Company lists · Data refreshed September 2026

Top 25 Petroleum refinery wastewater treatment builders worldwide

RevenueBase identified 2,396 company matches for petroleum refinery wastewater treatment builders worldwide as of September 2026 and tracks 27,999 professional contacts across them, including 6,299 with verified work emails. India is the largest market and Pune the largest hub.

This list covers company matches for petroleum refinery wastewater treatment builders 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 20, 2026. Country and city lists for petroleum refinery wastewater treatment builders 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 Sep 20, 2026 How this list was built
2,396Companies
27,999Contacts tracked
6,299Verified emails
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The 25 largest petroleum refinery wastewater treatment builders worldwide

Ranked by team size
Top 25 of 2,396 company matches for petroleum refinery wastewater treatment builders worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchKadima, IsraelHQ recorded Sep 20, 2026501-1,000603 contacts →

Exact match

“A world leader in water treatment solutions, IDE specializes in the development, engineering, construction and operation of enhanced desalination and industrial water treatment…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 20, 2026501-1,000554 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 20, 2026 · View company records in RevenueBase
3Exact matchDelhi, IndiaHQ recorded Sep 20, 2026501-1,000323 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 20, 2026 · View company records in RevenueBase
4Exact matchSão Paulo, BrazilHQ recorded Sep 20, 20261,001-5,000307 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 20, 2026 · View company records in RevenueBase
5Exact matchOld Saybrook, CT, United StatesHQ recorded Sep 20, 2026501-1,000295 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 20, 2026 · View company records in RevenueBase
6Exact matchMandeville, LA, JamaicaHQ recorded Sep 20, 2026201-500290 contacts →

Exact match

“For over 96 years, MECO has been a world leader in designing and constructing engineered solutions for water purification.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchPune, IndiaHQ recorded Sep 20, 2026501-1,000287 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchCapinzal, BrazilHQ recorded Sep 20, 2026201-500275 contacts →

Exact match

“Somos uma das principais indústrias do segmento metalmecânico, com sede em Santa Catarina e atuação internacional.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchIrvine, CA, United StatesHQ recorded Sep 20, 2026n/a233 contacts →

Exact match

“Chemical Engineering Partners (CEP) is a world leader in used oil re-refining designs and process technology.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchSingaporeHQ recorded Sep 20, 2026501-1,000227 contacts →

Exact match

“The Tialoc Group,(formely known as atea environmental technology) founded in 2001, is at the forefront of providing environmental technology solutions for a varied range of…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchAntalya, TürkiyeHQ recorded Sep 20, 2026201-500221 contacts →

Exact match

“Esli PWG Ltd.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchCoraopolis, PA, United StatesHQ recorded Sep 20, 2026201-500185 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 20, 2026 · View company records in RevenueBase
13Exact matchSingapore, United StatesHQ recorded Sep 20, 2026201-500179 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 20, 2026 · View company records in RevenueBase
14Exact matchBilbao-bilbo, SpainHQ recorded Sep 20, 202651-200173 contacts →

Exact match

“We specialize in the design, construction, and operation of water treatment facilities.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchSutherlin, OR, United StatesHQ recorded Sep 20, 2026201-500170 contacts →

Exact match

“Nobody wants to worry about whether their wastewater is contaminating nearby rivers, streams, and wells.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchRandfontein, South AfricaHQ recorded Sep 20, 2026201-500165 contacts →

Exact match

“Watercare Innovations is a water purification supplier, delivering tailor-made solutions in the fields of water treatment chemicals, and engineered plants such as potable and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchSydney Olympic Park, AustraliaHQ recorded Sep 20, 2026201-500147 contacts →

Exact match

“At Atlan Stormwater, we draw on more than 45 years’ experience in the design, testing and manufacture of water treatment systems that are utilised in over 45 countries.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchCoventry, United KingdomHQ recorded Sep 20, 20261,001-5,000137 contacts →

Exact match

“Severn Trent Services offer a range of services to municipal and industrial clients, including the Ministry of Defence and the Coal Authority, for design, build and operation of…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchHyderabad, IndiaHQ recorded Sep 20, 2026201-500133 contacts →

Exact match

“Euroteck Environmental Pvt.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchAnaheim, CA, United StatesHQ recorded Sep 20, 202651-200133 contacts →

Exact match

“Tomorrow Water is an innovative environmental solutions company specializing in both wastewater and organic waste treatment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchBarueri, BrazilHQ recorded Sep 20, 202651-200121 contacts →

Exact match

“A Attend Ambiental é fruto da parceria entre: • a Sabesp, uma das maiores empresas de saneamento do mundo, e • a Latte Saneamento, maior empresa de serviços ambientais do Brasil.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchVinhedo, BrazilHQ recorded Sep 20, 202651-200116 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchZwingenberg, GermanyHQ recorded Sep 20, 202651-200113 contacts →

Exact match

“We from PWT Wasser- und Abwassertechnik GmbH with headquarter in Zwingenberg Germany (Close to Frankfurt am Main, Mannheim and Darmstadt) are speacialized as turnkey supplier…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchWharton, NJ, United StatesHQ recorded Sep 20, 202651-200106 contacts →

Exact match

“GWTT is one of the only U.S.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchCelrà, SpainHQ recorded Sep 20, 202651-200104 contacts →

Exact match

“For more than 20 years we have developed, planned and installed "turnkey" waste treatment plants all over the world and we are the leading manufacturer of equipment for the sector.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 2,396 petroleum refinery wastewater treatment builders worldwide

See the full list, filter by size, metro and specialty, and access 6,299 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Petroleum refinery wastewater treatment builders worldwide at a glance

As of Sep 20, 2026
22.5%Verified-email coverage
11.7Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · Pune
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
837
11-50
1,002
51-200
407
201-500
103
501-1,000
20
1,001-5,000
11
5,001-10,000
3
10001+
3

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 petroleum refinery wastewater treatment builders are linked below.
What qualifies
Company records worldwide whose business descriptions match “petroleum refinery wastewater treatment builders” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. 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 6,299 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 20, 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.

Petroleum refinery wastewater treatment builders by location

14 lists · largest first

Every Petroleum refinery wastewater treatment builders 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 “petroleum refinery wastewater treatment builders”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many petroleum refinery wastewater treatment builders are there worldwide?

RevenueBase identified 2,396 company matches for petroleum refinery wastewater treatment builders 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?

IDE Technologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most petroleum refinery wastewater treatment builders?

India leads with 370 companies, followed by the United States (294) and Italy (124). Every petroleum refinery wastewater treatment builders list by country and city is linked on this page.

Which city has the most petroleum refinery wastewater treatment builders?

Pune leads with 38 company records, followed by Tehran (36) and Ahmedabad (28).

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 6,299 professional contacts with verified work emails tracked across these 2,396 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 20, 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.