Company lists · Data refreshed September 2026

Top 25 Industrial waste water treatment companies based in Italy

Name: Industrial waste water treatment companies based in Italy
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 15, 2026 366 companies tracked

RevenueBase identified 366 industrial waste water treatment companies headquartered in Italy as of September 2026 and tracks 3,230 professional contacts across them, including 834 with verified work emails. Roma is the largest hub.

This list covers industrial waste water treatment companies headquartered in Italy, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 15, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 15, 2026 86% judged on-target in blind review

366Companies

3,230Contacts tracked

834Verified emails

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The 25 largest industrial waste water treatment companies based in Italy

Ranked by team size

Top 25 of 366 industrial waste water treatment companies based in Italy, ranked by team size, largest first. Data refreshed Sep 15, 2026. RevenueBase Smart Search rates how each company's information relates to industrial waste water treatment companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Unidro	Strong evidence	Sesto San Giovanni, ItalyHQ checked Sep 15, 2026	51-200	126 contacts →
	Strong evidence “Established in 1971, Unidro is a global player in water, wastewater and utilities related process technology for the industrial markets.” Source: RevenueBase Database · checked Sep 15, 2026
2	S.T.A. Società Trattamento Acque SPA	Partial evidence	Mantova, ItalyHQ checked Sep 15, 2026	51-200	91 contacts →
	Partial evidence “STA aiuta le Società di Gestione del Servizio Idrico e le Piccole, Medie e Grandi Industrie a progettare, costruire e gestire impianti di trattamento delle acque reflue, primarie…” Source: RevenueBase Database · checked Sep 15, 2026
3	Sodai S.P.A	Indirect evidence	Milano, ItalyHQ checked Sep 15, 2026	51-200	74 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 15, 2026
4	Tm.E. S.P.A.	Strong evidence	La Spezia, ItalyHQ checked Sep 15, 2026	201-500	60 contacts →
	Strong evidence “Design, project management, supply, construction, commissioning and service of complete facilities, or their parts, for waste treatment with energy production, for water treatment…” Source: RevenueBase Database · checked Sep 15, 2026
5	Bernardinello Engineering SPA	Indirect evidence	Cadoneghe, ItalyHQ checked Sep 15, 2026	51-200	53 contacts →
	Indirect evidence “Nata nel 1995 alle porte di Padova, Bernadinello Engineering si è ritagliata una posizione di assoluta eccellenza nel trattamento delle acque e nell’ingegneria di processo in…” Source: RevenueBase Database · checked Sep 15, 2026
6	GDN SRL	Strong evidence	ItalyHQ checked Sep 15, 2026	11-50	39 contacts →
	Strong evidence “WHAT WE DO GDN srl Water Treatment is specialized in manufacturing, selling and supplying turnkey equipments for water treatment, starting from the pretreatment of raw water from…” Source: RevenueBase Database · checked Sep 15, 2026
7	Co.Par.M. SRL	Partial evidence	Ferrandina, ItalyHQ checked Sep 15, 2026	51-200	35 contacts →
	Partial evidence “Waste recovery machinery and facilities Founded by the Aliuzzi family in 1977, Co.par.m.” Source: RevenueBase Database · checked Sep 15, 2026
8	Orange SRL	Partial evidence	Florence, ItalyHQ checked Sep 15, 2026	11-50	33 contacts →
	Partial evidence “ORANGE, fondata nel 2007 con sede a Firenze, è un importante operatore nel settore italiano del trattamento delle acque industriali.” Source: RevenueBase Database · checked Sep 15, 2026
9	Cesaro MAC Import	Indirect evidence	Eraclea, ItalyHQ checked Sep 15, 2026	11-50	30 contacts →
	Indirect evidence “Cesaro Mac.” Source: RevenueBase Database · checked Sep 15, 2026
10	Simpec	Indirect evidence	Nova Milanese, ItalyHQ checked Sep 15, 2026	51-200	29 contacts →
	Indirect evidence “Simpec is division of STA SpA from 2025/01/01.” Source: RevenueBase Database · checked Sep 15, 2026
11	Fraccaroli E Balzan S.P.A	Indirect evidence	Pescantina, ItalyHQ checked Sep 15, 2026	51-200	28 contacts →
	Indirect evidence “OUR COMPANY: Fraccaroli & Balzan s.p.a.” Source: RevenueBase Database · checked Sep 15, 2026
12	PPT Tecnologie Ambientali	Indirect evidence	San Giovanni Lupatoto, ItalyHQ checked Sep 15, 2026	11-50	28 contacts →
	Indirect evidence “PPT Tecnologie Ambientali opera in campo ambientale dal 1982 e cura la realizzazione di impianti di trattamento in tutte le sue fasi: dalla studio preliminare alla progettazione e…” Source: RevenueBase Database · checked Sep 15, 2026
13	Circular Materials	Partial evidence	Cadoneghe, ItalyHQ checked Sep 15, 2026	11-50	27 contacts →
	Partial evidence “Circular Materials is an innovative company with a proprietary technology for the recovery of strategic metals from industrial wastewater through a sustainable and highly…” Source: RevenueBase Database · checked Sep 15, 2026
14	Depuracque Servizi S.R.L	Indirect evidence	Salzano, ItalyHQ checked Sep 15, 2026	51-200	27 contacts →
	Indirect evidence “Trattamento e stoccaggio provvisorio dei rifiuti speciali, anche tossici e nocivi, costituiti da acque reflue di processi tecnologici, delle seguenti tipologie e provenienze:” Source: RevenueBase Database · checked Sep 15, 2026
15	Torricelli	Indirect evidence	Forlì, ItalyHQ checked Sep 15, 2026	11-50	27 contacts →
	Indirect evidence “Torricelli s.r.l, impianti per l’ecologia, opera su tutto il territorio nazionale ed estero per la progettazione, realizzazione e gestione di impianti in campo ambientale…” Source: RevenueBase Database · checked Sep 15, 2026
16	Protecno SRL	Indirect evidence	Mondolfo, ItalyHQ checked Sep 15, 2026	51-200	27 contacts →
	Indirect evidence “Professional-Technology: these simple words sum up our management strategy.” Source: RevenueBase Database · checked Sep 15, 2026
17	Wisco S.P.A.	Indirect evidence	Monza, ItalyHQ checked Sep 15, 2026	51-200	27 contacts →
	Indirect evidence “In WISCO S.p.A.” Source: RevenueBase Database · checked Sep 15, 2026
18	Hydrotech Engineering S.R.L	Strong evidence	Bastia Di Rovolon, ItalyHQ checked Sep 15, 2026	11-50	27 contacts →
	Strong evidence “Hydrotech Engineering is the world leader in treating industrial water and wastewater streams with semipermeable membrane technology.” Source: RevenueBase Database · checked Sep 15, 2026
19	Waternext Group	Indirect evidence	Milano, ItalyHQ checked Sep 15, 2026	11-50	25 contacts →
	Indirect evidence “WaterNext Group is a trailblazing enterprise specializing in engineering, construction, and efficient plant management.” Source: RevenueBase Database · checked Sep 15, 2026
20	Dife SPA	Partial evidence	Serravalle Pistoiese, ItalyHQ checked Sep 15, 2026	51-200	23 contacts →
	Partial evidence “Dife si occupa, da oltre 40 anni, di raccolta, trasporto e trattamento di rifiuti industriali da avviare a recupero e/o a smaltimento L’azienda nasce nel 1978 nel settore del…” Source: RevenueBase Database · checked Sep 15, 2026
21	IWM Depuratori D'acqua	Indirect evidence	Cinisello Balsamo, ItalyHQ checked Sep 15, 2026	11-50	21 contacts →
	Indirect evidence “Siamo in Italia una tra le più importanti e storiche aziende nel settore del trattamento delle acque potabili.” Source: RevenueBase Database · checked Sep 15, 2026
22	Intereco Servizi S.R.L	Indirect evidence	Pomezia, ItalyHQ checked Sep 15, 2026	51-200	21 contacts →
	Indirect evidence “InterEco Servizi s.r.l- Leader nei servizi ambientali e partner per le imprese e gli enti pubblici Attiva da oltre venti anni, INTERECO SERVIZI S.r.l.” Source: RevenueBase Database · checked Sep 15, 2026
23	Idro Group SRL	Indirect evidence	Seregno, ItalyHQ checked Sep 15, 2026	11-50	20 contacts →
	Indirect evidence “Idro è una società presente sul mercato da più di 40anni, altamente specializzata nel settore ambientale: progetta e realizza impianti per il trattamento delle acque reflue civili…” Source: RevenueBase Database · checked Sep 15, 2026
24	3v Green Eagle	Partial evidence	Bergamo, ItalyHQ checked Sep 15, 2026	11-50	20 contacts →
	Partial evidence “3V Green Eagle is a leading environmental services company for many industrial sectors, from the chemical and pharmaceutical industries to O&G, which can rely on us as a…” Source: RevenueBase Database · checked Sep 15, 2026
25	Dorabaltea Depurazione Acque Reflue	Indirect evidence	Arezzo, ItalyHQ checked Sep 15, 2026	11-50	20 contacts →
	Indirect evidence “Dorabaltea® depurazione acque è oggi riconosciuta a livello internazionale come azienda di riferimento nel settore del trattamento delle acque reflue domestiche, assimilate ed…” Source: RevenueBase Database · checked Sep 15, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: industrial waste water treatment companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names industrial waste water treatment companies.
Partial evidence: Its own public description names part of industrial waste water treatment companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name industrial waste water treatment companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 366 industrial waste water treatment companies based in Italy

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Industrial waste water treatment companies based in Italy at a glance

As of Sep 15, 2026

25.8%Verified-email coverage

8.8Average contacts per company

11-50Median size (employees)

2.2%Largest-city concentration · Roma

Sep 15, 2026Page data refreshed

Companies by employee count

1-10

146

11-50

175

51-200

201-500

10001+

Email recency for this list is measured worldwide rather than for Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 366 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among industrial waste water treatment companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Italy whose own description of what they do matches “industrial waste water treatment companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names industrial waste water treatment companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among industrial waste water treatment companies, and records with no verified work email. Companies headquartered outside Italy are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 834 across the full list. 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 15, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names industrial waste water treatment companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many industrial waste water treatment companies are there based in Italy?

RevenueBase identified 366 industrial waste water treatment companies headquartered in Italy as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Unidro, headquartered in Sesto San Giovanni, tops this list with the largest team on record.

Which city has the most industrial waste water treatment companies?

Roma leads with 8 headquartered companies, followed by Milano Mi (7) and Milano (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 834 verified decision-maker contacts tracked across these 366 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 15, 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 Smart Search, 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.