Company lists · Data refreshed October 2026
Top 25 Constructed wetland system contractors worldwide
RevenueBase identified 687 company matches for constructed wetland system contractors worldwide as of October 2026 and tracks 11,335 professional contacts across them, including 4,399 with verified work emails. The United States is the largest market and Tehran the largest hub.
This list covers company matches for constructed wetland system contractors 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 October 10, 2026. Country and city lists for constructed wetland system contractors 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 constructed wetland system contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,811 contacts → | ||||
Exact match “For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 2 | 691 contacts → | ||||
Exact match “Since its establishment, Ward & Burke has sought to develop and adopt the ideals and aspirations to civil engineering construction and currently delivers class leading, reliable…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 3 | 678 contacts → | ||||
Exact match “As the nation’s largest nature-based solutions company, RES (Resource Environmental Solutions) is restoring a resilient earth for a modern world, project by project.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 4 | 328 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 5 | 294 contacts → | ||||
Exact match “Entreprise spécialisée en génie environnemental, Brézillon agit depuis près de 30 ans pour préserver, restaurer et valoriser les terrains sur l’ensemble du territoire national.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 6 | 278 contacts → | ||||
Exact match “AMENHYD spa, a private company under Algerian law, has been a pioneer and leader in the fields of the environment for 25 years.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 7 | 185 contacts → | ||||
Exact match “We specialize in the design, construction, and operation of water treatment facilities.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 8 | 183 contacts → | ||||
Exact match “HNB ENGINEERS PVT.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 9 | 168 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 10 | 152 contacts → | ||||
Exact match “Founded in Sovereign is an environmental and water and wastewater construction firm with offices throughout the country.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 11 | 147 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 12 | 131 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 13 | 127 contacts → | ||||
Exact match “Headquartered in Escondido, California, Filanc is an award-winning, general engineering and design-build contractor that solely constructs, renovates, and expands water and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 14 | 124 contacts → | ||||
Exact match “At Rice Lake Construction Group, we know water.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 15 | 109 contacts → | ||||
Exact match “Our mission is to be the keystone species in the restoration of the Chesapeake Bay.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 16 | 107 contacts → | ||||
Exact match “Land + Water is more than just a dredging company.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 17 | 89 contacts → | ||||
Exact match “Incorporated in 1977 and based in Singapore, Hitachi Aqua-Tech has built a strong reputation as a specialist in water management solutions.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 18 | 86 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 19 | 85 contacts → | ||||
Exact match “Founded in 1965, D&B Engineers and Architects (D&B) is committed to improving quality of life with innovative engineering solutions in sustainable, environmentally acceptable…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 20 | 80 contacts → | ||||
Exact match “A Rotária do Brasil é uma empresa de Engenharia especializada em projetos, implantação e operação de sistemas de tratamento de efluentes/esgotos e água potável.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 21 | 75 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 22 | 74 contacts → | ||||
Exact match “Staab Construction Corporation is one of the premier builders of municipal and industrial water and wastewater treatment systems in the Midwest.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 23 | 70 contacts → | ||||
Exact match “Building Crafts, Inc.(BCI) specializes as a general contractor primarily in the Design and Installation of industrial and municipal water and wastewater treatment plants.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 24 | 68 contacts → | ||||
Exact match “TLC Diversified is one of the leading privately held construction firms in the state of Florida specializing in water and wastewater infrastructure.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 25 | 62 contacts → | ||||
Exact match “The Probst Group, LLC (TPG) is an engineering firm specializing in industrial wastewater management.” Recorded in the RevenueBase company graph · Oct 10, 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 “constructed wetland system contractors”. 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 687 constructed wetland system contractors worldwide
See the full list, filter by size, metro and specialty, and access 4,399 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Constructed wetland system contractors worldwide at a glance
As of Oct 10, 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 constructed wetland system contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “constructed wetland 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. 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 4,399 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 October 10, 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.
Constructed wetland system contractors by location
5 lists · largest firstEvery Constructed wetland system contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Constructed wetland system contractors based in the United States193
- Constructed wetland system contractors based in India46
- Constructed wetland system contractors based in France39
- Constructed wetland system contractors based in the United Kingdom38
- Constructed wetland system contractors based in Italy28
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 “constructed wetland system contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many constructed wetland system contractors are there worldwide?
RevenueBase identified 687 company matches for constructed wetland system contractors worldwide as of October 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?
Carollo Engineers tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most constructed wetland system contractors?
The United States leads with 193 companies, followed by India (46) and France (39). Every constructed wetland system contractors list by country and city is linked on this page.
Which city has the most constructed wetland system contractors?
Tehran leads with 8 company records, followed by Basaksehir (4) and Delhi (4).
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 4,399 professional contacts with verified work emails tracked across these 687 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 October 10, 2026.
Ready to reach these companies? Verified emails and direct dials for all 687 constructed wetland system contractors 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 constructed wetland system contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 687 matching company records for constructed wetland system contractors worldwide, with 11,335 tracked contacts and 4,399 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: October 10, 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 constructed wetland system contractors 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 |  Carollo Engineerscarollo.comHQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 1,811 contacts → |
“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Ward And Burkewardandburke.comHQ: Kilcolgan, IrelandReported employees: 1,001-5,000 | Kilcolgan, Ireland | 1,001-5,000 | Exact match | 691 contacts → |
“Since its establishment, Ward & Burke has sought to develop and adopt the ideals and aspirations to civil engineering construction and currently delivers class leading, reliable…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Bellaire, TX, United StatesReported employees: 501-1,000 | Bellaire, TX, United States | 501-1,000 | Exact match | 678 contacts → |
“As the nation’s largest nature-based solutions company, RES (Resource Environmental Solutions) is restoring a resilient earth for a modern world, project by project.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Enviro Infra Engineers LTDeiel.in HQ: Delhi, IndiaReported employees: 501-1,000 | Delhi, India | 501-1,000 | Exact match | 328 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Brézillonbrezillon.frHQ: Margny-lès-compiègne, FranceReported employees: 51-200 | Margny-lès-compiègne, France | 51-200 | Exact match | 294 contacts → |
“Entreprise spécialisée en génie environnemental, Brézillon agit depuis près de 30 ans pour préserver, restaurer et valoriser les terrains sur l’ensemble du territoire national.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Amenhydamenhyd.com HQ: Bab Ezzouar, AlgeriaReported employees: 1,001-5,000 | Bab Ezzouar, Algeria | 1,001-5,000 | Exact match | 278 contacts → |
“AMENHYD spa, a private company under Algerian law, has been a pioneer and leader in the fields of the environment for 25 years.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Cadagua, A Ferrovial Companycadagua.esHQ: Bilbao-bilbo, SpainReported employees: 51-200 | Bilbao-bilbo, Spain | 51-200 | Exact match | 185 contacts → |
“We specialize in the design, construction, and operation of water treatment facilities.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HNB Engineers Pvt. LTDhnbc.in HQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 183 contacts → |
“HNB ENGINEERS PVT.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Atlan Stormwateratlanstormwater.comHQ: Sydney Olympic Park, AustraliaReported employees: 201-500 | Sydney Olympic Park, Australia | 201-500 | Exact match | 168 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 · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sovereign Consulting INCsovcon.com HQ: Robbinsville, NJ, United StatesReported employees: 51-200 | Robbinsville, NJ, United States | 51-200 | Exact match | 152 contacts → |
“Founded in Sovereign is an environmental and water and wastewater construction firm with offices throughout the country.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Severn Trent Servicesstservices.co.ukHQ: Coventry, United KingdomReported employees: 1,001-5,000 | Coventry, United Kingdom | 1,001-5,000 | Exact match | 147 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Tomorrow Watertomorrowwater.com HQ: Anaheim, CA, United StatesReported employees: 51-200 | Anaheim, CA, United States | 51-200 | Exact match | 131 contacts → |
“Tomorrow Water is an innovative environmental solutions company specializing in both wastewater and organic waste treatment.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Filancfilanc.com HQ: Escondido, CA, United StatesReported employees: 201-500 | Escondido, CA, United States | 201-500 | Exact match | 127 contacts → |
“Headquartered in Escondido, California, Filanc is an award-winning, general engineering and design-build contractor that solely constructs, renovates, and expands water and…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rice Lake Construction Groupricelake.org HQ: Deerwood, MN, United StatesReported employees: 201-500 | Deerwood, MN, United States | 201-500 | Exact match | 124 contacts → |
“At Rice Lake Construction Group, we know water.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Environmental Quality Resources, LLCeqrllc.com HQ: Millersville, MD, United StatesReported employees: 201-500 | Millersville, MD, United States | 201-500 | Exact match | 109 contacts → |
“Our mission is to be the keystone species in the restoration of the Chesapeake Bay.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Land Waterland-water.co.ukHQ: Guildford, United KingdomReported employees: 201-500 | Guildford, United Kingdom | 201-500 | Exact match | 107 contacts → |
“Land + Water is more than just a dredging company.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hitachi Aqua-Tech Engineering Pte. LTDhitachi-aqt.com HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 89 contacts → |
“Incorporated in 1977 and based in Singapore, Hitachi Aqua-Tech has built a strong reputation as a specialist in water management solutions.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Dragonfly Pond Worksdragonflypondworks.com HQ: Raleigh-durham, FL, United StatesReported employees: 51-200 | Raleigh-durham, FL, United States | 51-200 | Exact match | 86 contacts → |
“Dragonfly Pond Works is an environmental service company specializing in lake, pond, and stormwater management and beautification.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | D&b Engineers And Architectsdb-eng.com HQ: Woodbury, NY, United StatesReported employees: 201-500 | Woodbury, NY, United States | 201-500 | Exact match | 85 contacts → |
“Founded in 1965, D&B Engineers and Architects (D&B) is committed to improving quality of life with innovative engineering solutions in sustainable, environmentally acceptable…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Rotária DO Brasilbrasil.rotaria.netHQ: Florianópolis, BrazilReported employees: 51-200 | Florianópolis, Brazil | 51-200 | Exact match | 80 contacts → |
“A Rotária do Brasil é uma empresa de Engenharia especializada em projetos, implantação e operação de sistemas de tratamento de efluentes/esgotos e água potável.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  S.T.A. Società Trattamento Acque SPAstacque.comHQ: Mantova, ItalyReported employees: 51-200 | Mantova, Italy | 51-200 | Exact match | 75 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Marshfield, WI, United StatesReported employees: 51-200 | Marshfield, WI, United States | 51-200 | Exact match | 74 contacts → |
“Staab Construction Corporation is one of the premier builders of municipal and industrial water and wastewater treatment systems in the Midwest.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Building Crafts, INCbuildingcrafts.com HQ: Wilder, KY, United StatesReported employees: 51-200 | Wilder, KY, United States | 51-200 | Exact match | 70 contacts → |
“Building Crafts, Inc.(BCI) specializes as a general contractor primarily in the Design and Installation of industrial and municipal water and wastewater treatment plants.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | TLC Diversified, INCtlcdiv.com HQ: Palmetto, FL, United StatesReported employees: 51-200 | Palmetto, FL, United States | 51-200 | Exact match | 68 contacts → |
“TLC Diversified is one of the leading privately held construction firms in the state of Florida specializing in water and wastewater infrastructure.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | The Probst Groupprobstgroup.com HQ: Hartland, WI, United StatesReported employees: 51-200 | Hartland, WI, United States | 51-200 | Exact match | 62 contacts → |
“The Probst Group, LLC (TPG) is an engineering firm specializing in industrial wastewater management.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 687 company matches
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Constructed wetland system contractors: dataset insights
October 10, 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
683 records in the displayed employee bands.
4 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 687 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: October 10, 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 ↗
Constructed wetland system contractors by location
5 lists · largest firstEvery Constructed wetland system contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Constructed wetland system contractors based in the United States193
- Constructed wetland system contractors based in India46
- Constructed wetland system contractors based in France39
- Constructed wetland system contractors based in the United Kingdom38
- Constructed wetland system contractors based in Italy28
Questions about this company list
What does Exact match mean for constructed wetland system contractors?
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 constructed wetland system contractors did RevenueBase find worldwide?
The saved snapshot records 687 matching company records, 11,335 tracked contacts and 4,399 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: October 10, 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 constructed wetland system contractors worldwide. Snapshot: October 10, 2026. https://revenuebase.ai/companies/browse/constructed-wetland-system-contractors.
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 constructed wetland system contractors worldwide
RevenueBase records 687 matching company records for constructed wetland system contractors worldwide, with 11,335 tracked contacts and 4,399 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: October 10, 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 constructed wetland system contractors 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 | Carollo Engineerscarollo.com HQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 1,811 contacts → |
“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ward And Burkewardandburke.com HQ: Kilcolgan, IrelandReported employees: 1,001-5,000 | Kilcolgan, Ireland | 1,001-5,000 | Exact match | 691 contacts → |
“Since its establishment, Ward & Burke has sought to develop and adopt the ideals and aspirations to civil engineering construction and currently delivers class leading, reliable…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Bellaire, TX, United StatesReported employees: 501-1,000 | Bellaire, TX, United States | 501-1,000 | Exact match | 678 contacts → |
“As the nation’s largest nature-based solutions company, RES (Resource Environmental Solutions) is restoring a resilient earth for a modern world, project by project.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Enviro Infra Engineers LTDeiel.in HQ: Delhi, IndiaReported employees: 501-1,000 | Delhi, India | 501-1,000 | Exact match | 328 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Brézillonbrezillon.fr HQ: Margny-lès-compiègne, FranceReported employees: 51-200 | Margny-lès-compiègne, France | 51-200 | Exact match | 294 contacts → |
“Entreprise spécialisée en génie environnemental, Brézillon agit depuis près de 30 ans pour préserver, restaurer et valoriser les terrains sur l’ensemble du territoire national.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Amenhydamenhyd.com HQ: Bab Ezzouar, AlgeriaReported employees: 1,001-5,000 | Bab Ezzouar, Algeria | 1,001-5,000 | Exact match | 278 contacts → |
“AMENHYD spa, a private company under Algerian law, has been a pioneer and leader in the fields of the environment for 25 years.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Cadagua, A Ferrovial Companycadagua.es HQ: Bilbao-bilbo, SpainReported employees: 51-200 | Bilbao-bilbo, Spain | 51-200 | Exact match | 185 contacts → |
“We specialize in the design, construction, and operation of water treatment facilities.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HNB Engineers Pvt. LTDhnbc.in HQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 183 contacts → |
“HNB ENGINEERS PVT.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Atlan Stormwateratlanstormwater.com HQ: Sydney Olympic Park, AustraliaReported employees: 201-500 | Sydney Olympic Park, Australia | 201-500 | Exact match | 168 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 · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sovereign Consulting INCsovcon.com HQ: Robbinsville, NJ, United StatesReported employees: 51-200 | Robbinsville, NJ, United States | 51-200 | Exact match | 152 contacts → |
“Founded in Sovereign is an environmental and water and wastewater construction firm with offices throughout the country.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Severn Trent Servicesstservices.co.uk HQ: Coventry, United KingdomReported employees: 1,001-5,000 | Coventry, United Kingdom | 1,001-5,000 | Exact match | 147 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Tomorrow Watertomorrowwater.com HQ: Anaheim, CA, United StatesReported employees: 51-200 | Anaheim, CA, United States | 51-200 | Exact match | 131 contacts → |
“Tomorrow Water is an innovative environmental solutions company specializing in both wastewater and organic waste treatment.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Filancfilanc.com HQ: Escondido, CA, United StatesReported employees: 201-500 | Escondido, CA, United States | 201-500 | Exact match | 127 contacts → |
“Headquartered in Escondido, California, Filanc is an award-winning, general engineering and design-build contractor that solely constructs, renovates, and expands water and…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rice Lake Construction Groupricelake.org HQ: Deerwood, MN, United StatesReported employees: 201-500 | Deerwood, MN, United States | 201-500 | Exact match | 124 contacts → |
“At Rice Lake Construction Group, we know water.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Environmental Quality Resources, LLCeqrllc.com HQ: Millersville, MD, United StatesReported employees: 201-500 | Millersville, MD, United States | 201-500 | Exact match | 109 contacts → |
“Our mission is to be the keystone species in the restoration of the Chesapeake Bay.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Land Waterland-water.co.uk HQ: Guildford, United KingdomReported employees: 201-500 | Guildford, United Kingdom | 201-500 | Exact match | 107 contacts → |
“Land + Water is more than just a dredging company.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hitachi Aqua-Tech Engineering Pte. LTDhitachi-aqt.com HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 89 contacts → |
“Incorporated in 1977 and based in Singapore, Hitachi Aqua-Tech has built a strong reputation as a specialist in water management solutions.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Dragonfly Pond Worksdragonflypondworks.com HQ: Raleigh-durham, FL, United StatesReported employees: 51-200 | Raleigh-durham, FL, United States | 51-200 | Exact match | 86 contacts → |
“Dragonfly Pond Works is an environmental service company specializing in lake, pond, and stormwater management and beautification.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | D&b Engineers And Architectsdb-eng.com HQ: Woodbury, NY, United StatesReported employees: 201-500 | Woodbury, NY, United States | 201-500 | Exact match | 85 contacts → |
“Founded in 1965, D&B Engineers and Architects (D&B) is committed to improving quality of life with innovative engineering solutions in sustainable, environmentally acceptable…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Rotária DO Brasilbrasil.rotaria.net HQ: Florianópolis, BrazilReported employees: 51-200 | Florianópolis, Brazil | 51-200 | Exact match | 80 contacts → |
“A Rotária do Brasil é uma empresa de Engenharia especializada em projetos, implantação e operação de sistemas de tratamento de efluentes/esgotos e água potável.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | S.T.A. Società Trattamento Acque SPAstacque.com HQ: Mantova, ItalyReported employees: 51-200 | Mantova, Italy | 51-200 | Exact match | 75 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Marshfield, WI, United StatesReported employees: 51-200 | Marshfield, WI, United States | 51-200 | Exact match | 74 contacts → |
“Staab Construction Corporation is one of the premier builders of municipal and industrial water and wastewater treatment systems in the Midwest.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Building Crafts, INCbuildingcrafts.com HQ: Wilder, KY, United StatesReported employees: 51-200 | Wilder, KY, United States | 51-200 | Exact match | 70 contacts → |
“Building Crafts, Inc.(BCI) specializes as a general contractor primarily in the Design and Installation of industrial and municipal water and wastewater treatment plants.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | TLC Diversified, INCtlcdiv.com HQ: Palmetto, FL, United StatesReported employees: 51-200 | Palmetto, FL, United States | 51-200 | Exact match | 68 contacts → |
“TLC Diversified is one of the leading privately held construction firms in the state of Florida specializing in water and wastewater infrastructure.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | The Probst Groupprobstgroup.com HQ: Hartland, WI, United StatesReported employees: 51-200 | Hartland, WI, United States | 51-200 | Exact match | 62 contacts → |
“The Probst Group, LLC (TPG) is an engineering firm specializing in industrial wastewater management.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 687 company matches
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Constructed wetland system contractors: dataset insights
October 10, 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
683 records in the displayed employee bands.
4 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 687 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: October 10, 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 ↗
Constructed wetland system contractors by location
5 lists · largest firstEvery Constructed wetland system contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Constructed wetland system contractors based in the United States193
- Constructed wetland system contractors based in India46
- Constructed wetland system contractors based in France39
- Constructed wetland system contractors based in the United Kingdom38
- Constructed wetland system contractors based in Italy28
Questions about this company list
What does Exact match mean for constructed wetland system contractors?
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 constructed wetland system contractors did RevenueBase find worldwide?
The saved snapshot records 687 matching company records, 11,335 tracked contacts and 4,399 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: October 10, 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 constructed wetland system contractors worldwide. Snapshot: October 10, 2026. https://revenuebase.ai/companies/browse/constructed-wetland-system-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗