Who are the top 5 pollution & treatment controls companies?

As of 11th October 2026, the top 5 pollution & treatment controls companies include: Veralto Corporation Zurn Elkay Water Solutions Corporation CECO Environmental Corp. Purecycle Technologies Holdings Corp Aduro Clean Technologies Inc. Common Stock Disclaimer: The above list of air pollution control companies is for educational purposes only and does not constitute investment advice. Investors should conduct their own research or consult a financial advisor before investing.

What is the outlook for US pollution & treatment controls stocks?

The US air pollution control equipment market is projected to grow at more than 5% a year through 2032, and PFAS treatment alone is estimated to need $37.1 bn to $48.3 bn of investment over five years. Lead pipe replacement, which begins in 2027, adds to the pipeline of work. Rule rollbacks and extended deadlines are the main factors that could change the timing. Disclaimer: This information is for educational purposes only and does not constitute investment advice. Investors should conduct their own research or consult a financial advisor before investing.

Are US pollution & treatment controls stocks risky for Indian investors?

Yes, as with any equity investment, these stocks carry risk, and for Indian investors currency movements add another layer. The sector-specific risks are changes to environmental rules, tight utility budgets and the difficulty of scaling new recycling technology. Smaller, early-stage companies can be especially volatile because they may not yet earn steady profits.

How can I compare US pollution & treatment controls stocks on Tickertape?

On the Tickertape US Stock Screener, you can select 'Pollution & Treatment Controls' under the sector filter and compare companies using 60+ parameters. Useful measures for this group include revenue growth, gross margin, operating margin, debt levels and cash flow. Each stock page also shows price history, peer comparison and recent news.

Can beginners invest in US pollution & treatment controls stocks?

Yes, beginners can invest in these stocks through Tickertape, although the group is a mix of very different businesses. Established equipment makers earn steady revenue, while early-stage recycling firms are still building plants and may not yet be profitable. Reading each stock page first helps to understand which type a company is. Disclaimer: This information is for educational purposes only and does not constitute investment advice. Investors should assess their financial goals and risk tolerance or consult a financial advisor before investing.

How to invest in US pollution & treatment controls stocks from India?

Investors can invest in US pollution & treatment controls stocks from India through Tickertape. The process generally involves: Create an account: Open a US investing account on Tickertape. Explore pollution & treatment controls stocks: Use the Tickertape US Stock Screener to browse and compare pollution & treatment controls companies. Complete KYC: Submit the identity and address documents required for US investing. Link a bank account: Connect an eligible bank account to your Tickertape account. Add funds: Transfer money to your US Wallet under the Liberalised Remittance Scheme. Place an order: Select the stock and click Buy to place your order.

What is the difference between individual US pollution & treatment controls stocks and pollution & treatment controls-focused ETFs?

An individual stock gives ownership in one company, so its results depend on its own products, orders and funding. A sector-focused ETF holds many stocks at once and spreads the effect of one company's delay or weak quarter across the basket. ETFs in this area may also include water utilities and waste companies, so the mix can differ from a pure pollution & treatment controls list.

What metrics are commonly used to evaluate US pollution & treatment controls stocks?

Common metrics include revenue growth, order backlog, gross margin and operating margin, since equipment makers with strong products keep higher margins. The share of recurring revenue from parts and service shows how stable sales are. For early-stage companies, cash on hand and the rate of cash spending matter more than earnings, because they show how long a company can fund its plans. Disclaimer: This information is for educational purposes only and does not constitute investment advice. Investors should conduct their own research before investing.

Do US pollution & treatment controls stocks pay dividends?

Some established companies in this group pay regular dividends, while many growth and early-stage firms do not and reinvest in their plants and technology instead. Dividend policies differ by company, so the stock page shows each firm's dividend yield and history. Indian investors should also note that US withholding tax applies to dividends, and the income is taxable in India as per the applicable slab rate. Disclaimer: This information is for educational purposes only and does not constitute investment advice. Investors should conduct their own research or consult a financial advisor before investing.

US Pollution & Treatment Controls Stocks in 2026

Q: What are US pollution & treatment controls stocks?

US pollution & treatment controls stocks are shares of US-listed companies that make equipment and technology to clean air, treat water and recycle waste. They range from established makers of water and air systems to early-stage recycling firms. Demand for these products is closely tied to environmental rules and utility spending.

Q: What are the advantages of investing in US pollution & treatment controls stocks?

Demand is supported by rules rather than only by consumer spending, such as the 4 ppt PFAS limit and the 10-year lead pipe replacement requirement. Many products also need replacement parts, chemicals and servicing, which adds repeat purchases. The sector also covers newer recycling technologies that address plastic waste. Disclaimer: This information is for educational purposes only and does not constitute investment advice. Investors should conduct their own research before investing.

The US air pollution control equipment market was valued at about $18.5 bn in 2023 and is projected to grow by more than 5% a year to 2032, while the national limit on PFAS in drinking water is estimated to need $37 bn to $48 bn of treatment investment over five years.. In this article, we will be covering all the US pollution & treatment controls stocks that might benefit from this environment, along with an overview of the top pollution & treatment controls companies.

List of US Pollution & Treatment Controls Stocks in 2026

US Pollution & Treatment Controls Stocks

Explore US pollution and treatment controls stocks involved in environmental monitoring, pollution control, water treatment, waste treatment and related technologies. Analyse companies using live share price, market cap, returns, valuation, profitability and other key financial metrics.

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Showing 1 - 18 of 18 results

last updated at 8:30 AM IST

	NameUS Stocks (18)↓	↓Sub-SectorSub-Sector↓	↓Market CapMarket Cap↓	↓Close PriceClose Price↓	↓PE Ratio (TTM)PE Ratio (TTM)↓	↓1M Return1M Return↓	↓1D Return1D Return↓	↓Return on EquityReturn on Equity↓	↓PB RatioPB Ratio↓
1.	Veralto Corporation VLTO	Pollution & Treatment ControlsPollution & Treatment Controls	24,698.7024,698.70	104.33104.33	25.5225.52	8.818.81	-0.54-0.54	34.3134.31	7.557.55
2.	Zurn Elkay Water Solutions Corporation ZWS	Pollution & Treatment ControlsPollution & Treatment Controls	8,024.518,024.51	48.5548.55	30.0530.05	3.783.78	-0.21-0.21	16.9216.92	4.684.68
3.	CECO Environmental Corp.CECO	Pollution & Treatment ControlsPollution & Treatment Controls	3,016.933,016.93	49.0849.08	--	-34.55-34.55	-4.65-4.65	-2.36-2.36	2.002.00
4.	Purecycle Technologies Holdings Corp PCT	Pollution & Treatment ControlsPollution & Treatment Controls	556.51556.51	2.772.77	--	-46.21-46.21	-0.54-0.54	-61.56-61.56	66.7466.74
5.	Aduro Clean Technologies Inc. Common Stock ADUR	Pollution & Treatment ControlsPollution & Treatment Controls	367.55367.55	10.0710.07	--	-20.58-20.58	-3.03-3.03	-48.31-48.31	21.2521.25
6.	Energy Recovery Inc ERII	Pollution & Treatment ControlsPollution & Treatment Controls	339.45339.45	6.686.68	25.5825.58	-1.76-1.76	-0.01-0.01	8.588.58	2.012.01
7.	Cadiz Inc CDZI	Pollution & Treatment ControlsPollution & Treatment Controls	336.17336.17	4.344.34	--	13.4813.48	6.756.75	-183.13-183.13	67.1967.19
8.	Arq Inc ARQ	Pollution & Treatment ControlsPollution & Treatment Controls	80.3580.35	1.751.75	--	-14.22-14.22	-1.02-1.02	-27.05-27.05	0.520.52
9.	Fuel Tech Inc FTEK	Pollution & Treatment ControlsPollution & Treatment Controls	42.7042.70	1.371.37	--	-16.97-16.97	0.740.74	-8.92-8.92	1.381.38
10.	374Water Inc. Common Stock SCWO	Pollution & Treatment ControlsPollution & Treatment Controls	42.5242.52	2.362.36	--	-23.13-23.13	2.812.81	-335.45-335.45	18.1618.16
11.	Birchtech Corp.BCHT	Pollution & Treatment ControlsPollution & Treatment Controls	29.9929.99	1.131.13	--	-34.68-34.68	0.090.09	-134.41-134.41	5.585.58
12.	ClearSign Combustion Corporation CLIR	Pollution & Treatment ControlsPollution & Treatment Controls	16.6116.61	2.312.31	--	-34.75-34.75	-4.57-4.57	-51.73-51.73	2.452.45
13.	TOMI Environmental Solutions Inc TOMZ	Pollution & Treatment ControlsPollution & Treatment Controls	14.1014.10	1.461.46	--	1.131.13	1.741.74	-168.84-168.84	8.238.23
14.	LiqTech International Inc LIQT	Pollution & Treatment ControlsPollution & Treatment Controls	12.0312.03	0.340.34	--	-51.45-51.45	-0.71-0.71	-49.63-49.63	0.860.86
15.	Euro Tech Holdings Company Ltd CLWT	Pollution & Treatment ControlsPollution & Treatment Controls	9.789.78	1.351.35	66.0066.00	-10.30-10.30	3.413.41	1.001.00	0.710.71
16.	Rain Enhancement Technologies Holdco, Inc. Class A Common Stock RAIN	Pollution & Treatment ControlsPollution & Treatment Controls	6.536.53	0.550.55	--	-45.22-45.22	-8.72-8.72	--	--
17.	Cadiz Inc. Depositary Shares CDZIP	Pollution & Treatment ControlsPollution & Treatment Controls	--	20.8020.80	--	-4.37-4.37	1.781.78	-183.13-183.13	--
18.	Purecycle Technologies Holdings Corp Unit PCTTU	Pollution & Treatment ControlsPollution & Treatment Controls	--	3.343.34	--	-44.24-44.24	-9.01-9.01	-61.56-61.56	--

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Disclaimer: Please note that the above table is for informational purposes only and is not recommendatory. Please do your own research or consult your financial advisor before investing. The data is derived from Tickertape US Stock Screener and is subject to real-time updates.

Overviews of Top US Pollution & Treatment Controls Stocks

Veralto Corporation

Veralto was formed in 2023, when Danaher spun it off as a separate listed company. It is one of the water treatment companies that makes products for water analytics and treatment, along with marking, coding, packaging, and colour-management products that help customers monitor water quality and label and package goods.

Zurn Elkay Water Solutions Corporation

Zurn Elkay was formed in 2022, when Zurn Water Solutions, which dates to 1900, combined with Elkay, founded in 1920. It makes water products such as valves, backflow preventers, flush valves, drains, water coolers and bottle filling stations.

CECO Environmental Corp.

CECO Environmental was founded in 1966 as Claremont Engineering Company. It provides air pollution control equipment and services to industrial customers, including scrubbers, pollution control systems, dust collectors and thermal oxidisers that cut emissions from factories and refineries.

Purecycle Technologies Holdings Corp

PureCycle was founded in 2015. It uses a patented process, developed by Procter & Gamble, to remove colour, odour and contaminants from waste polypropylene plastic and turn it into recycled resin that is close to virgin quality.

Aduro Clean Technologies Inc. Common Stock

Aduro Clean Technologies was founded in 2011 and is based in Ontario. It is developing a chemical recycling platform with three technologies, plastics upcycling, bitumen upgrading and renewables upgrading, and plans to earn through licensing, royalties and research.

What are US Pollution & Treatment Controls Stocks?

US pollution and treatment controls stocks are shares of US-listed companies that make the equipment and technology used to clean air, treat and monitor water, and recycle waste. These include water analytics and treatment systems, water infrastructure products, air pollution control equipment and plastics recycling technology. Their customers include utilities, industrial plants and building owners.

How to Evaluate and Invest in US Pollution & Treatment Controls Sector Stocks?

Here's how to invest in the US pollution & treatment controls stock market from India, step by step:

Log in or Create an Account: Visit Tickertape US Stocks and log in to your account. Create an account if you have not registered yet and complete the US investing account-opening process.
Search for Pollution & Treatment Controls Stocks: Use the Tickertape US Stock Screener and select 'Pollution & Treatment Controls' under the sector filter.
Analyse the Stocks: Each stock page provides information such as the live market price, 52-week range, financial performance, peer comparison and recent news.
Add Money to Your US Wallet: Connect an eligible bank account and transfer money to your US Wallet under the Liberalised Remittance Scheme.
Place Your Order: Select the pollution & treatment controls stock you want to invest in and click on 'Buy' to place the order through Tickertape.

Taxation of US Pollution & Treatment Controls Stocks for Indian Investors

The tax treatment of US pollution & treatment controls stocks generally depends on the holding period, the investor's applicable income-tax rate and US withholding rules on dividend income.

Income / Action	Holding Period / Condition	Tax Rate in the US	Tax Rate in India
Long-Term Capital Gains (LTCG)	Held for > 24 months	0% (Taxed only in India under DTAA)	12.5% (+ applicable surcharge & cess)
Short-Term Capital Gains (STCG)	Held for < 24 months	0% (Taxed only in India under DTAA)	Taxed as per your applicable income slab rate

Advantages of Investing in US Pollution & Treatment Controls Stocks

Regulation-Backed Demand

The US set a limit of 4 parts per trillion for PFOA and PFOS in drinking water in 2024, and treatment is estimated to need $37.1 bn to $48.3 bn of capital investment over five years. Spending of this size creates demand for filtration, monitoring and treatment equipment.

Steady Air Control Market

The US air pollution control equipment market was valued at about $18.5 bn in 2023 and is projected to grow at more than 5.1% a year through 2032. Tighter limits on nitrogen oxides and particulates support regular orders from industrial users.

Recurring Replacement Needs

Water treatment and air control systems need replacement filters, chemicals, monitoring and servicing over their life. Sales therefore include repeat purchases in addition to the initial equipment.

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Risks of Investing in US Pollution & Treatment Controls Stocks

Rule Changes

In May 2026, drinking-water limits for four PFAS compounds were rescinded, and a proposal would let eligible systems extend the PFOA and PFOS deadline from 2029 to 2031. Rule changes can delay or shrink orders that were planned around the original timelines.

High Upfront Costs

Installation and operating costs are high, and over 90% of US water systems serve fewer than 10,000 people. Smaller utilities with limited budgets may delay upgrades even when rules require them.

Early-Stage Technology

Newer recycling technologies must show they can run at commercial scale before they earn steady revenue. Delays in plant construction or ramp-up can postpone sales and lead to a need for additional funding.

Factors to Consider Before Investing in US Pollution & Treatment Controls Stocks

Environmental Regulation

Emission limits and drinking-water standards decide how much equipment customers must buy and by when. Stricter rules and firm deadlines lift orders, while rollbacks and extensions push them out.

Municipal and Public Funding

Water utilities fund upgrades from rates, local budgets and public funds. When funding is available, projects move ahead faster, and when budgets are tight, spending is delayed.

Industrial Activity

Factories, chemical plants and refineries buy air control systems when they build, expand or upgrade. Lower industrial investment can therefore reduce demand for this equipment.

Virgin Plastic Prices

Recycled resin competes with new plastic made from oil and gas. When virgin plastic prices fall, recycled material can be harder to sell at a premium, which affects recyclers' revenue.

Access to Capital

Early-stage companies often rely on outside funding while they build plants and prove their technology. Tighter funding conditions can slow expansion plans.

Key Growth Drivers for US Pollution & Treatment Controls Stocks

Water Treatment Upgrades

More than 7,000 drinking-water entry points are estimated to need PFAS treatment. Single utility projects are estimated to cost from about $100 mn to nearly $400 mn, which points to large equipment orders.

Lead Pipe Replacement

Lead service lines must be replaced within 10 years, beginning in 2027. This creates a multi-year pipeline of work for makers of pipes, valves and water products.

Better Control Technology

Advances in filtration, scrubbing and catalytic processes, including selective catalytic reduction, are making emission controls more effective. Better-performing systems can prompt industrial plants to replace older equipment.

How to Track US Pollution & Treatment Controls Stocks From India on Tickertape?

You can track US pollution & treatment controls stocks and ETFs from India on Tickertape's US Stocks & ETFs platform.

Open US Stocks Screener: Visit the Tickertape US Stock Screener and explore pollution & treatment controls-related companies listed on US exchanges.
Search Pollution & Treatment Controls Stocks: Search for "Pollution & Treatment Controls" under the sector and select it to explore companies operating in the pollution & treatment controls industry.
Apply Filters: Compare companies using 60+ parameters, including market capitalisation, valuation ratios, profitability metrics, growth indicators and financial health measures.
Analyse Company Metrics: Review individual stock pages to understand financial performance, revenue trends, margins, debt levels, price movements and other available insights.
Create a Watchlist: Add selected pollution & treatment controls stocks to your watchlist to track price updates, company developments and performance changes from India.

Conclusion

US pollution and treatment controls stocks span water analytics and treatment, water infrastructure products, air pollution control equipment and recycling technology. Their performance is shaped by environmental regulation, municipal and public funding, industrial activity, plastic prices and access to capital. Rule changes, high upfront costs and the challenge of scaling new technology are among the key risks. Investors looking to analyse pollution & treatment controls companies can use the Tickertape US Stock Screener to compare stocks using 60+ unique filters and custom filters across valuation, profitability, growth, financial health and other key metrics.

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Frequently Asked Questions on US Pollution & Treatment Controls Stocks

What are US pollution & treatment controls stocks?
US pollution & treatment controls stocks are shares of US-listed companies that make equipment and technology to clean air, treat water and recycle waste. They range from established makers of water and air systems to early-stage recycling firms. Demand for these products is closely tied to environmental rules and utility spending.
Who are the top 5 pollution & treatment controls companies?
As of 11th October 2026, the top 5 pollution & treatment controls companies include:
1. Veralto Corporation
2. Zurn Elkay Water Solutions Corporation
3. CECO Environmental Corp.
4. Purecycle Technologies Holdings Corp
5. Aduro Clean Technologies Inc. Common Stock
Disclaimer: The above list of air pollution control companies is for educational purposes only and does not constitute investment advice. Investors should conduct their own research or consult a financial advisor before investing.
What is the outlook for US pollution & treatment controls stocks?
The US air pollution control equipment market is projected to grow at more than 5% a year through 2032, and PFAS treatment alone is estimated to need $37.1 bn to $48.3 bn of investment over five years. Lead pipe replacement, which begins in 2027, adds to the pipeline of work. Rule rollbacks and extended deadlines are the main factors that could change the timing.

Disclaimer: This information is for educational purposes only and does not constitute investment advice. Investors should conduct their own research or consult a financial advisor before investing.
Are US pollution & treatment controls stocks risky for Indian investors?
Yes, as with any equity investment, these stocks carry risk, and for Indian investors currency movements add another layer. The sector-specific risks are changes to environmental rules, tight utility budgets and the difficulty of scaling new recycling technology. Smaller, early-stage companies can be especially volatile because they may not yet earn steady profits.
How can I compare US pollution & treatment controls stocks on Tickertape?
On the Tickertape US Stock Screener, you can select 'Pollution & Treatment Controls' under the sector filter and compare companies using 60+ parameters. Useful measures for this group include revenue growth, gross margin, operating margin, debt levels and cash flow. Each stock page also shows price history, peer comparison and recent news.
Can beginners invest in US pollution & treatment controls stocks?
Yes, beginners can invest in these stocks through Tickertape, although the group is a mix of very different businesses. Established equipment makers earn steady revenue, while early-stage recycling firms are still building plants and may not yet be profitable. Reading each stock page first helps to understand which type a company is.

Disclaimer: This information is for educational purposes only and does not constitute investment advice. Investors should assess their financial goals and risk tolerance or consult a financial advisor before investing.
How to invest in US pollution & treatment controls stocks from India?
Investors can invest in US pollution & treatment controls stocks from India through Tickertape. The process generally involves:
1. Create an account: Open a US investing account on Tickertape.
2. Explore pollution & treatment controls stocks: Use the Tickertape US Stock Screener to browse and compare pollution & treatment controls companies.
3. Complete KYC: Submit the identity and address documents required for US investing.
4. Link a bank account: Connect an eligible bank account to your Tickertape account.
5. Add funds: Transfer money to your US Wallet under the Liberalised Remittance Scheme.
6. Place an order: Select the stock and click Buy to place your order.
What are the advantages of investing in US pollution & treatment controls stocks?
Demand is supported by rules rather than only by consumer spending, such as the 4 ppt PFAS limit and the 10-year lead pipe replacement requirement. Many products also need replacement parts, chemicals and servicing, which adds repeat purchases. The sector also covers newer recycling technologies that address plastic waste.

Disclaimer: This information is for educational purposes only and does not constitute investment advice. Investors should conduct their own research before investing.
What is the difference between individual US pollution & treatment controls stocks and pollution & treatment controls-focused ETFs?
An individual stock gives ownership in one company, so its results depend on its own products, orders and funding. A sector-focused ETF holds many stocks at once and spreads the effect of one company's delay or weak quarter across the basket. ETFs in this area may also include water utilities and waste companies, so the mix can differ from a pure pollution & treatment controls list.
What metrics are commonly used to evaluate US pollution & treatment controls stocks?
Common metrics include revenue growth, order backlog, gross margin and operating margin, since equipment makers with strong products keep higher margins. The share of recurring revenue from parts and service shows how stable sales are. For early-stage companies, cash on hand and the rate of cash spending matter more than earnings, because they show how long a company can fund its plans.

Disclaimer: This information is for educational purposes only and does not constitute investment advice. Investors should conduct their own research before investing.
Do US pollution & treatment controls stocks pay dividends?
Some established companies in this group pay regular dividends, while many growth and early-stage firms do not and reinvest in their plants and technology instead. Dividend policies differ by company, so the stock page shows each firm's dividend yield and history. Indian investors should also note that US withholding tax applies to dividends, and the income is taxable in India as per the applicable slab rate.

Disclaimer: This information is for educational purposes only and does not constitute investment advice. Investors should conduct their own research or consult a financial advisor before investing.

Disclaimer: This article is for informational purposes only. The content of the article, including securities/investment products mentioned, if any, should not in any manner be construed as investment advice, recommendation, offer, or solicitation to buy/hold/sell any securities/investment products. The securities quoted, if any, are for illustration only and are not recommendatory. Investments in the securities market are subject to market risks. Read all the related documents carefully before investing. Please consult a SEBI-registered financial advisor before investing.