| Cia de Saneamento Basico do Estado de Sao Paulo SABESP | 13,268,760 | 88.3M $ | 8.52 % |
| American Water Works Co Inc | 614,116 | 78.9M $ | 7.61 % |
| Xylem Inc/NY | 654,333 | 77.3M $ | 7.46 % |
| Essential Utilities Inc | 1,555,232 | 59.4M $ | 5.74 % |
| Veralto Corp | 616,121 | 54.3M $ | 5.25 % |
| United Utilities Group PLC | 2,485,054 | 49.2M $ | 4.75 % |
| Severn Trent PLC | 1,047,525 | 46.5M $ | 4.49 % |
| Ecolab Inc | 152,850 | 39.8M $ | 3.85 % |
| Advanced Drainage Systems Inc | 237,114 | 35.4M $ | 3.42 % |
| Geberit AG | 52,187 | 35.2M $ | 3.40 % |
| Watts Water Technologies Inc | 90,731 | 27.2M $ | 2.63 % |
| Zurn Elkay Water Solutions Corp | 491,155 | 25.5M $ | 2.46 % |
| American States Water Co | 329,851 | 24.8M $ | 2.40 % |
| Core & Main Inc | 468,458 | 23.6M $ | 2.28 % |
| Pentair PLC | 270,748 | 21.9M $ | 2.11 % |
| California Water Service Group | 507,606 | 21.4M $ | 2.07 % |
| Kurita Water Industries Ltd | 353,702 | 19.1M $ | 1.84 % |
| H2O America | 318,245 | 17.9M $ | 1.73 % |
| Cia de Saneamento de Minas Gerais Copasa MG | 1,619,700 | 17.6M $ | 1.70 % |
| Cia De Sanena Do Parana | 2,059,946 | 16.8M $ | 1.62 % |
| Select Water Solutions Inc | 960,291 | 16.1M $ | 1.55 % |
| Pennon Group PLC | 2,005,390 | 15M $ | 1.45 % |
| Belimo Holding AG | 16,282 | 14.9M $ | 1.44 % |
| Mueller Water Products Inc | 517,578 | 14.4M $ | 1.39 % |
| Franklin Electric Co Inc | 126,708 | 12.7M $ | 1.23 % |
| Badger Meter Inc | 97,464 | 11.8M $ | 1.14 % |
| YTL Power International Bhd | 11,837,000 | 11.4M $ | 1.10 % |
| Aalberts NV | 246,604 | 9.4M $ | 0.90 % |
| Beijing Enterprises Water Group Ltd | 26,312,939 | 9.3M $ | 0.90 % |
| Organo Corp | 84,355 | 8.5M $ | 0.82 % |
| Middlesex Water Co | 156,220 | 7.9M $ | 0.77 % |
| Georg Fischer AG | 127,568 | 7M $ | 0.67 % |
| VA Tech Wabag Ltd | 387,577 | 6.2M $ | 0.60 % |
| Otter Tail Corp | 69,350 | 6.2M $ | 0.60 % |
| Hawkins Inc | 34,594 | 5.8M $ | 0.56 % |
| Interpump Group SpA | 133,356 | 5.6M $ | 0.54 % |
| TETRA Technologies Inc | 570,052 | 5.4M $ | 0.52 % |
| Sulzer AG | 28,358 | 5.4M $ | 0.52 % |
| Wienerberger AG | 181,264 | 5.3M $ | 0.51 % |
| Gorman-Rupp Co/The | 68,825 | 5.2M $ | 0.50 % |
| Coway Co Ltd | 86,903 | 5.1M $ | 0.49 % |
| Astral Ltd | 306,890 | 5M $ | 0.48 % |
| Supreme Industries Ltd | 107,036 | 4.1M $ | 0.40 % |
| Consolidated Water Co Ltd | 127,715 | 4.1M $ | 0.40 % |
| Kemira Oyj | 188,783 | 3.9M $ | 0.38 % |
| Lindsay Corp | 34,547 | 3.9M $ | 0.37 % |
| AlKhorayef Water & Power Technologies Co | 109,424 | 3.7M $ | 0.36 % |
| Kitz Corp | 263,348 | 3.5M $ | 0.34 % |
| PILLAR Corp /Japan | 56,012 | 3.3M $ | 0.32 % |
| Tsukishima Holdings Co Ltd | 160,472 | 3.2M $ | 0.31 % |
| NWPX Infrastructure Inc | 31,756 | 3.1M $ | 0.30 % |
| Montrose Environmental Group Inc | 139,813 | 2.9M $ | 0.28 % |
| Power & Water Utility Co for Jubail & Yanbu | 319,023 | 2.9M $ | 0.28 % |
| Nomura Micro Science Co Ltd | 107,302 | 2.5M $ | 0.24 % |
| Chengdu Xingrong Environment Co Ltd | 2,031,200 | 2.1M $ | 0.20 % |
| Cadiz Inc | 473,787 | 2.1M $ | 0.20 % |
| Energy Recovery Inc | 175,042 | 1.9M $ | 0.19 % |
| Zhongshan Public Utilities Group Co Ltd | 1,004,100 | 1.7M $ | 0.17 % |
| Beijing Capital Eco-Environment Protection Group Co Ltd | 3,747,500 | 1.7M $ | 0.16 % |
| Kuo Toong International Co Ltd | 992,000 | 1.6M $ | 0.15 % |
| Amata Corp PCL | 2,397,147 | 1.5M $ | 0.15 % |
| Beijing Originwater Technology Co Ltd | 2,467,000 | 1.4M $ | 0.14 % |
| Jiangxi Hongcheng Environment Co Ltd | 655,600 | 986.6K $ | 0.10 % |
| Jindal Saw Ltd | 380,378 | 897.4K $ | 0.09 % |
| China Lesso Group Holdings Ltd | 1,434,746 | 853.2K $ | 0.08 % |
| Kurimoto Ltd | 83,560 | 809.2K $ | 0.08 % |
| Jingjin Equipment Inc | 152,400 | 418.5K $ | 0.04 % |