| 1 | WAB | Westinghouse Air Brake Technologies Corporation | 6.23% |
| 2 | PNR | Pentair plc | 5.77% |
| 3 | EPA: VIE | Veolia Environnement SA | 5.68% |
| 4 | XYL | Xylem Inc. | 5.66% |
| 5 | AWK | American Water Works Company, Inc. | 5.42% |
| 6 | SW | Smurfit Westrock Plc | 5.35% |
| 7 | TSX: STN | Stantec Inc. | 4.39% |
| 8 | CLH | Clean Harbors, Inc. | 4.16% |
| 9 | CNM | Core & Main, Inc. | 3.85% |
| 10 | LON: UU | United Utilities Group PLC | 3.77% |
| 11 | BVMF: SBSP3 | Companhia de Saneamento Básico do Estado de São Paulo - SABESP | 3.50% |
| 12 | LON: SVT | Severn Trent PLC | 3.46% |
| 13 | TTEK | Tetra Tech, Inc. | 3.41% |
| 14 | WTRG | Essential Utilities, Inc. | 3.39% |
| 15 | WMS | Advanced Drainage Systems, Inc. | 2.86% |
| 16 | BMI | Badger Meter, Inc. | 2.55% |
| 17 | WTS | Watts Water Technologies, Inc. | 2.36% |
| 18 | TYO: 7701 | Shimadzu Corporation | 2.21% |
| 19 | SGX: BS6 | Yangzijiang Shipbuilding (Holdings) Ltd. | 1.64% |
| 20 | FELE | Franklin Electric Co., Inc. | 1.40% |
| 21 | OSL: TOM | Tomra Systems ASA | 1.36% |
| 22 | AMS: ARCAD | Arcadis NV | 1.32% |
| 23 | MWA | Mueller Water Products, Inc. | 1.31% |
| 24 | TYO: 5332 | TOTO LTD. | 1.31% |
| 25 | STO: SWEC.B | Sweco AB (publ) | 1.21% |
| View EFRA holdings |