Company lists · Data refreshed November 2026

Top 25 Membrane bioreactor operators worldwide

RevenueBase identified 392 company matches for membrane bioreactor operators worldwide as of November 2026 and tracks 4,232 professional contacts across them, including 1,108 with verified work emails. India is the largest market and Ahmedabad the largest hub.

This list covers company matches for membrane bioreactor operators 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 November 6, 2026. Country and city lists for membrane bioreactor operators 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
392Companies
4,232Contacts tracked
1,108Verified emails
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The 25 largest membrane bioreactor operators worldwide

Ranked by team size
Top 25 of 392 company matches for membrane bioreactor operators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLenexa, KS, United StatesHQ recorded Nov 6, 2026201-500177 contacts →

Exact match

“S&L delivers long-lasting, reliable and easy-to-operate wastewater pumping and treatment systems for municipal, federal, and industrial-commercial applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAjman, United Arab EmiratesHQ recorded Nov 6, 2026201-500168 contacts →

Exact match

“Moalajah is a leading company providing water and waste-water services to its clients in UAE.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSingapore, United StatesHQ recorded Nov 6, 2026201-500165 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026201-500134 contacts →

Exact match

“Euroteck Environmental Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchVinhedo, BrazilHQ recorded Nov 6, 202651-200128 contacts →

Exact match

“A B&F Dias é referência mundial em soluções para tratamento de águas e efluentes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-200118 contacts →

Exact match

“We make water better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOklahoma City, OK, United StatesHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“At World Water Works, we strive to provide industrial and municipal customers with proven and cost-effective wastewater treatment solutions that deliver superior effluent quality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchGroot-ammers, NetherlandsHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“Logisticon Water Treatment designs and constructs complete water treatment installations for the preparation of drinking and process water, and for the treatment of communal and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“Founded in 1965, Wigen Water Technologies® is a global leader in the production of custom water treatment systems, specializing in cost-effective and reliable solutions for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHannon, ON, CanadaHQ recorded Nov 6, 202651-20071 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEłk, PolandHQ recorded Nov 6, 2026201-50055 contacts →

Exact match

“ESMIL Group is a leading global manufacturer of equipment for wastewater treatment and sludge dewatering, as well as a provider of advanced membrane systems for a wide range of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAhmedabad, IndiaHQ recorded Nov 6, 202651-20053 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchTemecula, CA, United StatesHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“AXEON Water Technologies is a manufacturer and distributor of membrane filtration systems, components, and services for industrial, commercial and residential applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchVaughan, ON, CanadaHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Water & Wastewater Treatment Equipment sales & service for industrial & municipal applications: grinders, screens, conveyors, SBRs, grit removal, aerators, diffusers, blowers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCape Town, South AfricaHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“We specialise in the design, manufacturing, installation, and operation of advanced water and wastewater treatment plants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrørup, DenmarkHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Om Aquagain Aquagain er en professionel og anerkendt producent og leverandør af effektive og miljørigtige løsninger, der bl.a.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSandy, UT, United StatesHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“ClearStream Environmental engineers high-performance water and wastewater treatment solutions for municipal and industrial applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchKettenbach, GermanyHQ recorded Nov 6, 2026201-50036 contacts →

Exact match

“Water Treatment’s product portfolio covers a range of water and waste water treatment processes with a focus on headworks, mechanical treatment and biological solutions deployed…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDubai Silicon Oasis, United Arab EmiratesHQ recorded Nov 6, 202651-20035 contacts →

Exact match

“We, at Emvees, pursue excellence in providing water and wastewater treatment systems for our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAhmedabad, IndiaHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“We are pleased to introduce ourselves as one of the leading water treatment and wastewater management solutions provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBastia Di Rovolon, ItalyHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Hydrotech Engineering is the world leader in treating industrial water and wastewater streams with semipermeable membrane technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAthlone, IrelandHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“OxyMem solves energy intensive wastewater treatment with an innovative ‘Drop in’ solution for wastewater aeration, the Membrane Aerated Biofilm Reactor (MABR).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLouisville, KY, United StatesHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Hydro Solutions, Inc, a multi-million dollar company, was founded in 1993 to focus on developing a nationwide business which specializes in providing engineered solutions for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAhmedabad, IndiaHQ recorded Nov 6, 202611-5029 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLommel, BelgiumHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Blue Foot Membranes engineers advanced membrane technology that helps industries and municipalities turn wastewater into a valuable resource.”

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

Showing 25 of 392 membrane bioreactor operators worldwide

See the full list, filter by size, metro and specialty, and access 1,108 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Membrane bioreactor operators worldwide at a glance

As of Nov 6, 2026
26.2%Verified-email coverage
10.8Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · Ahmedabad
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
125
11-50
155
51-200
74
201-500
22
501-1,000
6
1,001-5,000
1
5,001-10,000
2
10001+
1

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 membrane bioreactor operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “membrane bioreactor operators” 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 1,108 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.

Membrane bioreactor operators by location

3 lists · largest first

Every Membrane bioreactor operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “membrane bioreactor operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many membrane bioreactor operators are there worldwide?

RevenueBase identified 392 company matches for membrane bioreactor operators worldwide 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?

Smith & Loveless INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most membrane bioreactor operators?

India leads with 66 companies, followed by the United States (63) and Germany (27). Every membrane bioreactor operators list by country and city is linked on this page.

Which city has the most membrane bioreactor operators?

Ahmedabad leads with 8 company records, followed by Chennai (6) and Mumbai (5).

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 1,108 professional contacts with verified work emails tracked across these 392 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

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