Company lists · Data refreshed November 2026

Top 25 Activated sludge system builders based in India

RevenueBase identified 246 company matches for activated sludge system builders associated with India as of November 2026 and tracks 2,514 professional contacts across them, including 252 with verified work emails. Pune is the largest hub.

This list covers company matches for activated sludge system builders associated with India, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
246Companies
2,514Contacts tracked
252Verified emails
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The 25 largest activated sludge system builders based in India

Ranked by team size
Top 25 of 246 company matches for activated sludge system builders based in India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPune, IndiaHQ recorded Nov 6, 2026501-1,000313 contacts →

Exact match

“WTE is a globally recognised manufacturer & exporter of innovative Water & Wastewater Treatment Plants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026201-500134 contacts →

Exact match

“Euroteck Environmental Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAhmedabad, IndiaHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“Indian Ion Exchange & Chemicals Limited formed in1994 by experienced water treatment technocrats and engineering professionals to apply new technology of Advance Ion Exchange…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNoida, IndiaHQ recorded Nov 6, 2026201-50051 contacts →

Exact match

“Micro Transmission Systems has been a established leader in water and wastewater treatment since 1996, guided by the vision of Mr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAhmedabad, IndiaHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Flow Dynamics India is a turnkey water and wastewater engineering organization with years of proven industry experience and deep technical mastery in end-to-end project execution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNagpur, IndiaHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchChennai, IndiaHQ recorded Nov 6, 202651-20044 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNew Delhi, IndiaHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“Hydroflux Engineering designs, manufactures, and maintains STP, ETP, and water treatment systems for industries, hospitals, hotels, and residential developments across India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAhmedabad, IndiaHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“We are a prominent Manufacturer and Exporter of optimum quality Sewage Treatment & Recycling systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMumbai, IndiaHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“World Water Works International Inc together with its affiliated companies is an innovator in the water & wastewater treatment industry, driven to help industrial and municipal…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchKolkata, IndiaHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“For over four decades, Metcon Water Systems Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“SBSEnviro Aqua Concepts Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchChennai, IndiaHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Quality Water Management Systems (QWMS) Private Limited IS A TEAM OF PROFESSIONALLY QUALIFIED AND EXPERIENCED ENGINEERS IN THE FIELD OF WATER AND WASTE WATER MANAGEMENT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBhubaneswar, IndiaHQ recorded Nov 6, 202651-20024 contacts →

Exact match

“Qualicom is a leading organisation specialising in Environment Engineering with its core competencies in managing Water and Waste water and controlling Air Pollution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPune, IndiaHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“We, Auric Techno Services Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMira Road East, IndiaHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“INDOFAB INDUSTRIES is a well-known name for supply of Quality Process Equipments for past 35 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchJaipur, IndiaHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“is a leading water and wastewater treatment plant manufacturer and parts supplier, dedicated to providing cutting-edge solutions that address the global challenges of water and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchChennai, IndiaHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“A pioneering team dedicated to transforming wastewater challenges into innovative sewage treatment solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCoimbatore, IndiaHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Trivikram Equipments and Services Private Limited is one of the leading companies in water and wastewater treatment solutions, with over two decades of expertise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchVillianur Commune, IndiaHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“We are a leading technology-based equipment manufacturer and solution provider to municipal and industrial water treatment plants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchChennai, IndiaHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Product, Project execution for Wastewater aeration and mixing | Wastewater spray coolers | Anaerobic Reactors | Modular treatment plants | Odour Control | Lake rejuvenation | USV…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPune, IndiaHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“Transcend Cleantec Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAhmedabad, IndiaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“ZLD TECHNOLOGIES PVT LTD is highly technology oriented Engineering organisation, which serves in the field of Waste Water Treatment, UF, NF, MF, RO, MBR, Vacuum Systems, TVR…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMumbai, IndiaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“We are Yaha Water Systems Pvt Ltd and we know the worth of Water!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPune, IndiaHQ recorded Nov 6, 202651-20010 contacts →

Exact match

“Aquacare Solution Enviro Engineers is an information technology and services company based out of P-223 Mayur Trade Centre, Pune, Maharastra, India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 246 activated sludge system builders based in India

See the full list, filter by size, metro and specialty, and access 252 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Activated sludge system builders based in India at a glance

As of Nov 6, 2026
10.0%Verified-email coverage
10.2Average contacts per company
11-50Median size (employees)
9.8%Largest-city concentration · Pune
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
60
11-50
95
51-200
71
201-500
13
501-1,000
2
1,001-5,000
1
10001+
1

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 246 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with India whose business descriptions match “activated sludge system builders” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 252 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “activated sludge system builders”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many activated sludge system builders are there based in India?

RevenueBase identified 246 company matches for activated sludge system builders associated with India as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

WTE Infra Projects Pvt. LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most activated sludge system builders?

Pune leads with 24 company records, followed by Ahmedabad (22) and Chennai (15).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 252 professional contacts with verified work emails tracked across these 246 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.