Company lists · Data refreshed September 2026

Top 10 Stormwater management system contractors based in Italy

RevenueBase identified 37 company matches for stormwater management system contractors associated with Italy as of September 2026 and tracks 265 professional contacts across them, including 105 with verified work emails. Bologna is the largest hub.

This list covers company matches for stormwater management system contractors associated with Italy, 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 18, 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 18, 2026 How this list was built
37Companies
265Contacts tracked
105Verified emails
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The 10 largest stormwater management system contractors based in Italy

Ranked by team size
Top 10 of 37 company matches for stormwater management system contractors based in Italy, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 18, 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 matchMantova, ItalyHQ recorded Sep 18, 202651-20091 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
2Exact matchForlì, ItalyHQ recorded Sep 18, 202611-5027 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
3Exact matchSeregno, ItalyHQ recorded Sep 18, 202611-5020 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
4Exact matchVenice, ItalyHQ recorded Sep 18, 202611-5010 contacts →

Exact match

“SWI Group | Over 25 Years of Expertise in Environment, Health & Safety Specialized in Turn-Key Water Management Solutions | EPC Contractor Since 2004, SWI Group has been driven by…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
5Exact matchCalderara Di Reno, ItalyHQ recorded Sep 18, 20261-108 contacts →

Exact match

“KESSEL has stood for innovative and safe drainage technology like no other company since 1963.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
6Exact matchCosta Di Rovigo, ItalyHQ recorded Sep 18, 202611-508 contacts →

Exact match

“Twincad S.r.l.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
7Exact matchChiari, ItalyHQ recorded Sep 18, 202611-508 contacts →

Exact match

“Since its founding in 1988, ITALPLANT S.r.l.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
8Exact matchCalderara Di Reno, ItalyHQ recorded Sep 18, 20261-106 contacts →

Exact match

“Azienda specializzata nella realizzazione di fognature per scarico acque bianche e nere sia per privati che per opere pubbliche anche da realizzare in galleria.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
9Exact matchCastel Gandolfo, ItalyHQ recorded Sep 18, 202611-504 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
10Exact matchGorizia, ItalyHQ recorded Sep 18, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase

Showing 10 of 37 stormwater management system contractors based in Italy

See the full list, filter by size, metro and specialty, and access 105 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Stormwater management system contractors based in Italy at a glance

As of Sep 18, 2026
39.6%Verified-email coverage
7.2Average contacts per company
11-50Median size (employees)
5.4%Largest-city concentration · Bologna
Sep 18, 2026Page data refreshed

Companies by employee count

1-10
13
11-50
17
51-200
7

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 37 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 Italy whose business descriptions match “stormwater management system contractors” 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 105 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 18, 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 “stormwater management system contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many stormwater management system contractors are there based in Italy?

RevenueBase identified 37 company matches for stormwater management system contractors associated with Italy 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?

S.T.A. Società Trattamento Acque SPA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most stormwater management system contractors?

Bologna leads with 2 company records, followed by Calderara Di Reno (2) and Pozzuoli (2).

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 105 professional contacts with verified work emails tracked across these 37 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 18, 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.