Company lists · Data refreshed September 2026

Top 25 Effluent treatment plant construction companies based in India

Name: Effluent treatment plant construction companies based in India
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 15, 2026 963 companies tracked

RevenueBase identified 963 effluent treatment plant construction companies headquartered in India as of September 2026 and tracks 16,362 professional contacts across them, including 1,090 with verified work emails. Pune is the largest hub.

This list covers effluent treatment plant construction companies headquartered in India, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 15, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 15, 2026 86% judged on-target in blind review

963Companies

16,362Contacts tracked

1,090Verified emails

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The 25 largest effluent treatment plant construction companies based in India

Ranked by team size

Top 25 of 963 effluent treatment plant construction companies based in India, ranked by team size, largest first. Data refreshed Sep 15, 2026. RevenueBase Smart Search rates how each company's information relates to effluent treatment plant construction companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	ION Exchange India LTD	Partial evidence	Mumbai, IndiaHQ checked Sep 15, 2026	1,001-5,000	3,810 contacts →
	Partial evidence “At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Source: RevenueBase Database · checked Sep 15, 2026
2	Volvo Eicher Commerical Vehical Limited	Strong evidence	Dhar, IndiaHQ checked Sep 15, 2026	n/a	1,196 contacts →
	Strong evidence “Volvo Eicher Commerical Vehical Limited Service Provider of waste water recycling systems, drinking water plant & industrial water treatment in Indore, Madhya Pradesh.” Source: RevenueBase Database · checked Sep 15, 2026
3	Jwil Infra Limited	Indirect evidence	New Delhi, IndiaHQ checked Sep 15, 2026	501-1,000	628 contacts →
	Indirect evidence “JWIL Infra Limited is an EPC, Turnkey Solutions Provider Company in Water and Wastewater Sector.” Source: RevenueBase Database · checked Sep 15, 2026
4	L&t	Strong evidence	Chennai, IndiaHQ checked Sep 15, 2026	5,001-10,000	350 contacts →
	Strong evidence “L&T Construction's Water & Effluent Treatment business vertical provides state-of-the-art design, detailed engineering, procurement, project management, project execution…” Source: RevenueBase Database · checked Sep 15, 2026
5	Enviro Infra Engineers LTD	Indirect evidence	Delhi, IndiaHQ checked Sep 15, 2026	501-1,000	323 contacts →
	Indirect evidence “Since 2009, Enviro has combined engineering excellence with a commitment to sustainability in water and wastewater solutions across India." Enviro Infra Engineers Limited stands…” Source: RevenueBase Database · checked Sep 15, 2026
6	WTE Infra Projects Pvt. LTD	Strong evidence	Pune, IndiaHQ checked Sep 15, 2026	501-1,000	287 contacts →
	Strong evidence “WTE is a globally recognised manufacturer & exporter of innovative Water & Wastewater Treatment Plants.” Source: RevenueBase Database · checked Sep 15, 2026
7	Sima Labs	Indirect evidence	New Delhi, IndiaHQ checked Sep 15, 2026	51-200	211 contacts →
	Indirect evidence “Incorporated in the year 1988, SIMA LABS is offering analytical testing services in the field of food products, pharmaceuticals & environment.” Source: RevenueBase Database · checked Sep 15, 2026
8	HNB Engineers Pvt. LTD	Indirect evidence	Pune, IndiaHQ checked Sep 15, 2026	201-500	191 contacts →
	Indirect evidence “HNB ENGINEERS PVT.” Source: RevenueBase Database · checked Sep 15, 2026
9	Membrane Group India Pvt. LTD	Indirect evidence	Gurgaon, IndiaHQ checked Sep 15, 2026	201-500	167 contacts →
	Indirect evidence “Water is life.” Source: RevenueBase Database · checked Sep 15, 2026
10	Rean Watertech Pvt. LTD	Partial evidence	Rajarhat, IndiaHQ checked Sep 15, 2026	51-200	160 contacts →
	Partial evidence “REAN aspires to contribute significantly in improving India’s infrastructure by its proficiency in water treatment and distribution along with waste management in municipal…” Source: RevenueBase Database · checked Sep 15, 2026
11	Aquatech Systems Asia Private Limited	Partial evidence	Pune, IndiaHQ checked Sep 15, 2026	201-500	153 contacts →
	Partial evidence “Aquatech is a global leader in water purification systems and wastewater treatment technology for industrial and infrastructure markets.” Source: RevenueBase Database · checked Sep 15, 2026
12	Euroteck Environmental PVT LTD	Indirect evidence	Hyderabad, IndiaHQ checked Sep 15, 2026	201-500	133 contacts →
	Indirect evidence “Euroteck Environmental Pvt.” Source: RevenueBase Database · checked Sep 15, 2026
13	BIO Petro Clean	Partial evidence	New Delhi, IndiaHQ checked Sep 15, 2026	51-200	115 contacts →
	Partial evidence “BioPetroClean™: Revolutionizing Wastewater Treatment BioPetroClean™ is a leading cleantech company dedicated to transforming wastewater treatment through innovation and technology.” Source: RevenueBase Database · checked Sep 15, 2026
14	Saurashtra Enviro Projects PVT Ltd, A Detox Group Company	Strong evidence	Surat, IndiaHQ checked Sep 15, 2026	201-500	72 contacts →
	Strong evidence “Municipal & industrial waste management plants, legacy waste treatment and bioremediation, Industrial effluent and sewage treatment plants with complete ZLD scheme, suppliers of…” Source: RevenueBase Database · checked Sep 15, 2026
15	WTT International PVT LTD	Partial evidence	Tiruppur, IndiaHQ checked Sep 15, 2026	51-200	71 contacts →
	Partial evidence “With a period of about 30 years in Water Treatment, WTT International being a Pioneer in the field of Textile Water Treatment and an expertise in providing solution to other…” Source: RevenueBase Database · checked Sep 15, 2026
16	Green Method Engineering P LTD	Indirect evidence	Kalamassery, IndiaHQ checked Sep 15, 2026	201-500	69 contacts →
	Indirect evidence “GME is an approved 'A Class' consultant of Kerala State Pollution Control Board.” Source: RevenueBase Database · checked Sep 15, 2026
17	Hydrotech Paryavaran India Pvt. LTD	Indirect evidence	Sas Nagar, IndiaHQ checked Sep 15, 2026	201-500	68 contacts →
	Indirect evidence “Hydrotech Paryavaran (India) Pvt.” Source: RevenueBase Database · checked Sep 15, 2026
18	Shreeji Aqua Treatment Pvt. LTD	Indirect evidence	Pune, IndiaHQ checked Sep 15, 2026	51-200	61 contacts →
	Indirect evidence “We are a growing family of 120, endeavouring excellence with care and growth since 1989.” Source: RevenueBase Database · checked Sep 15, 2026
19	DEW Projects And Chemicals P LTD	Indirect evidence	Noida, IndiaHQ checked Sep 15, 2026	201-500	57 contacts →
	Indirect evidence “Dew is one of the world few fully integrated liquid engineering company.” Source: RevenueBase Database · checked Sep 15, 2026
20	Clar Aqua Private Limited	Partial evidence	Chennai, IndiaHQ checked Sep 15, 2026	51-200	57 contacts →
	Partial evidence “CLAR AQUA PVT LTD, an ISO 9001 : 2015 certified, has an unsurpassed record for providing high quality solutions in all water and waste water treatment projects starting from…” Source: RevenueBase Database · checked Sep 15, 2026
21	Indian ION Exchange And Chemicals LTD	Partial evidence	Ahmedabad, IndiaHQ checked Sep 15, 2026	51-200	53 contacts →
	Partial evidence “Indian Ion Exchange & Chemicals Limited formed in1994 by experienced water treatment technocrats and engineering professionals to apply new technology of Advance Ion Exchange…” Source: RevenueBase Database · checked Sep 15, 2026
22	Lars Enviro Cleanedge Resources	Partial evidence	Nagpur, IndiaHQ checked Sep 15, 2026	51-200	51 contacts →
	Partial evidence “Lars Enviro is India’s leading environmental engineering organization, focused on providing waste management, wastewater treatment and water treatment solutions to Corporate…” Source: RevenueBase Database · checked Sep 15, 2026
23	KEP Engineering Services Pvt. LTD	Indirect evidence	Hyderabad, IndiaHQ checked Sep 15, 2026	201-500	50 contacts →
	Indirect evidence “KEP Engineering Services Pvt.” Source: RevenueBase Database · checked Sep 15, 2026
24	Apex Ecotech Limited	Indirect evidence	Pune, IndiaHQ checked Sep 15, 2026	51-200	48 contacts →
	Indirect evidence “Apex Ecotech Limited (formerly known as Apex Ecotech Private Limited) was established in 2009 by a group of dedicated professionals and has emerged as a leading provider of…” Source: RevenueBase Database · checked Sep 15, 2026
25	SUN Enviro Technologies Pvt. LTD	Strong evidence	Nagpur, IndiaHQ checked Sep 15, 2026	51-200	48 contacts →
	Strong evidence “We are delighted to introduce ourselves as Sun Enviro Technologies Pvt Ltd, a leading provider of wastewater treatment plants, water treatment plants, water recycle plants, sewage…” Source: RevenueBase Database · checked Sep 15, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: effluent treatment plant construction companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names effluent treatment plant construction companies.
Partial evidence: Its own public description names part of effluent treatment plant construction companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name effluent treatment plant construction companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 963 effluent treatment plant construction companies based in India

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Effluent treatment plant construction companies based in India at a glance

As of Sep 15, 2026

6.7%Verified-email coverage

17.0Average contacts per company

11-50Median size (employees)

10.1%Largest-city concentration · Pune

Sep 15, 2026Page data refreshed

Companies by employee count

1-10

253

11-50

377

51-200

246

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 963 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among effluent treatment plant construction companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in India whose own description of what they do matches “effluent treatment plant construction companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names effluent treatment plant construction companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among effluent treatment plant construction companies, and records with no verified work email. Companies headquartered outside India are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 1,090 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 15, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Effluent treatment plant construction companies by metro

Effluent treatment plant construction companies in Pune97
Effluent treatment plant construction companies in Chennai69
Effluent treatment plant construction companies in Ahmedabad63
Effluent treatment plant construction companies in New Delhi51
Effluent treatment plant construction companies in Mumbai49
Effluent treatment plant construction companies in Delhi30
Effluent treatment plant construction companies in Bangalore26
Effluent treatment plant construction companies in Noida26

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names effluent treatment plant construction companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many effluent treatment plant construction companies are there based in India?

RevenueBase identified 963 effluent treatment plant construction companies headquartered in India as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

ION Exchange India LTD, headquartered in Mumbai, tops this list with the largest team on record.

Which city has the most effluent treatment plant construction companies?

Pune leads with 97 headquartered companies, followed by Chennai (69) and Ahmedabad (63).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,090 verified decision-maker contacts tracked across these 963 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 15, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.