Company lists · Data refreshed September 2026

Top 25 Petroleum refinery wastewater treatment builders based in Germany

RevenueBase identified 88 company matches for petroleum refinery wastewater treatment builders associated with Germany as of September 2026 and tracks 865 professional contacts across them, including 265 with verified work emails. Berlin is the largest hub.

This list covers company matches for petroleum refinery wastewater treatment builders associated with Germany, 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.

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
88Companies
865Contacts tracked
265Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest petroleum refinery wastewater treatment builders based in Germany

Ranked by team size
Top 25 of 88 company matches for petroleum refinery wastewater treatment builders based in Germany, 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 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
2Exact matchSteinen, GermanyHQ recorded Sep 20, 202651-20070 contacts →

Exact match

“Water is one of the most precious resources on our planet.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchErlangen, GermanyHQ recorded Sep 20, 202651-20045 contacts →

Exact match

“INVENT Umwelt- und Verfahrenstechnik AG - Leaders in mixing and aeration Water is the origin and source of all life.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchHöhr-grenzhausen, GermanyHQ recorded Sep 20, 202651-20036 contacts →

Exact match

“In addition to regeneration plants for process media, Steuler Anlagenbau designs and supplies complete plant systems for finishing metal surfaces, the treatment and conditioning…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchFriedberg (hessen), GermanyHQ recorded Sep 20, 202651-20029 contacts →

Exact match

“Anlagenbau für Wasser- und Abwassertechnik Labore / Institute / Krankenhäuser und Industrie EnviroDTS ist spezialisiert auf die komplette Abwasseraufbereitung und…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchMonheim, GermanyHQ recorded Sep 20, 202651-20027 contacts →

Exact match

“Success story - tradition becomes innovation MKR Metzger can look back on three successful decades.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchPorta Westfalica, GermanyHQ recorded Sep 20, 202651-20027 contacts →

Exact match

“ATB WATER - Small sewage treatment plants, wastewater treatment technology and sewage technology for every challenge in industry.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchBabenhausen, GermanyHQ recorded Sep 20, 202651-20020 contacts →

Exact match

“ALMAWATECH – Anlagenbau & Prozesslösungen für industrielle Wassertechnik Die ALMAWATECH GmbH ist ein familiengeführtes Unternehmen mit langer Tradition in der industriellen…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchPutzbrunn, GermanyHQ recorded Sep 20, 202611-5018 contacts →

Exact match

“BIOWORKS® offers full design and execution of process solutions for a whole variety of waste water treatment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchPohlheim, GermanyHQ recorded Sep 20, 202651-20015 contacts →

Exact match

“FSM Frankenberger GmbH & Co.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchOberndorf A.n., GermanyHQ recorded Sep 20, 202611-5014 contacts →

Exact match

“As a plant constructor we offer you a comprehensive range of services in the field of water and waste water treatment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchNuremberg, GermanyHQ recorded Sep 20, 202651-20014 contacts →

Exact match

“Ingenieurskunst seit 120 Jahren Das Ingenieurbüro Miller ist ein im Bereich Umweltschutz tätiges Ingenieurbüro.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchNorderstedt Bei Hamburg, GermanyHQ recorded Sep 20, 202611-5010 contacts →

Exact match

“TRITON WATER® AG, founded in Hamburg in 1851, offers customized solutions especially for industrial water and waste water treatment for the Food & Beverage, Oil & Gas and Energy…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchBremen, GermanyHQ recorded Sep 20, 202611-508 contacts →

Exact match

“Die Bremer pro aqua Wasser- und Abwasser GmbH arbeitet mit einem seit Jahren eingespielten Team aus hochqualifizierten und erfahrenen Ingenieuren, Technikern und Monteuren.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchFöritztal, GermanyHQ recorded Sep 20, 202611-508 contacts →

Exact match

“The service portfolio ranges from the design, construction and maintenance of complete water treatment plants for industry and commerce to the sale of individual components of…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchPassau, GermanyHQ recorded Sep 20, 202611-508 contacts →

Exact match

“Wir sind ein fachübergreifendes Team aus engagierten Chemikern, Umwelttechnikern und Verfahrensingenieuren mit dem Schwerpunkt Abwasserreinigung.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchNattenheim, GermanyHQ recorded Sep 20, 202611-508 contacts →

Exact match

“BITControl ist Fachplaner für Verfahrenstechnik, Maschinen- und Elektrotechnik für den Bereich Abwasserreinigung und Abwasserentsorgung.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchHebertshausen, GermanyHQ recorded Sep 20, 202611-507 contacts →

Exact match

“We make industrial water treatment more efficient, more sustainable and more reliable.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchBöbingen An Der Rems, GermanyHQ recorded Sep 20, 202611-507 contacts →

Exact match

“Die aqua plus Wasser- und Recyclingsysteme GmbH mit Sitz in Böbingen an der Rems (Deutschland) ist ein dynamisches, innovatives Unternehmen im Bereich industriellen Wasser- und…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchReutlingen, GermanyHQ recorded Sep 20, 202611-506 contacts →

Exact match

“Since 1982, we have been developing and building processes and systems to reduce the burden on the environment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchSeybothenreuth, GermanyHQ recorded Sep 20, 202611-506 contacts →

Exact match

“utp umwelttechnik specializes in developing and implementing innovative water and wastewater treatment systems for municipal and industrial applications.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchWeißenburg In Bayern, GermanyHQ recorded Sep 20, 202611-505 contacts →

Exact match

“Als Ingenieurbüro für Wasserwirtschaft und Abwassertechnik planen wir kommunale und industrielle Kläranlagen sowie Kanalnetze und Wasserableitungen und sorgen gleichsam für deren…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchKeltern, GermanyHQ recorded Sep 20, 202611-505 contacts →

Exact match

“Wir planen und bauen Anlagen für Wasseraufbereitung und Abwassertechnik in industriellen Anwendungen.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchRheine, GermanyHQ recorded Sep 20, 202611-505 contacts →

Exact match

“Unser Fachgebiet umfasst die maschinelle Ausrüstung, Sanierung und Erweiterung von Kläranlagen.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchEislingen/fils, GermanyHQ recorded Sep 20, 20261-104 contacts →

Exact match

Recorded description not available.

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

Showing 25 of 88 petroleum refinery wastewater treatment builders based in Germany

See the full list, filter by size, metro and specialty, and access 265 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Petroleum refinery wastewater treatment builders based in Germany at a glance

As of Sep 20, 2026
30.6%Verified-email coverage
9.8Average contacts per company
11-50Median size (employees)
4.5%Largest-city concentration · Berlin
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
23
11-50
42
51-200
20
201-500
1

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 88 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 Germany 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. 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 265 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.

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 based in Germany?

RevenueBase identified 88 company matches for petroleum refinery wastewater treatment builders associated with Germany 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?

PWT Wasser- UND Abwassertechnik Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most petroleum refinery wastewater treatment builders?

Berlin leads with 4 company records, followed by Hamburg (4) and Dresden (3).

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 265 professional contacts with verified work emails tracked across these 88 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.

Ready to reach these companies? Verified emails and direct dials for all 88 petroleum refinery wastewater treatment builders based in Germany. Start with a free account, no credit card.

Download this list →

Related lists

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.