenwu Energy Saving Co., Ltd. |
| 138 | Aker Carbon Capture ASA |
| 139 | Eco-Tek Holdings Limited |
| 140 | Puration, Inc. |
| 141 | Evoqua Water Technologies Corp. |
| 142 | Smave Solutions Inc. |
| 143 | Denox Environmental & Technology Holdings Limited |
| 144 | Canature Health Technology Co., Ltd. |
| 145 | UV Flu Technologies, Inc. |
| 146 | LifeQuest World Corporation |
| 147 | Central Plains Environment Protection Co.,Ltd. |
| 148 | Environmental Waste International Inc. |
| 149 | K.B. Recycling Industries Ltd. |
| 150 | Super Dragon Technology Co., Ltd |
| 151 | Resqunit AB (publ) |
| 152 | Grupo Rotoplas S.A.B. de C.V. |
| 153 | SW Umwelttechnik Stoiser & Wolschner AG |
| 154 | Kurita Water Industries Ltd. |
| 155 | GME Innotainment, Inc. |
| 156 | Aduro Clean Technologies Inc. |
| 157 | Kurita Water Industries Ltd. |
| 158 | Delta CleanTech Inc. |
| 159 | Current Water Technologies Inc. |
| 160 | Quest Water Global, Inc. |
| 161 | Kurita Water Industries Ltd. |
| 162 | CECO Environmental Corp. |
| 163 | China Boqi Environmental (Holding) Co., Ltd. |
| 164 | Greenfiltec Ltd. |
| 165 | PureCycle Technologies, Inc. |
| 166 | Ebara Jitsugyo Co.,Ltd. |
| 167 | KC Green Holdings Co., Ltd. |
| 168 | Atmofizer Technologies Inc. |
| 169 | Greenbelt Resources Corporation |
| 170 | Jingjin Equipment Inc. |
| 171 | Euro Tech Holdings Company Limited |
| 172 | Advanced Emissions Solutions, Inc. |
| 173 | Organo Corporation |
| 174 | Kronos Advanced Technologies Inc. |
| 175 | Wuxi Delinhai Environmental Technology Co., Ltd. |
| 176 | Fuel Tech, Inc. |
| 177 | GSD Technologies Co., Ltd. |
| 178 | EnviroTechnologies International, Inc |
| 179 | Ion Exchange (India) Limited |
| 180 | QleanAir AB (publ) |
| 181 | Greenlane Renewables Inc. |