Company lists · Data refreshed November 2026

Top 22 Infrastructure contractors based in Australia

RevenueBase identified 4,184 company matches for infrastructure contractors associated with Australia as of November 2026 and tracks 148,206 professional contacts across them, including 48,527 with verified work emails. Sydney is the largest hub.

This list covers company matches for infrastructure 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 November 6, 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 Nov 6, 2026 How this list was built
4,184Companies
148,206Contacts tracked
48,527Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 22 largest infrastructure contractors based in Australia

Ranked by team size
Top 22 of 4,184 company matches for infrastructure contractors based in Australia, 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 matchNorth Ryde, AustraliaHQ recorded Nov 6, 202610001+11,691 contacts →

Exact match

“Enabling communities to thrive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMelbourne Cbd, AustraliaHQ recorded Nov 6, 20265,001-10,0006,407 contacts →

Exact match

“At John Holland, our purpose is simple: we transform lives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPerth, AustraliaHQ recorded Nov 6, 20265,001-10,0005,553 contacts →

Exact match

“Monadelphous is a leading Australian ASX-200 engineering group providing construction, maintenance and industrial services to the resources, energy and infrastructure sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 202610001+5,392 contacts →

Exact match

“CPB Contractors is a leading major contractor, trusted to build critical and complex infrastructure across Australia and New Zealand for a more connected, sustainable future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNorth Ryde, AustraliaHQ recorded Nov 6, 20265,001-10,0003,473 contacts →

Exact match

“Boral is the largest vertically-integrated construction materials company in Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPerth Airport, AustraliaHQ recorded Nov 6, 202610001+2,854 contacts →

Exact match

“Macmahon is a diversified contractor with leading capabilities in surface and underground mining, civil construction and resources engineering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRichmond, AustraliaHQ recorded Nov 6, 20261,001-5,0002,691 contacts →

Exact match

“We are Creative Construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPerth, AustraliaHQ recorded Nov 6, 20261,001-5,0002,431 contacts →

Exact match

“SRG Global is a diversified infrastructure services company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDocklands, AustraliaHQ recorded Nov 6, 20261,001-5,0002,419 contacts →

Exact match

“Service Stream plays a vital role, working with our clients in keeping communities connected to essential network services across Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMascot, AustraliaHQ recorded Nov 6, 20261,001-5,0001,577 contacts →

Exact match

“Since 1885, Coates has been supplying high-quality equipment to a range of industries, including construction, engineering, infrastructure, mining and resources, utilities and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Nov 6, 20261,001-5,0001,481 contacts →

Exact match

“We are a digital-first contractor and property developer partnering with government and the private sector to unlock opportunities and accelerate outcomes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPerth, AustraliaHQ recorded Nov 6, 2026201-5001,097 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPerth, AustraliaHQ recorded Nov 6, 20261,001-5,0001,018 contacts →

Exact match

“KAEFER has an es­tab­lished and wide­spread pres­ence across Aus­tralia, operating in the coun­try for nearly 40 years and globally for over 100.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAustraliaHQ recorded Nov 6, 2026501-1,000900 contacts →

Exact match

“Seymour Whyte is a multi award-winning civil contractor that delivers major essential infrastructure across Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRydalmere, AustraliaHQ recorded Nov 6, 20261,001-5,000894 contacts →

Exact match

“Powering Australia since 1910, Stowe is Australia’s leading privately owned electrical and communications contracting organisation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 2026501-1,000869 contacts →

Exact match

“At ADCO, we’ve been ‘people who build’ since our very first project back in 1972.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWa | Qld | Nsw | Nt, AustraliaHQ recorded Nov 6, 2026501-1,000865 contacts →

Exact match

“Georgiou is a proudly Australian founded civil and building construction company with a reputation for excellence in delivering complex, multi-disciplined projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBrisbane City, AustraliaHQ recorded Nov 6, 20261,001-5,000807 contacts →

Exact match

“DT Infrastructure is a fresh name in Australia’s construction industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMilton, AustraliaHQ recorded Nov 6, 20261,001-5,000805 contacts →

Exact match

“Golding delivers safe, flexible and cost-effective project solutions in urban, regional and remote locations for the resources, utilities, property and transport sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchRichmond, AustraliaHQ recorded Nov 6, 2026501-1,000783 contacts →

Exact match

“Icon is a globally connected, integrated construction group trusted to build what matters most.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCooma, AustraliaHQ recorded Nov 6, 20261,001-5,000772 contacts →

Exact match

“Future Generation Joint Venture (FGJV) is the principal contractor for Snowy Hydro’s Snowy 2.0, Australia’s largest committed renewable energy project.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchEssendon Fields, AustraliaHQ recorded Nov 6, 20261,001-5,000649 contacts →

Exact match

“Winslow is one of Australia’s leading civil construction contractors with offices in Victoria, Queensland, Northern NSW and South Australia.”

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

Showing 22 of 4,184 infrastructure contractors based in Australia

See the full list, filter by size, metro and specialty, and access 48,527 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure contractors based in Australia at a glance

As of Nov 6, 2026
32.7%Verified-email coverage
35.4Average contacts per company
11-50Median size (employees)
6.9%Largest-city concentration · Sydney
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,287
11-50
1,707
51-200
824
201-500
176
501-1,000
53
1,001-5,000
45
5,001-10,000
9
10001+
12

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 4,184 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 “infrastructure 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 48,527 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.

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 “infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure contractors are there based in Australia?

RevenueBase identified 4,184 company matches for infrastructure contractors associated with Australia 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?

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

Which city has the most infrastructure contractors?

Sydney leads with 289 company records, followed by Perth (210) and Melbourne (203).

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 48,527 professional contacts with verified work emails tracked across these 4,184 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.