Pollution & Treatment Controls industry stocks

17 companies in the Pollution & Treatment Controls industry. 8 have a published intrinsic value and 1 trade at least 20% below it.

The median company in Pollution & Treatment Controls with a published value trades 57% above our estimate of intrinsic value.

Values as of the 22 Sept 2026 close.

Largest companies in Pollution & Treatment Controls

Veralto Corp (VLTO): slightly overvalued, -7% margin of safety
Zurn Elkay Water Solutions Corp (ZWS): overvalued, -126% margin of safety
Ceco Environmental Corp (CECO): overvalued, -949% margin of safety
PureCycle Technologies Inc (PCT): not valued
Aduro Clean Technologies Inc (ADUR): not valued
Energy Recovery Inc (ERII): overvalued, -62% margin of safety
Cadiz Inc (CDZI): not valued
Arq Inc (ARQ): undervalued, +40% margin of safety
Fuel Tech Inc (FTEK): overvalued, -50% margin of safety
374Water Inc (SCWO): not valued
Birchtech Corp (BCHT): overvalued, -51% margin of safety
Zone Frontier Inc (ZONE): overvalued, -68% margin of safety
ClearSign Technologies Corp (CLIR): not valued
LiqTech International Inc (LIQT): not valued
Rain Enhancement Technologies Holdco Inc (RAIN): not valued
TOMI Environmental Solutions Inc (TOMZ): not valued
Euro Tech Holdings Co Ltd (CLWT): not valued

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