Company lists · Data refreshed November 2026
Top 21 Activated sludge system designers based in India
RevenueBase identified 117 company matches for activated sludge system designers associated with India as of November 2026 and tracks 1,621 professional contacts across them, including 176 with verified work emails. Chennai is the largest hub.
This list covers company matches for activated sludge system designers 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.
The 21 largest activated sludge system designers based in India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 368 contacts → | ||||
Exact match “Since 2009, Enviro has combined engineering excellence with a commitment to sustainability in water and wastewater solutions across India." Enviro Infra Engineers Limited stands…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 193 contacts → | ||||
Exact match “HNB ENGINEERS PVT.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 68 contacts → | ||||
Exact match “Hydrotech Paryavaran (India) Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 44 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 32 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 | |||||
| 6 | 28 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 | |||||
| 7 | 24 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 | |||||
| 8 | 24 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 | |||||
| 9 | 17 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 | |||||
| 10 | 14 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 | |||||
| 11 | 13 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 | |||||
| 12 | 12 contacts → | ||||
Exact match “Transcend Cleantec Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 12 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 | |||||
| 14 | 10 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 | |||||
| 15 | 10 contacts → | ||||
Exact match “Shaping the Future, One Drop at a Time At SAPL, we don’t just treat water, we engineer smarter ways to protect it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “About Sritech Since 1995, Sritech has been a trusted name in solid–liquid separation technology, delivering high–quality, customized solutions for water and wastewater treatment…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “Levapor India Pvt Ltd is an engaged in providing process engineering solutions for the treatment of complex industrial effluent, municipal wastewater and polluted air/gas…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “A dedicated team with decades of experience in the field of Sewage Treatment Plants, Proves to be one of the best in the industry, we follow the best practices and never…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “activated sludge system designers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 21 of 117 activated sludge system designers based in India
See the full list, filter by size, metro and specialty, and access 176 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Activated sludge system designers based in India at a glance
As of Nov 6, 2026Companies by employee count
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 117 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 designers” 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 176 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 designers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many activated sludge system designers are there based in India?
RevenueBase identified 117 company matches for activated sludge system designers 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?
Enviro Infra Engineers 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 designers?
Chennai leads with 10 company records, followed by Pune (10) and Bangalore (7).
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 176 professional contacts with verified work emails tracked across these 117 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.
Ready to reach these companies? Verified emails and direct dials for all 117 activated sludge system designers based in India. Start with a free account, no credit card.
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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.
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Company intelligence · public preview
Top 21 activated sludge system designers based in India
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 117 matching company records for activated sludge system designers based in India, with 1,621 tracked contacts and 176 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 activated sludge system designers based in India
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Enviro Infra Engineers LTDeiel.inHQ: Delhi, IndiaReported employees: 501-1,000 | Delhi, India | 501-1,000 | Exact match | 368 contacts → |
“Since 2009, Enviro has combined engineering excellence with a commitment to sustainability in water and wastewater solutions across India." Enviro Infra Engineers Limited stands…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  HNB Engineers Pvt. LTDhnbc.inHQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 193 contacts → |
“HNB ENGINEERS PVT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Hydrotech Paryavaran India Pvt. LTDhydrotechindia.comHQ: Sas Nagar, IndiaReported employees: 201-500 | Sas Nagar, India | 201-500 | Exact match | 68 contacts → |
“Hydrotech Paryavaran (India) Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ECO Care Engineering Private Limitedecocareenggpvtltd.com HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 44 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 |  Hydroflux Engineering PVT LTDhydroflux.co.inHQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 32 contacts → |
“Hydroflux Engineering designs, manufactures, and maintains STP, ETP, and water treatment systems for industries, hospitals, hotels, and residential developments across India.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | World Water Works Internationalworldwaterworks.com HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 28 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Quality Water Management Systems Private Limitedqwmsindia.comHQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 24 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Qualicom Solutions Private Limitedqualicomindia.comHQ: Bhubaneswar, IndiaReported employees: 51-200 | Bhubaneswar, India | 51-200 | Exact match | 24 contacts → |
“Qualicom is a leading organisation specialising in Environment Engineering with its core competencies in managing Water and Waste water and controlling Air Pollution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Circen Technologiescircentech.comHQ: Chennai, IndiaReported employees: 1-10 | Chennai, India | 1-10 | Exact match | 17 contacts → |
“A pioneering team dedicated to transforming wastewater challenges into innovative sewage treatment solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Fundametal Technologiesfundametal.inHQ: Villianur Commune, IndiaReported employees: 11-50 | Villianur Commune, India | 11-50 | Exact match | 14 contacts → |
“We are a leading technology-based equipment manufacturer and solution provider to municipal and industrial water treatment plants.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Gasion Airtec Private Limitedgasionairtec.comHQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 13 contacts → |
“Product, Project execution for Wastewater aeration and mixing | Wastewater spray coolers | Anaerobic Reactors | Modular treatment plants | Odour Control | Lake rejuvenation | USV…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Transcend Cleantec Pvt. LTDtranscendcleantec.comHQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 12 contacts → |
“Transcend Cleantec Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ZLD Technologies PVT LTDzldindia.comHQ: Ahmedabad, IndiaReported employees: 11-50 | Ahmedabad, India | 11-50 | Exact match | 12 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Aquacare Solution Enviro Engineersaquacaresee.comHQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 10 contacts → |
“Aquacare Solution Enviro Engineers is an information technology and services company based out of P-223 Mayur Trade Centre, Pune, Maharastra, India.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Swaran Aquatech Private Limitedswaranaqua.comHQ: Faridabad, IndiaReported employees: 51-200 | Faridabad, India | 51-200 | Exact match | 10 contacts → |
“Shaping the Future, One Drop at a Time At SAPL, we don’t just treat water, we engineer smarter ways to protect it.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sritechsritechindia.comHQ: Nagpur, IndiaReported employees: 11-50 | Nagpur, India | 11-50 | Exact match | 9 contacts → |
“About Sritech Since 1995, Sritech has been a trusted name in solid–liquid separation technology, delivering high–quality, customized solutions for water and wastewater treatment…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Levapor India PVT LTDlevapor.comHQ: Ahmedabad, IndiaReported employees: 1-10 | Ahmedabad, India | 1-10 | Exact match | 4 contacts → |
“Levapor India Pvt Ltd is an engaged in providing process engineering solutions for the treatment of complex industrial effluent, municipal wastewater and polluted air/gas…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Thinkgreen Envirotech Private Limitedthinkgreen.co.in HQ: Ahmedabad, IndiaReported employees: Not recorded | Ahmedabad, India | Not recorded | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Neev Fluidex PVT LTDneevfluidex.com HQ: Ahmedabad, IndiaReported employees: 1-10 | Ahmedabad, India | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Shiv PAD Engineers Pvt. LTDshivpad.com HQ: Chennai, IndiaReported employees: 1-10 | Chennai, India | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Oxidane Enviro LLPoxidanellp.comHQ: Mangalore, IndiaReported employees: 1-10 | Mangalore, India | 1-10 | Exact match | 1 contacts → |
“A dedicated team with decades of experience in the field of Sewage Treatment Plants, Proves to be one of the best in the industry, we follow the best practices and never…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 117 company matches
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Activated sludge system designers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
115 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 117 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for activated sludge system designers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many activated sludge system designers did RevenueBase find based in India?
The saved snapshot records 117 matching company records, 1,621 tracked contacts and 176 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Activated sludge system designers by geography
Cite this list
RevenueBase Data Team. Top 21 activated sludge system designers based in India. Snapshot: November 6, 2026. https://revenuebase.ai/companies/activated-sludge-system-designers/india.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Activated sludge system designers based in Brazil
- Activated sludge system designers based in Germany
- Activated sludge system designers based in Italy
- Activated sludge system designers based in the United Kingdom
- Activated sludge system designers based in the United States
- IT firms based in India, India
Company intelligence · public preview
Top 21 activated sludge system designers based in India
RevenueBase records 117 matching company records for activated sludge system designers based in India, with 1,621 tracked contacts and 176 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 activated sludge system designers based in India
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Enviro Infra Engineers LTDeiel.in HQ: Delhi, IndiaReported employees: 501-1,000 | Delhi, India | 501-1,000 | Exact match | 368 contacts → |
“Since 2009, Enviro has combined engineering excellence with a commitment to sustainability in water and wastewater solutions across India." Enviro Infra Engineers Limited stands…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HNB Engineers Pvt. LTDhnbc.in HQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 193 contacts → |
“HNB ENGINEERS PVT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hydrotech Paryavaran India Pvt. LTDhydrotechindia.com HQ: Sas Nagar, IndiaReported employees: 201-500 | Sas Nagar, India | 201-500 | Exact match | 68 contacts → |
“Hydrotech Paryavaran (India) Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ECO Care Engineering Private Limitedecocareenggpvtltd.com HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 44 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | Hydroflux Engineering PVT LTDhydroflux.co.in HQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 32 contacts → |
“Hydroflux Engineering designs, manufactures, and maintains STP, ETP, and water treatment systems for industries, hospitals, hotels, and residential developments across India.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | World Water Works Internationalworldwaterworks.com HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 28 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Quality Water Management Systems Private Limitedqwmsindia.com HQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 24 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Qualicom Solutions Private Limitedqualicomindia.com HQ: Bhubaneswar, IndiaReported employees: 51-200 | Bhubaneswar, India | 51-200 | Exact match | 24 contacts → |
“Qualicom is a leading organisation specialising in Environment Engineering with its core competencies in managing Water and Waste water and controlling Air Pollution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Circen Technologiescircentech.com HQ: Chennai, IndiaReported employees: 1-10 | Chennai, India | 1-10 | Exact match | 17 contacts → |
“A pioneering team dedicated to transforming wastewater challenges into innovative sewage treatment solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Fundametal Technologiesfundametal.in HQ: Villianur Commune, IndiaReported employees: 11-50 | Villianur Commune, India | 11-50 | Exact match | 14 contacts → |
“We are a leading technology-based equipment manufacturer and solution provider to municipal and industrial water treatment plants.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Gasion Airtec Private Limitedgasionairtec.com HQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 13 contacts → |
“Product, Project execution for Wastewater aeration and mixing | Wastewater spray coolers | Anaerobic Reactors | Modular treatment plants | Odour Control | Lake rejuvenation | USV…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Transcend Cleantec Pvt. LTDtranscendcleantec.com HQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 12 contacts → |
“Transcend Cleantec Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ZLD Technologies PVT LTDzldindia.com HQ: Ahmedabad, IndiaReported employees: 11-50 | Ahmedabad, India | 11-50 | Exact match | 12 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Aquacare Solution Enviro Engineersaquacaresee.com HQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 10 contacts → |
“Aquacare Solution Enviro Engineers is an information technology and services company based out of P-223 Mayur Trade Centre, Pune, Maharastra, India.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Swaran Aquatech Private Limitedswaranaqua.com HQ: Faridabad, IndiaReported employees: 51-200 | Faridabad, India | 51-200 | Exact match | 10 contacts → |
“Shaping the Future, One Drop at a Time At SAPL, we don’t just treat water, we engineer smarter ways to protect it.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sritechsritechindia.com HQ: Nagpur, IndiaReported employees: 11-50 | Nagpur, India | 11-50 | Exact match | 9 contacts → |
“About Sritech Since 1995, Sritech has been a trusted name in solid–liquid separation technology, delivering high–quality, customized solutions for water and wastewater treatment…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Levapor India PVT LTDlevapor.com HQ: Ahmedabad, IndiaReported employees: 1-10 | Ahmedabad, India | 1-10 | Exact match | 4 contacts → |
“Levapor India Pvt Ltd is an engaged in providing process engineering solutions for the treatment of complex industrial effluent, municipal wastewater and polluted air/gas…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Thinkgreen Envirotech Private Limitedthinkgreen.co.in HQ: Ahmedabad, IndiaReported employees: Not recorded | Ahmedabad, India | Not recorded | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Neev Fluidex PVT LTDneevfluidex.com HQ: Ahmedabad, IndiaReported employees: 1-10 | Ahmedabad, India | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Shiv PAD Engineers Pvt. LTDshivpad.com HQ: Chennai, IndiaReported employees: 1-10 | Chennai, India | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Oxidane Enviro LLPoxidanellp.com HQ: Mangalore, IndiaReported employees: 1-10 | Mangalore, India | 1-10 | Exact match | 1 contacts → |
“A dedicated team with decades of experience in the field of Sewage Treatment Plants, Proves to be one of the best in the industry, we follow the best practices and never…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 117 company matches
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Activated sludge system designers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
115 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 117 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for activated sludge system designers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many activated sludge system designers did RevenueBase find based in India?
The saved snapshot records 117 matching company records, 1,621 tracked contacts and 176 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Activated sludge system designers by geography
Cite this list
RevenueBase Data Team. Top 21 activated sludge system designers based in India. Snapshot: November 6, 2026. https://revenuebase.ai/companies/activated-sludge-system-designers/india.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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