Company lists · Data refreshed September 2026

Top 25 Tunnel waterproofing contractors based in Australia

RevenueBase identified 80 company matches for tunnel waterproofing contractors associated with Australia as of September 2026 and tracks 617 professional contacts across them, including 96 with verified work emails. Sydney is the largest hub.

This list covers company matches for tunnel waterproofing contractors associated with Australia, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
80Companies
617Contacts tracked
96Verified emails
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The 25 largest tunnel waterproofing contractors based in Australia

Ranked by team size
Top 25 of 80 company matches for tunnel waterproofing contractors based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchLane Cove West, AustraliaHQ recorded Sep 29, 2026201-500100 contacts →

Exact match

“Delivering Solutions with Integrity, Reliability and Excellence.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchSt Peters, AustraliaHQ recorded Sep 29, 2026201-50051 contacts →

Exact match

“Since its inception in 1989, Polyseal has remained a prominent contractor in the Australia waterproofing and remedial markets.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchCheltenham, AustraliaHQ recorded Sep 29, 202651-20018 contacts →

Exact match

“CPR Services offers concrete protection, repair and strengthening services everywhere concrete is found.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchEmu Plains, AustraliaHQ recorded Sep 29, 202651-20015 contacts →

Exact match

“Born out of the Water Industry and the installation of new Sewer and Stormwater lines, Pezzimenti Tunnelbore works in all infrastructure construction sectors in NSW, ACT…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchTaren Point, AustraliaHQ recorded Sep 29, 202611-5013 contacts →

Exact match

“KRYFIX is an industry leading concrete waterproofing specialist company based in Sydney.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchBrisbane, AustraliaHQ recorded Sep 29, 2026501-1,00013 contacts →

Exact match

“Bothar Group of Companies (‘Group’) is an international engineering solutions provider with over 30 years of cutting-edge experience in the tunnelling contracting industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchNoble Park North, AustraliaHQ recorded Sep 29, 202651-20013 contacts →

Exact match

“Visit:@baseindustriesau”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact match178 Siganto Drive Helensvale, AustraliaHQ recorded Sep 29, 202651-20010 contacts →

Exact match

“At Stop & Seal, we specialise in tailored waterproofing solutions for commercial and remedial works across Australia and worldwide.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchOakleigh South, AustraliaHQ recorded Sep 29, 202611-5010 contacts →

Exact match

“Aldig specialise in design and construction of waterproof basements in Melbourne so you can build on time and on budget.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Sep 29, 20261-107 contacts →

Exact match

“Corrosion Protection, Concrete Rehabilitation, Waterproofing & Linings”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Sep 29, 20261-105 contacts →

Exact match

“Remedial Building & Waterproofing Experts”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Sep 29, 202611-505 contacts →

Exact match

“Concrete Waterproofing Systems (CWS) is a concrete waterproofing supplier, with presence in Australia, the United States, South America and Europe, as well as distributors in a…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchBurleigh Heads, AustraliaHQ recorded Sep 29, 202611-505 contacts →

Exact match

“Complete Injection & Waterproofing provides professional and experienced waterproofing services to the Australian construction industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchPort Melbourne, AustraliaHQ recorded Sep 29, 202611-504 contacts →

Exact match

“Commercial and industrial Waterproofing experts.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchCanning Vale, AustraliaHQ recorded Sep 29, 20261-104 contacts →

Exact match

“Allduro are Perth's largest independent waterproofing supply company with both local and global trading partners resulting in one of Western Australia's most comprehensive range…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchBelmore, AustraliaHQ recorded Sep 29, 20261-103 contacts →

Exact match

“At Watertight Right we have the highest quality workmanship in the waterproofing industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchOrmeau, AustraliaHQ recorded Sep 29, 202611-503 contacts →

Exact match

“Proven Waterproofing Solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchSydney, AustraliaHQ recorded Sep 29, 20261-103 contacts →

Exact match

“We are leaders in waterproofing compliance.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchMelbourne, AustraliaHQ recorded Sep 29, 202611-502 contacts →

Exact match

“Waterproofing company, specialising in all aspects of internal and external waterproofing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchAustraliaHQ recorded Sep 29, 20261-102 contacts →

Exact match

“NK West, based in Perth WA, specialise in all aspects of remedial waterproofing, concrete and crack repair.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchGold Coast, AustraliaHQ recorded Sep 29, 20261-102 contacts →

Exact match

“Dryspace Solutions are Australia's leading experts in the protection and rectification of below ground spaces against groundwater penetration, using internally applied…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchPadstow, AustraliaHQ recorded Sep 29, 20261-102 contacts →

Exact match

“Scientific Waterproofing Products (SWP) supplies the largest range of DRIZORO cement-based waterproofing coatings, restoration & maintenance products in Australia.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchNorthgate, AustraliaHQ recorded Sep 29, 20261-102 contacts →

Exact match

“Over the years, our team has delivered a variety of projects; from residential bathroom renovations to large $1.5 billion government infrastructure projects.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchMelbourne, AustraliaHQ recorded Sep 29, 20261-102 contacts →

Exact match

“Established in 1996, Megasealed Australia™ is the pioneer in providing a unique guaranteed solution to stop leaking showers and balconies without the unnecessary cost, time loss…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchClyde, AustraliaHQ recorded Sep 29, 20261-102 contacts →

Exact match

“ASW services include the following: • Waterproofing • Waterproofing All internal Wet Areas • Waterproofing Balcony Decks • Waterproofing Planter Boxes Waterproofing Flat Roof…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 80 tunnel waterproofing contractors based in Australia

See the full list, filter by size, metro and specialty, and access 96 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tunnel waterproofing contractors based in Australia at a glance

As of Sep 29, 2026
15.6%Verified-email coverage
7.7Average contacts per company
1-10Median size (employees)
18.8%Largest-city concentration · Sydney
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
50
11-50
21
51-200
5
201-500
2
501-1,000
2

Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 80 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Australia whose business descriptions match “tunnel waterproofing contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 96 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tunnel waterproofing contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tunnel waterproofing contractors are there based in Australia?

RevenueBase identified 80 company matches for tunnel waterproofing contractors associated with Australia as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which city has the most tunnel waterproofing contractors?

Sydney leads with 15 company records, followed by Melbourne (5) and Brisbane (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 96 professional contacts with verified work emails tracked across these 80 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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.