Water Treatment Stocks
Engineered filtration and fluid management systems provide critical infrastructure for industrial processing, municipal sanitation, and resource recovery. Revenue models rely on a mix of long-term capital equipment cycles and high-margin recurring sales of consumables like membranes, chemicals, and specialized sensors.
As of Oct 23, 2026, Water Treatment has 76 US-listed companies worth $444B combined. The median member moved +0.3% over the past week; BMI led among the 25 largest at +19.6% and TPL trailed at -3.6%.
Companies in Water Treatment
- ECL – Ecolab Inc, $81.9B
- AWK – American Water Works, $28.4B
- VLTO – Veralto Corporation, $25.6B
- XYL – Xylem Inc, $24.8B
- TPL – Texas Pacific Land Corporation, $23B
- SBS – Companhia de Saneamento Basico do Estado de Sao Paulo SABESP ADR, $22B
- ENTG – Entegris Inc, $19.5B
- WES – Western Midstream Partners LP, $18.4B
- DD – Dupont De Nemours Inc, $18.2B
- CLH – Clean Harbors Inc, $16.9B
- GFL – Gfl Environmental Holdings Inc, $15.7B
- WTS – Watts Water Technologies Inc, $11.9B
- WTRG – Essential Utilities Inc, $11.6B
- WMS – Advanced Drainage Systems Inc, $9.8B
- TTEK – Tetra Tech Inc, $8.9B
- PNR – Pentair PLC, $8.8B
- AOS – Smith AO Corporation, $8.1B
- ZWS – Zurn Elkay Water Solutions Corporation, $8.1B
- CNM – Core & Main Inc, $7.8B
- STN – Stantec Inc, $7.8B
- PRMB – Primo Brands Corporation, $7.3B
- FELE – Franklin Electric Co Inc, $4.4B
- ITRI – Itron Inc, $3.9B
- BMI – Badger Meter Inc, $3.8B
- WBI – WaterBridge Infrastructure LLC, $3.7B
- CECO – CECO Environmental Corp., $3.4B
- MWA – Mueller Water Products, $3.4B
- AWR – American States Water Company, $3.3B
- KAI – Kadant Inc, $3.2B
- EFXT – Enerflex Ltd., $3B
- CWT – California Water Service Group, $2.9B
- HWKN – Hawkins Inc, $2.8B
- HAYW – Hayward Holdings Inc, $2.7B
- WTTR – Select Energy Services Inc, $2.5B
- HTO – H2O America, $2.5B
- NWN – Northwest Natural Gas Co, $2.1B
- NGL – NGL Energy Partners LP, $1.9B
- GRC – Gorman-Rupp Company, $1.9B
- LNN – Lindsay Corporation, $1.1B
- MSEX – Middlesex Water Company, $1B
- NWPX – NWPX Infrastructure, Inc., $941M
- TTI – Tetra Technologies Inc, $888M
- YORW – The York Water Company, $504M
- CWCO – Consolidated Water Co Ltd, $486M
- ONT – Onterris, $446M
- ARTNA – Artesian Resources Corporation, $346M
- ERII – Energy Recovery Inc, $345M
- CDZI – Cadiz Inc, $323M
- PCYO – Pure Cycle Corporation, $270M
- AIRJ – AirJoule Technologies Corporation, $265M
- GWRS – Global Water Resources Inc, $232M
- HUHU – HUHUTECH International Group Inc. Ordinary Shares, $128M
- ACNT – Ascent Industries Co, $125M
- SHIM – Shimmick Corporation Common Stock, $107M
- VIOT – Viomi Technology ADR, $103M
- ARQ – Arq Inc, $91.9M
- TERS – Tersis Technologies Inc., $53.3M
- FTEK – Fuel Tech Inc, $51.8M
- ZONE – Zone Frontier Inc, $48.3M
- SLND – Southland Holdings, Inc., $43.9M
- SCWO – 374Water Inc. Common Stock, $43.1M
- BCHT – Birchtech Corp., $37.1M
- NEPH – Nephros Inc, $34.8M
- PFAI – Pinnacle Food Group Limited Class A Common Shares, $29.8M
- LIQT – LiqTech International Inc, $13.4M
- WXM – WF International Limited Ordinary Shares, $11.1M
- CLWT – Euro Tech Holdings Company Ltd, $9.9M
- JBDI – JBDI Holdings Limited Ordinary Shares, $9.1M
- JCSE – JE Cleantech Holdings Ltd, $7.7M
- WFF – WF Holding Limited Ordinary Shares, $4.5M
- NCRA – Nocera Inc, $4.3M
- CDTG – CDT Environmental Technology Investment Holdings Limited ordinary shares, $3.7M
- DXST – Decent Holding Inc Ordinary Shares, $3.2M
- NUWE – Nuwellis Inc, $2M
- MDLK – ModuLink Inc., $1.6M
- CRKN – Crown Electrokinetics Corp., $18,251