Company lists · Data refreshed September 2026
Top 25 Activated sludge system installers worldwide
RevenueBase identified 4,065 company matches for activated sludge system installers worldwide as of September 2026 and tracks 53,714 professional contacts across them, including 14,087 with verified work emails. The United States is the largest market and Pune the largest hub.
This list covers company matches for activated sludge system installers worldwide, 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 September 19, 2026. Country and city lists for activated sludge system installers follow the table.
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 25 largest activated sludge system installers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,810 contacts → | ||||
Exact match “At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 1,718 contacts → | ||||
Exact match “For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 879 contacts → | ||||
Exact match “MWH Treatment is a leading Design and Build non-infrastructure solution provider in the UK water sector, with a water sector heritage dating back to 1820.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 829 contacts → | ||||
Exact match “Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 632 contacts → | ||||
Exact match “Since its establishment, Ward & Burke has sought to develop and adopt the ideals and aspirations to civil engineering construction and currently delivers class leading, reliable…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 554 contacts → | ||||
Exact match “WesTech Engineering, LLC designs, engineers, and manufactures water and wastewater treatment process equipment for mineral, industrial, and municipal applications worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 435 contacts → | ||||
Exact match “Al ruim een halve eeuw zetten we ons in voor duurzame oplossingen op het gebied van waterkwaliteit, waterveiligheid, bio-energie en industriële bouw en infra.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 434 contacts → | ||||
Exact match “Identificamos e solucionamos problemas relacionados ao tratamento de água e efluentes, reúso, dessalinização e análises ambientais para indústrias, consultorias ambientais e…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 411 contacts → | ||||
Exact match “Waterleau is your partner in sustainable water stewardship.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 389 contacts → | ||||
Exact match “UCC Environmental (UCC) is a global leader in environmental solutions for solids handling, wastewater treatment and pollution control technologies in power generation and other…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 323 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 307 contacts → | ||||
Exact match “Com mais de 30 anos de atuação no mercado brasileiro, a Enfil é uma empresa referência em soluções ambientais para tratamento de água, efluentes e controle de emissões…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 295 contacts → | ||||
Exact match “Protecting the environment with innovative wastewater treatment solutions for over 35 years, Infiltrator is the leading manufacturer of onsite wastewater treatment products in…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 293 contacts → | ||||
Exact match “AMENHYD spa, a private company under Algerian law, has been a pioneer and leader in the fields of the environment for 25 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 254 contacts → | ||||
Exact match “HUBER is a globally operating company with over employees, of which around work at the headquarters in Berching (Germany).” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 243 contacts → | ||||
Exact match “HUBER Technology, LLC, the U.S.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 242 contacts → | ||||
Exact match “Optimierung.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 221 contacts → | ||||
Exact match “Esli PWG Ltd.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 217 contacts → | ||||
Exact match “Company Overview: TRILITY is an established industry leader, dedicated in the delivery of water, wastewater, reuse and bio-solids solutions across Australia and New Zealand’s…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 207 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 191 contacts → | ||||
Exact match “HNB ENGINEERS PVT.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 185 contacts → | ||||
Exact match “Newterra designs, engineers, manufactures, and services environmental, water and wastewater treatment solutions that assure great performance, superb reliability, and the highest…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 179 contacts → | ||||
Exact match “Together with our customers, BW Water, now part of De Nora Water Technologies, is committed to addressing the world's most critical water challenges.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 178 contacts → | ||||
Exact match “Biwater is a world leader in treated water, providing large-scale water and wastewater solutions for clients across the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 177 contacts → | ||||
Exact match “Aquatec partners with Government, business and residential clients to deliver water, wastewater and odour control solutions for the long-term.” Recorded in the RevenueBase company graph · Sep 19, 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 installers”. 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 25 of 4,065 activated sludge system installers worldwide
See the full list, filter by size, metro and specialty, and access 14,087 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Activated sludge system installers worldwide at a glance
As of Sep 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for activated sludge system installers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “activated sludge system installers” 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. 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 14,087 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 September 19, 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.
Activated sludge system installers by location
17 lists · largest firstEvery Activated sludge system installers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Activated sludge system installers based in the United States537
- Activated sludge system installers based in India522
- Activated sludge system installers based in Italy205
- Activated sludge system installers based in Germany175
- Activated sludge system installers based in Brazil171
- Activated sludge system installers based in the United Kingdom141
- Activated sludge system installers based in Türkiye131
- Activated sludge system installers based in Canada94
- Activated sludge system installers based in Spain93
- Activated sludge system installers based in France89
- Activated sludge system installers based in Australia70
- Activated sludge system installers based in Mexico53
- Activated sludge system installers based in South Africa49
- Activated sludge system installers based in the Netherlands47
- Activated sludge system installers based in the United Arab Emirates44
- Activated sludge system installers based in Sweden26
Cities
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 installers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many activated sludge system installers are there worldwide?
RevenueBase identified 4,065 company matches for activated sludge system installers worldwide as of September 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?
ION Exchange India LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most activated sludge system installers?
The United States leads with 537 companies, followed by India (522) and Italy (205). Every activated sludge system installers list by country and city is linked on this page.
Which city has the most activated sludge system installers?
Pune leads with 56 company records, followed by Ahmedabad (39) and Tehran (39).
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 14,087 professional contacts with verified work emails tracked across these 4,065 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 September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 4,065 activated sludge system installers worldwide. 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.
More company lists
Company intelligence · public preview
Top 25 activated sludge system installers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 4,065 matching company records for activated sludge system installers worldwide, with 53,714 tracked contacts and 14,087 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 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 25 activated sludge system installers worldwide
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 | ION Exchange India LTDionexchangeglobal.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 3,810 contacts → |
“At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Carollo Engineerscarollo.comHQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 1,718 contacts → |
“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MWH Treatmentmwhtreatment.com HQ: Stockport, United KingdomReported employees: 1,001-5,000 | Stockport, United Kingdom | 1,001-5,000 | Exact match | 879 contacts → |
“MWH Treatment is a leading Design and Build non-infrastructure solution provider in the UK water sector, with a water sector heritage dating back to 1820.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  OVIVOovivowater.comHQ: Montreal, QC, CanadaReported employees: 501-1,000 | Montreal, QC, Canada | 501-1,000 | Exact match | 829 contacts → |
“Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ward And Burkewardandburke.comHQ: Kilcolgan, IrelandReported employees: 1,001-5,000 | Kilcolgan, Ireland | 1,001-5,000 | Exact match | 632 contacts → |
“Since its establishment, Ward & Burke has sought to develop and adopt the ideals and aspirations to civil engineering construction and currently delivers class leading, reliable…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Westech Engineeringwestechwater.comHQ: Salt Lake City, UT, United StatesReported employees: 501-1,000 | Salt Lake City, UT, United States | 501-1,000 | Exact match | 554 contacts → |
“WesTech Engineering, LLC designs, engineers, and manufactures water and wastewater treatment process equipment for mineral, industrial, and municipal applications worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | GMBgmb.eu HQ: Opheusden, NetherlandsReported employees: 501-1,000 | Opheusden, Netherlands | 501-1,000 | Exact match | 435 contacts → |
“Al ruim een halve eeuw zetten we ons in voor duurzame oplossingen op het gebied van waterkwaliteit, waterveiligheid, bio-energie en industriële bouw en infra.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Grupo EPgrupoep.com.brHQ: Guarulhos, BrazilReported employees: 501-1,000 | Guarulhos, Brazil | 501-1,000 | Exact match | 434 contacts → |
“Identificamos e solucionamos problemas relacionados ao tratamento de água e efluentes, reúso, dessalinização e análises ambientais para indústrias, consultorias ambientais e…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Waterleauwaterleau.comHQ: Wespelaar, FranceReported employees: 201-500 | Wespelaar, France | 201-500 | Exact match | 411 contacts → |
“Waterleau is your partner in sustainable water stewardship.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | UCC Environmentaluccenvironmental.com HQ: Waukegan, IL, United StatesReported employees: 201-500 | Waukegan, IL, United States | 201-500 | Exact match | 389 contacts → |
“UCC Environmental (UCC) is a global leader in environmental solutions for solids handling, wastewater treatment and pollution control technologies in power generation and other…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Enviro Infra Engineers LTDeiel.in HQ: Delhi, IndiaReported employees: 501-1,000 | Delhi, India | 501-1,000 | Exact match | 323 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Enfil S Aenfil.com.brHQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 307 contacts → |
“Com mais de 30 anos de atuação no mercado brasileiro, a Enfil é uma empresa referência em soluções ambientais para tratamento de água, efluentes e controle de emissões…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Infiltrator Water Technologies Decentralized Wastewater Treatment Solutionsinfiltratorwater.com HQ: Old Saybrook, CT, United StatesReported employees: 501-1,000 | Old Saybrook, CT, United States | 501-1,000 | Exact match | 295 contacts → |
“Protecting the environment with innovative wastewater treatment solutions for over 35 years, Infiltrator is the leading manufacturer of onsite wastewater treatment products in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Amenhydamenhyd.com HQ: Bab Ezzouar, AlgeriaReported employees: 1,001-5,000 | Bab Ezzouar, Algeria | 1,001-5,000 | Exact match | 293 contacts → |
“AMENHYD spa, a private company under Algerian law, has been a pioneer and leader in the fields of the environment for 25 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  HUBERhuber-se.comHQ: Berching, United Arab EmiratesReported employees: 1,001-5,000 | Berching, United Arab Emirates | 1,001-5,000 | Exact match | 254 contacts → |
“HUBER is a globally operating company with over employees, of which around work at the headquarters in Berching (Germany).” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Huber Technology UShuber-technology.com HQ: Denver, NC, United StatesReported employees: 201-500 | Denver, NC, United States | 201-500 | Exact match | 243 contacts → |
“HUBER Technology, LLC, the U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  WTE Wassertechnik Gmbhwte.deHQ: E, GermanyReported employees: 501-1,000 | E, Germany | 501-1,000 | Exact match | 242 contacts → |
“Optimierung.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Esli Pollet Water Groupesli.com.tr HQ: Antalya, TürkiyeReported employees: 201-500 | Antalya, Türkiye | 201-500 | Exact match | 221 contacts → |
“Esli PWG Ltd.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Trilitytrility.com.auHQ: Adelaide, AustraliaReported employees: 201-500 | Adelaide, Australia | 201-500 | Exact match | 217 contacts → |
“Company Overview: TRILITY is an established industry leader, dedicated in the delivery of water, wastewater, reuse and bio-solids solutions across Australia and New Zealand’s…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Aqua-Aerobic Systems, INCaqua-aerobic.comHQ: Loves Park, IL, United StatesReported employees: 51-200 | Loves Park, IL, United States | 51-200 | Exact match | 207 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | HNB Engineers Pvt. LTDhnbc.in HQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 191 contacts → |
“HNB ENGINEERS PVT.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Newterranewterra.comHQ: Coraopolis, PA, United StatesReported employees: 201-500 | Coraopolis, PA, United States | 201-500 | Exact match | 185 contacts → |
“Newterra designs, engineers, manufactures, and services environmental, water and wastewater treatment solutions that assure great performance, superb reliability, and the highest…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | BW Waterbw-water.com HQ: Singapore, United StatesReported employees: 201-500 | Singapore, United States | 201-500 | Exact match | 179 contacts → |
“Together with our customers, BW Water, now part of De Nora Water Technologies, is committed to addressing the world's most critical water challenges.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Biwaterbiwater.comHQ: Surrey, United KingdomReported employees: 501-1,000 | Surrey, United Kingdom | 501-1,000 | Exact match | 178 contacts → |
“Biwater is a world leader in treated water, providing large-scale water and wastewater solutions for clients across the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Aquatecaquatecenviro.comHQ: Shepparton, AustraliaReported employees: 51-200 | Shepparton, Australia | 51-200 | Exact match | 177 contacts → |
“Aquatec partners with Government, business and residential clients to deliver water, wastewater and odour control solutions for the long-term.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 4,065 company matches
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Activated sludge system installers: dataset insights
September 19, 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
4,039 records in the displayed employee bands.
26 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 4,065 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: September 19, 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 ↗
Activated sludge system installers by location
17 lists · largest firstEvery Activated sludge system installers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Activated sludge system installers based in the United States537
- Activated sludge system installers based in India522
- Activated sludge system installers based in Italy205
- Activated sludge system installers based in Germany175
- Activated sludge system installers based in Brazil171
- Activated sludge system installers based in the United Kingdom141
- Activated sludge system installers based in Türkiye131
- Activated sludge system installers based in Canada94
- Activated sludge system installers based in Spain93
- Activated sludge system installers based in France89
- Activated sludge system installers based in Australia70
- Activated sludge system installers based in Mexico53
- Activated sludge system installers based in South Africa49
- Activated sludge system installers based in the Netherlands47
- Activated sludge system installers based in the United Arab Emirates44
- Activated sludge system installers based in Sweden26
Cities
Questions about this company list
What does Exact match mean for activated sludge system installers?
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 installers did RevenueBase find worldwide?
The saved snapshot records 4,065 matching company records, 53,714 tracked contacts and 14,087 verified emails. The public preview displays 25 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: September 19, 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
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Cite this list
RevenueBase Data Team. Top 25 activated sludge system installers worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/activated-sludge-system-installers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 activated sludge system installers worldwide
RevenueBase records 4,065 matching company records for activated sludge system installers worldwide, with 53,714 tracked contacts and 14,087 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 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 25 activated sludge system installers worldwide
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 | ION Exchange India LTDionexchangeglobal.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 3,810 contacts → |
“At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Carollo Engineerscarollo.com HQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 1,718 contacts → |
“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MWH Treatmentmwhtreatment.com HQ: Stockport, United KingdomReported employees: 1,001-5,000 | Stockport, United Kingdom | 1,001-5,000 | Exact match | 879 contacts → |
“MWH Treatment is a leading Design and Build non-infrastructure solution provider in the UK water sector, with a water sector heritage dating back to 1820.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | OVIVOovivowater.com HQ: Montreal, QC, CanadaReported employees: 501-1,000 | Montreal, QC, Canada | 501-1,000 | Exact match | 829 contacts → |
“Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ward And Burkewardandburke.com HQ: Kilcolgan, IrelandReported employees: 1,001-5,000 | Kilcolgan, Ireland | 1,001-5,000 | Exact match | 632 contacts → |
“Since its establishment, Ward & Burke has sought to develop and adopt the ideals and aspirations to civil engineering construction and currently delivers class leading, reliable…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Westech Engineeringwestechwater.com HQ: Salt Lake City, UT, United StatesReported employees: 501-1,000 | Salt Lake City, UT, United States | 501-1,000 | Exact match | 554 contacts → |
“WesTech Engineering, LLC designs, engineers, and manufactures water and wastewater treatment process equipment for mineral, industrial, and municipal applications worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | GMBgmb.eu HQ: Opheusden, NetherlandsReported employees: 501-1,000 | Opheusden, Netherlands | 501-1,000 | Exact match | 435 contacts → |
“Al ruim een halve eeuw zetten we ons in voor duurzame oplossingen op het gebied van waterkwaliteit, waterveiligheid, bio-energie en industriële bouw en infra.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Grupo EPgrupoep.com.br HQ: Guarulhos, BrazilReported employees: 501-1,000 | Guarulhos, Brazil | 501-1,000 | Exact match | 434 contacts → |
“Identificamos e solucionamos problemas relacionados ao tratamento de água e efluentes, reúso, dessalinização e análises ambientais para indústrias, consultorias ambientais e…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Waterleauwaterleau.com HQ: Wespelaar, FranceReported employees: 201-500 | Wespelaar, France | 201-500 | Exact match | 411 contacts → |
“Waterleau is your partner in sustainable water stewardship.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | UCC Environmentaluccenvironmental.com HQ: Waukegan, IL, United StatesReported employees: 201-500 | Waukegan, IL, United States | 201-500 | Exact match | 389 contacts → |
“UCC Environmental (UCC) is a global leader in environmental solutions for solids handling, wastewater treatment and pollution control technologies in power generation and other…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Enviro Infra Engineers LTDeiel.in HQ: Delhi, IndiaReported employees: 501-1,000 | Delhi, India | 501-1,000 | Exact match | 323 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Enfil S Aenfil.com.br HQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 307 contacts → |
“Com mais de 30 anos de atuação no mercado brasileiro, a Enfil é uma empresa referência em soluções ambientais para tratamento de água, efluentes e controle de emissões…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Infiltrator Water Technologies Decentralized Wastewater Treatment Solutionsinfiltratorwater.com HQ: Old Saybrook, CT, United StatesReported employees: 501-1,000 | Old Saybrook, CT, United States | 501-1,000 | Exact match | 295 contacts → |
“Protecting the environment with innovative wastewater treatment solutions for over 35 years, Infiltrator is the leading manufacturer of onsite wastewater treatment products in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Amenhydamenhyd.com HQ: Bab Ezzouar, AlgeriaReported employees: 1,001-5,000 | Bab Ezzouar, Algeria | 1,001-5,000 | Exact match | 293 contacts → |
“AMENHYD spa, a private company under Algerian law, has been a pioneer and leader in the fields of the environment for 25 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HUBERhuber-se.com HQ: Berching, United Arab EmiratesReported employees: 1,001-5,000 | Berching, United Arab Emirates | 1,001-5,000 | Exact match | 254 contacts → |
“HUBER is a globally operating company with over employees, of which around work at the headquarters in Berching (Germany).” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Huber Technology UShuber-technology.com HQ: Denver, NC, United StatesReported employees: 201-500 | Denver, NC, United States | 201-500 | Exact match | 243 contacts → |
“HUBER Technology, LLC, the U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | WTE Wassertechnik Gmbhwte.de HQ: E, GermanyReported employees: 501-1,000 | E, Germany | 501-1,000 | Exact match | 242 contacts → |
“Optimierung.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Esli Pollet Water Groupesli.com.tr HQ: Antalya, TürkiyeReported employees: 201-500 | Antalya, Türkiye | 201-500 | Exact match | 221 contacts → |
“Esli PWG Ltd.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Trilitytrility.com.au HQ: Adelaide, AustraliaReported employees: 201-500 | Adelaide, Australia | 201-500 | Exact match | 217 contacts → |
“Company Overview: TRILITY is an established industry leader, dedicated in the delivery of water, wastewater, reuse and bio-solids solutions across Australia and New Zealand’s…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Aqua-Aerobic Systems, INCaqua-aerobic.com HQ: Loves Park, IL, United StatesReported employees: 51-200 | Loves Park, IL, United States | 51-200 | Exact match | 207 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | HNB Engineers Pvt. LTDhnbc.in HQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 191 contacts → |
“HNB ENGINEERS PVT.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Newterranewterra.com HQ: Coraopolis, PA, United StatesReported employees: 201-500 | Coraopolis, PA, United States | 201-500 | Exact match | 185 contacts → |
“Newterra designs, engineers, manufactures, and services environmental, water and wastewater treatment solutions that assure great performance, superb reliability, and the highest…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | BW Waterbw-water.com HQ: Singapore, United StatesReported employees: 201-500 | Singapore, United States | 201-500 | Exact match | 179 contacts → |
“Together with our customers, BW Water, now part of De Nora Water Technologies, is committed to addressing the world's most critical water challenges.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Biwaterbiwater.com HQ: Surrey, United KingdomReported employees: 501-1,000 | Surrey, United Kingdom | 501-1,000 | Exact match | 178 contacts → |
“Biwater is a world leader in treated water, providing large-scale water and wastewater solutions for clients across the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Aquatecaquatecenviro.com HQ: Shepparton, AustraliaReported employees: 51-200 | Shepparton, Australia | 51-200 | Exact match | 177 contacts → |
“Aquatec partners with Government, business and residential clients to deliver water, wastewater and odour control solutions for the long-term.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Activated sludge system installers: dataset insights
September 19, 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
4,039 records in the displayed employee bands.
26 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 4,065 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: September 19, 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 ↗
Activated sludge system installers by location
17 lists · largest firstEvery Activated sludge system installers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Activated sludge system installers based in the United States537
- Activated sludge system installers based in India522
- Activated sludge system installers based in Italy205
- Activated sludge system installers based in Germany175
- Activated sludge system installers based in Brazil171
- Activated sludge system installers based in the United Kingdom141
- Activated sludge system installers based in Türkiye131
- Activated sludge system installers based in Canada94
- Activated sludge system installers based in Spain93
- Activated sludge system installers based in France89
- Activated sludge system installers based in Australia70
- Activated sludge system installers based in Mexico53
- Activated sludge system installers based in South Africa49
- Activated sludge system installers based in the Netherlands47
- Activated sludge system installers based in the United Arab Emirates44
- Activated sludge system installers based in Sweden26
Cities
Questions about this company list
What does Exact match mean for activated sludge system installers?
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 installers did RevenueBase find worldwide?
The saved snapshot records 4,065 matching company records, 53,714 tracked contacts and 14,087 verified emails. The public preview displays 25 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: September 19, 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
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Cite this list
RevenueBase Data Team. Top 25 activated sludge system installers worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/activated-sludge-system-installers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗