Company lists · Data refreshed November 2026
Top 25 Stormwater management operators worldwide
RevenueBase identified 734 company matches for stormwater management operators worldwide as of November 2026 and tracks 16,322 professional contacts across them, including 6,201 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for stormwater management 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 stormwater management 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.
The 25 largest stormwater management operators worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,054 contacts → | ||||
Exact match “Une entreprise publique unique en Europe Son périmètre d'intervention englobe quatre départements et 180 communes reparties sur quatre autres départements, le SIAAP est - le seul…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 588 contacts → | ||||
Exact match “Wetterskip Fryslân zorgt voor schoon water én droge voeten in de provincie Fryslân en het Groninger Westerkwartier.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 538 contacts → | ||||
Exact match “Schoon, veilig en voldoende water: dat is onze missie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 512 contacts → | ||||
Exact match “Waterschap Rijn en IJssel zorgt voor het water in Oost-Gelderland, het zuiden van Overijssel en het zuidoosten van de Veluwe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 488 contacts → | ||||
Exact match “The Northeast Ohio Regional Sewer District protects public health and the environment by leading effective wastewater and stormwater management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 417 contacts → | ||||
Exact match “Wij zijn Waterschap Zuiderzeeland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 343 contacts → | ||||
Exact match “I Novafos er vi hverdagsmestre i at håndtere vand – rent vand i hanen, regnvand i byområder og renset spildevand, der ledes sikkert tilbage til naturen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 323 contacts → | ||||
Exact match “Veritas è la società per azioni a capitale interamente pubblico che fornisce servizi ambientali ai 51 Comuni soci (la Città metropolitana di Venezia e parte della provincia di…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 314 contacts → | ||||
Exact match “A Ambiental Ceará é a de esgoto da Cagece, a maior do país no setor de saneamento básico, e chega para somar na vida do cearense, ficando responsável pela ampliação, operação e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 248 contacts → | ||||
Exact match “ALCOSAN is one of the Pittsburgh region’s premiere environmental and public health organizations, treating wastewater for 83 Allegheny County communities, including the City of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 171 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 168 contacts → | ||||
Exact match “1st developer of solutions for mastering water sustainably.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 156 contacts → | ||||
Exact match “Stadtentwässerungsbetriebe Köln, AöR is a government administration company based out of Ostmerheimer Str.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 152 contacts → | ||||
Exact match “National Water Main Cleaning Co.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 151 contacts → | ||||
Exact match “AQUALIS is the national leader in water management, compliance and engineering, helping businesses meet complex water regulations while protecting long-term infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 149 contacts → | ||||
Exact match “Os SMAS - Serviços Municipalizados de Água e Saneamento do Município de Almada, são um serviço público de interesse local.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 146 contacts → | ||||
Exact match “EMAYA, Empresa Municipal d’Aigües i Clavegueram S.A, és una empresa la titularitat de la qual és de l'Ajuntament de Palma, que posseeix el 100% del seu capital social.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 134 contacts → | ||||
Exact match “Stormwater Solutions That Work.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 121 contacts → | ||||
Exact match “Ace Pipe Cleaning, Inc, headquartered in Kansas City, Missouri, is part of a nationwide network of 14 Carylon Corporation companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 118 contacts → | ||||
Exact match “Sinds 1962 is vandervalk+degroot uitgegroeid tot marktleider op het gebied van reiniging, inspectie en renovatie van diverse infrastructuurprojecten.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 118 contacts → | ||||
Exact match “Om Gryaab På Gryaab jobbar vi tillsammans för ett renare hav och en bättre miljö.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 112 contacts → | ||||
Exact match “StormTrap offers proven, leading-edge solutions for managing runoff, protecting waterways and improving the use of your property.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 91 contacts → | ||||
Exact match “Dragonfly Pond Works is an environmental service company specializing in lake, pond, and stormwater management and beautification.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 88 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 88 contacts → | ||||
Exact match “Headquartered in Columbia, Missouri, Alliance Water Resources is a leading provider of professional operations and maintenance services for community water and wastewater systems…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “stormwater management operators”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 734 stormwater management operators worldwide
See the full list, filter by size, metro and specialty, and access 6,201 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Stormwater management operators worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 stormwater management operators are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “stormwater management 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 6,201 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.
Stormwater management operators by location
4 lists · largest firstEvery Stormwater management 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 “stormwater management operators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many stormwater management operators are there worldwide?
RevenueBase identified 734 company matches for stormwater management 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?
SIAAP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most stormwater management operators?
The United States leads with 312 companies, followed by Germany (65) and France (42). Every stormwater management operators list by country and city is linked on this page.
Which city has the most stormwater management operators?
Houston leads with 7 company records, followed by Raleigh (5) and St. Louis (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 6,201 professional contacts with verified work emails tracked across these 734 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.
Ready to reach these companies? Verified emails and direct dials for all 734 stormwater management operators worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 stormwater management operators worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 734 matching company records for stormwater management operators worldwide, with 16,322 tracked contacts and 6,201 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 stormwater management operators worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  SIAAPsiaap.frHQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 1,054 contacts → |
“Une entreprise publique unique en Europe Son périmètre d'intervention englobe quatre départements et 180 communes reparties sur quatre autres départements, le SIAAP est - le seul…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Wetterskip Fryslânwetterskip.frlHQ: Leeuwarden, NetherlandsReported employees: 501-1,000 | Leeuwarden, Netherlands | 501-1,000 | Exact match | 588 contacts → |
“Wetterskip Fryslân zorgt voor schoon water én droge voeten in de provincie Fryslân en het Groninger Westerkwartier.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Waterschap Vechtstromenvechtstromen.nlHQ: Almelo, NetherlandsReported employees: 201-500 | Almelo, Netherlands | 201-500 | Exact match | 538 contacts → |
“Schoon, veilig en voldoende water: dat is onze missie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Waterschap Rijn EN Ijsselwrij.nlHQ: Doetinchem, NetherlandsReported employees: 501-1,000 | Doetinchem, Netherlands | 501-1,000 | Exact match | 512 contacts → |
“Waterschap Rijn en IJssel zorgt voor het water in Oost-Gelderland, het zuiden van Overijssel en het zuidoosten van de Veluwe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Northeast Ohio Regional Sewer Districtneorsd.orgHQ: Cleveland, OH, United StatesReported employees: 501-1,000 | Cleveland, OH, United States | 501-1,000 | Exact match | 488 contacts → |
“The Northeast Ohio Regional Sewer District protects public health and the environment by leading effective wastewater and stormwater management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Waterschap Zuiderzeelandzuiderzeeland.nlHQ: Lelystad, NetherlandsReported employees: 201-500 | Lelystad, Netherlands | 201-500 | Exact match | 417 contacts → |
“Wij zijn Waterschap Zuiderzeeland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Novafosnovafos.dkHQ: Birkerød, DenmarkReported employees: 201-500 | Birkerød, Denmark | 201-500 | Exact match | 343 contacts → |
“I Novafos er vi hverdagsmestre i at håndtere vand – rent vand i hanen, regnvand i byområder og renset spildevand, der ledes sikkert tilbage til naturen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Gruppo Veritasgruppoveritas.itHQ: Venice, ItalyReported employees: 1,001-5,000 | Venice, Italy | 1,001-5,000 | Exact match | 323 contacts → |
“Veritas è la società per azioni a capitale interamente pubblico che fornisce servizi ambientali ai 51 Comuni soci (la Città metropolitana di Venezia e parte della provincia di…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ambiental Cearáambientalceara.com.brHQ: Cariri Ao Litoral, BrazilReported employees: 501-1,000 | Cariri Ao Litoral, Brazil | 501-1,000 | Exact match | 314 contacts → |
“A Ambiental Ceará é a de esgoto da Cagece, a maior do país no setor de saneamento básico, e chega para somar na vida do cearense, ficando responsável pela ampliação, operação e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Alcosanalcosan.orgHQ: Pittsburgh, United StatesReported employees: 201-500 | Pittsburgh, United States | 201-500 | Exact match | 248 contacts → |
“ALCOSAN is one of the Pittsburgh region’s premiere environmental and public health organizations, treating wastewater for 83 Allegheny County communities, including the City of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Atlan Stormwateratlanstormwater.comHQ: Sydney Olympic Park, AustraliaReported employees: 201-500 | Sydney Olympic Park, Australia | 201-500 | Exact match | 171 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Solenosoleno.comHQ: Saint-jean-sur-richelieu, QC, CanadaReported employees: 501-1,000 | Saint-jean-sur-richelieu, QC, Canada | 501-1,000 | Exact match | 168 contacts → |
“1st developer of solutions for mastering water sustainably.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Stadtentwässerungsbetriebe Köln, AÖRsteb-koeln.deHQ: Cologne, GermanyReported employees: 501-1,000 | Cologne, Germany | 501-1,000 | Exact match | 156 contacts → |
“Stadtentwässerungsbetriebe Köln, AöR is a government administration company based out of Ostmerheimer Str.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  National Water Main Cleaning Companynwmcc-bos.comHQ: Kearny, CT, United StatesReported employees: 51-200 | Kearny, CT, United States | 51-200 | Exact match | 152 contacts → |
“National Water Main Cleaning Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Aqualisaqualisco.comHQ: Morrisville, CO, United StatesReported employees: 501-1,000 | Morrisville, CO, United States | 501-1,000 | Exact match | 151 contacts → |
“AQUALIS is the national leader in water management, compliance and engineering, helping businesses meet complex water regulations while protecting long-term infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Smas DE Almadasmasalmada.ptHQ: Pragal - Almada, PortugalReported employees: 201-500 | Pragal - Almada, Portugal | 201-500 | Exact match | 149 contacts → |
“Os SMAS - Serviços Municipalizados de Água e Saneamento do Município de Almada, são um serviço público de interesse local.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Emaya, S.Aemaya.esHQ: Palma De Mallorca, SpainReported employees: 1,001-5,000 | Palma De Mallorca, Spain | 1,001-5,000 | Exact match | 146 contacts → |
“EMAYA, Empresa Municipal d’Aigües i Clavegueram S.A, és una empresa la titularitat de la qual és de l'Ajuntament de Palma, que posseeix el 100% del seu capital social.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Greenrise Technologiesgreenrise.comHQ: Nashville, TN, United StatesReported employees: 501-1,000 | Nashville, TN, United States | 501-1,000 | Exact match | 134 contacts → |
“Stormwater Solutions That Work.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  ACE Pipe Cleaning INCacepipe.comHQ: Kansas City, TX, United StatesReported employees: 1,001-5,000 | Kansas City, TX, United States | 1,001-5,000 | Exact match | 121 contacts → |
“Ace Pipe Cleaning, Inc, headquartered in Kansas City, Missouri, is part of a nationwide network of 14 Carylon Corporation companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Verenigde Bedrijven Vandervalk Degroot B.Vvalkdegroot.nlHQ: Poeldijk, NetherlandsReported employees: 201-500 | Poeldijk, Netherlands | 201-500 | Exact match | 118 contacts → |
“Sinds 1962 is vandervalk+degroot uitgegroeid tot marktleider op het gebied van reiniging, inspectie en renovatie van diverse infrastructuurprojecten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Gryaab ABgryaab.seHQ: Gothenburg, SwedenReported employees: 51-200 | Gothenburg, Sweden | 51-200 | Exact match | 118 contacts → |
“Om Gryaab På Gryaab jobbar vi tillsammans för ett renare hav och en bättre miljö.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Stormtrapstormtrap.comHQ: Romeoville, IL, United StatesReported employees: 51-200 | Romeoville, IL, United States | 51-200 | Exact match | 112 contacts → |
“StormTrap offers proven, leading-edge solutions for managing runoff, protecting waterways and improving the use of your property.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Dragonfly Pond Worksdragonflypondworks.comHQ: Raleigh-durham, NC, United StatesReported employees: 51-200 | Raleigh-durham, NC, United States | 51-200 | Exact match | 91 contacts → |
“Dragonfly Pond Works is an environmental service company specializing in lake, pond, and stormwater management and beautification.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Montgomery, United StatesReported employees: 201-500 | Montgomery, United States | 201-500 | Exact match | 88 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Alliance Water Resourcesalliancewater.comHQ: Columbia, MO, United StatesReported employees: 201-500 | Columbia, MO, United States | 201-500 | Exact match | 88 contacts → |
“Headquartered in Columbia, Missouri, Alliance Water Resources is a leading provider of professional operations and maintenance services for community water and wastewater systems…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 734 company matches
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Stormwater management operators: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
722 records in the displayed employee bands.
12 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 734 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Stormwater management operators by location
4 lists · largest firstEvery Stormwater management operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for stormwater management operators?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many stormwater management operators did RevenueBase find worldwide?
The saved snapshot records 734 matching company records, 16,322 tracked contacts and 6,201 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 stormwater management operators worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/stormwater-management-operators.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 stormwater management operators worldwide
RevenueBase records 734 matching company records for stormwater management operators worldwide, with 16,322 tracked contacts and 6,201 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 stormwater management operators worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | SIAAPsiaap.fr HQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 1,054 contacts → |
“Une entreprise publique unique en Europe Son périmètre d'intervention englobe quatre départements et 180 communes reparties sur quatre autres départements, le SIAAP est - le seul…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Wetterskip Fryslânwetterskip.frl HQ: Leeuwarden, NetherlandsReported employees: 501-1,000 | Leeuwarden, Netherlands | 501-1,000 | Exact match | 588 contacts → |
“Wetterskip Fryslân zorgt voor schoon water én droge voeten in de provincie Fryslân en het Groninger Westerkwartier.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Waterschap Vechtstromenvechtstromen.nl HQ: Almelo, NetherlandsReported employees: 201-500 | Almelo, Netherlands | 201-500 | Exact match | 538 contacts → |
“Schoon, veilig en voldoende water: dat is onze missie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Waterschap Rijn EN Ijsselwrij.nl HQ: Doetinchem, NetherlandsReported employees: 501-1,000 | Doetinchem, Netherlands | 501-1,000 | Exact match | 512 contacts → |
“Waterschap Rijn en IJssel zorgt voor het water in Oost-Gelderland, het zuiden van Overijssel en het zuidoosten van de Veluwe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Northeast Ohio Regional Sewer Districtneorsd.org HQ: Cleveland, OH, United StatesReported employees: 501-1,000 | Cleveland, OH, United States | 501-1,000 | Exact match | 488 contacts → |
“The Northeast Ohio Regional Sewer District protects public health and the environment by leading effective wastewater and stormwater management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Waterschap Zuiderzeelandzuiderzeeland.nl HQ: Lelystad, NetherlandsReported employees: 201-500 | Lelystad, Netherlands | 201-500 | Exact match | 417 contacts → |
“Wij zijn Waterschap Zuiderzeeland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Novafosnovafos.dk HQ: Birkerød, DenmarkReported employees: 201-500 | Birkerød, Denmark | 201-500 | Exact match | 343 contacts → |
“I Novafos er vi hverdagsmestre i at håndtere vand – rent vand i hanen, regnvand i byområder og renset spildevand, der ledes sikkert tilbage til naturen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Gruppo Veritasgruppoveritas.it HQ: Venice, ItalyReported employees: 1,001-5,000 | Venice, Italy | 1,001-5,000 | Exact match | 323 contacts → |
“Veritas è la società per azioni a capitale interamente pubblico che fornisce servizi ambientali ai 51 Comuni soci (la Città metropolitana di Venezia e parte della provincia di…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ambiental Cearáambientalceara.com.br HQ: Cariri Ao Litoral, BrazilReported employees: 501-1,000 | Cariri Ao Litoral, Brazil | 501-1,000 | Exact match | 314 contacts → |
“A Ambiental Ceará é a de esgoto da Cagece, a maior do país no setor de saneamento básico, e chega para somar na vida do cearense, ficando responsável pela ampliação, operação e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Alcosanalcosan.org HQ: Pittsburgh, United StatesReported employees: 201-500 | Pittsburgh, United States | 201-500 | Exact match | 248 contacts → |
“ALCOSAN is one of the Pittsburgh region’s premiere environmental and public health organizations, treating wastewater for 83 Allegheny County communities, including the City of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Atlan Stormwateratlanstormwater.com HQ: Sydney Olympic Park, AustraliaReported employees: 201-500 | Sydney Olympic Park, Australia | 201-500 | Exact match | 171 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Solenosoleno.com HQ: Saint-jean-sur-richelieu, QC, CanadaReported employees: 501-1,000 | Saint-jean-sur-richelieu, QC, Canada | 501-1,000 | Exact match | 168 contacts → |
“1st developer of solutions for mastering water sustainably.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Stadtentwässerungsbetriebe Köln, AÖRsteb-koeln.de HQ: Cologne, GermanyReported employees: 501-1,000 | Cologne, Germany | 501-1,000 | Exact match | 156 contacts → |
“Stadtentwässerungsbetriebe Köln, AöR is a government administration company based out of Ostmerheimer Str.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | National Water Main Cleaning Companynwmcc-bos.com HQ: Kearny, CT, United StatesReported employees: 51-200 | Kearny, CT, United States | 51-200 | Exact match | 152 contacts → |
“National Water Main Cleaning Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Aqualisaqualisco.com HQ: Morrisville, CO, United StatesReported employees: 501-1,000 | Morrisville, CO, United States | 501-1,000 | Exact match | 151 contacts → |
“AQUALIS is the national leader in water management, compliance and engineering, helping businesses meet complex water regulations while protecting long-term infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Smas DE Almadasmasalmada.pt HQ: Pragal - Almada, PortugalReported employees: 201-500 | Pragal - Almada, Portugal | 201-500 | Exact match | 149 contacts → |
“Os SMAS - Serviços Municipalizados de Água e Saneamento do Município de Almada, são um serviço público de interesse local.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Emaya, S.Aemaya.es HQ: Palma De Mallorca, SpainReported employees: 1,001-5,000 | Palma De Mallorca, Spain | 1,001-5,000 | Exact match | 146 contacts → |
“EMAYA, Empresa Municipal d’Aigües i Clavegueram S.A, és una empresa la titularitat de la qual és de l'Ajuntament de Palma, que posseeix el 100% del seu capital social.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Greenrise Technologiesgreenrise.com HQ: Nashville, TN, United StatesReported employees: 501-1,000 | Nashville, TN, United States | 501-1,000 | Exact match | 134 contacts → |
“Stormwater Solutions That Work.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | ACE Pipe Cleaning INCacepipe.com HQ: Kansas City, TX, United StatesReported employees: 1,001-5,000 | Kansas City, TX, United States | 1,001-5,000 | Exact match | 121 contacts → |
“Ace Pipe Cleaning, Inc, headquartered in Kansas City, Missouri, is part of a nationwide network of 14 Carylon Corporation companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Verenigde Bedrijven Vandervalk Degroot B.Vvalkdegroot.nl HQ: Poeldijk, NetherlandsReported employees: 201-500 | Poeldijk, Netherlands | 201-500 | Exact match | 118 contacts → |
“Sinds 1962 is vandervalk+degroot uitgegroeid tot marktleider op het gebied van reiniging, inspectie en renovatie van diverse infrastructuurprojecten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gryaab ABgryaab.se HQ: Gothenburg, SwedenReported employees: 51-200 | Gothenburg, Sweden | 51-200 | Exact match | 118 contacts → |
“Om Gryaab På Gryaab jobbar vi tillsammans för ett renare hav och en bättre miljö.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Stormtrapstormtrap.com HQ: Romeoville, IL, United StatesReported employees: 51-200 | Romeoville, IL, United States | 51-200 | Exact match | 112 contacts → |
“StormTrap offers proven, leading-edge solutions for managing runoff, protecting waterways and improving the use of your property.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Dragonfly Pond Worksdragonflypondworks.com HQ: Raleigh-durham, NC, United StatesReported employees: 51-200 | Raleigh-durham, NC, United States | 51-200 | Exact match | 91 contacts → |
“Dragonfly Pond Works is an environmental service company specializing in lake, pond, and stormwater management and beautification.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Montgomery, United StatesReported employees: 201-500 | Montgomery, United States | 201-500 | Exact match | 88 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Alliance Water Resourcesalliancewater.com HQ: Columbia, MO, United StatesReported employees: 201-500 | Columbia, MO, United States | 201-500 | Exact match | 88 contacts → |
“Headquartered in Columbia, Missouri, Alliance Water Resources is a leading provider of professional operations and maintenance services for community water and wastewater systems…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Stormwater management operators: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
722 records in the displayed employee bands.
12 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 734 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Stormwater management operators by location
4 lists · largest firstEvery Stormwater management operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for stormwater management operators?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many stormwater management operators did RevenueBase find worldwide?
The saved snapshot records 734 matching company records, 16,322 tracked contacts and 6,201 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 stormwater management operators worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/stormwater-management-operators.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗