Company lists · Data refreshed November 2026

Top 25 Drainage system installers worldwide

RevenueBase identified 662 company matches for drainage system installers worldwide as of November 2026 and tracks 4,344 professional contacts across them, including 1,518 with verified work emails. The United States is the largest market and Auckland the largest hub.

This list covers company matches for drainage system installers 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 drainage system installers 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
662Companies
4,344Contacts tracked
1,518Verified emails
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The 25 largest drainage system installers worldwide

Ranked by team size
Top 25 of 662 company matches for drainage system installers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchEdmonton, AB, CanadaHQ recorded Nov 6, 20261,001-5,000494 contacts →

Exact match

“Armtec has spent over 110 years supplying the most innovative drainage equipment, dynamically designed to support roadways, stormwater, rehabilitation, and erosion control.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLenting, GermanyHQ recorded Nov 6, 2026501-1,000251 contacts →

Exact match

“Draining water, treating wastewater and protecting against backwater: As drainage specialists, we protect people from the power of water and protect water from people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRastatt, GermanyHQ recorded Nov 6, 2026201-500151 contacts →

Exact match

“Drainage with HAURATON For almost 60 years we are internationally successful as a specialist in surface drainage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCarlisle, United KingdomHQ recorded Nov 6, 2026201-500139 contacts →

Exact match

“JDP is Britain’s leading merchant-manufacturer supplying the UK Civils and Drainage industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPlant City, FL, United StatesHQ recorded Nov 6, 2026201-50094 contacts →

Exact match

“CLEARING Clearing & Grubbing, Haul Off or Burn on Site Services Available EARTHWORK Dirt Excavation, Mass Grading, Hauling, and Dirt Moving Operations STORM DRAINAGE SYSTEM Pond…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchShefford, United KingdomHQ recorded Nov 6, 2026201-50090 contacts →

Exact match

“ACO is recognised as a global leader in the development and manufacture of high performance surface water management systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“Environmental Allies offers a variety of products, services, installation, and consulting to clients across the state of Texas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNewry Co.Down, United KingdomHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“McAllister provides a full range of corporate drainage services – from fast, efficient maintenance and rehabilitation work, to planning and installing state-of-the-art drainage…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSayers Common, United KingdomHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“DrainLine Ltd caters for all types of drainage works – from a blockage in a small diameter line to the rehabilitation of a main line sewers, both foul and storm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNetstal, SwitzerlandHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Unser Kerngeschäft ist die Linienentwässerung mit sämtlichen Systemkomponenten, die für nachhaltig funktionierende Entwässerungslösungen von Bedeutung sind.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMitcham, United KingdomHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“London and South East's premier Facilities Maintenance and Drainage providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchStockport, United KingdomHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“DASA is an industry leader, providing drainage and water leak detection services to residential and commercial customers and to the insurance industry, working with leading…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWinnipeg, CanadaHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Global Drain Technologies (GDT) is a leader in drain manufacturing and providing application-focused drainage solutions that work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchTroutman, NC, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“The company began with a single focus: provide products and services to solve North America's surface drainage problems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWarrington, United KingdomHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“We are your one-source supplier for site surveys, specification, design, groundworks, drainage, site supervision, health and safety compliance, and installation Trusted by…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSouth Nowra, AustraliaHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“Stormtech has been providing inspiring architectural drainage solutions to architects and designers for the last 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWirral, United KingdomHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“At NRC WWS, we are commercial drainage contractors that offer a range of solutions including planned maintenance and 24-hour contract cover.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMesa, AZ, United StatesHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“Founded in 2010 to address the critical need for expert stormwater drainage solutions, StormWater Pros has evolved from a local service provider into a premier regional leader in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWidnes, United KingdomHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Polycon is now recognised as one of the UK’s leading manufacturers, distributors, and suppliers of surface water drainage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHillington Industrial Estate, United KingdomHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“DAMM Environmental - The Leading Drainage & Environmental Company in Scotland At DAMM Environmental we are renowned for the high quality of our work in both the public and private…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRainham, United KingdomHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“Dave Murphy started Technical Drain Solutions Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBradford, United KingdomHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“Welcome to IRM Group, your trusted partner for all drainage solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBirmingham, United KingdomHQ recorded Nov 6, 2026201-50025 contacts →

Exact match

“UKDN Waterflow (LG) Ltd – Respond | Report | Repair As of November 2015 UKDN Waterflow (LG) Ltd was acquired by Lanes Group plc the Largest wholly owned UK Drainage solution…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDartford, United KingdomHQ recorded Nov 6, 202651-20024 contacts →

Exact match

“We are a multi award-winning drainage company, established in 2009, providing drainage, plumbing and groundwork services to both businesses and home customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchEast Lindsey, United KingdomHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“Since 2001, DMJ has specialised in all aspects of land drainage in both the agricultural and construction industries with extensive expertise in field drainage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 662 drainage system installers worldwide

See the full list, filter by size, metro and specialty, and access 1,518 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Drainage system installers worldwide at a glance

As of Nov 6, 2026
34.9%Verified-email coverage
6.6Average contacts per company
1-10Median size (employees)
1.1%Largest-city concentration · Auckland
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
361
11-50
212
51-200
54
201-500
12
501-1,000
5
1,001-5,000
1
10001+
1

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 drainage system installers are linked below.
What qualifies
Company records worldwide whose business descriptions match “drainage system installers” 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 1,518 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.

Drainage system installers by location

3 lists · largest first

Every Drainage system installers 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 “drainage system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many drainage system installers are there worldwide?

RevenueBase identified 662 company matches for drainage system installers 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?

Armtec tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most drainage system installers?

The United States leads with 236 companies, followed by the United Kingdom (158) and Canada (40). Every drainage system installers list by country and city is linked on this page.

Which city has the most drainage system installers?

Auckland leads with 7 company records, followed by Dallas (5) and London (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 1,518 professional contacts with verified work emails tracked across these 662 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.

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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.