Company lists · Data refreshed November 2026
Top 23 Critical infrastructure contractors based in Australia
RevenueBase identified 1,515 company matches for critical infrastructure contractors associated with Australia as of November 2026 and tracks 84,900 professional contacts across them, including 27,783 with verified work emails. Sydney is the largest hub.
This list covers company matches for critical 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.
The 23 largest critical infrastructure contractors based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 11,691 contacts → | ||||
Exact match “Enabling communities to thrive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 6,407 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 | |||||
| 3 | 5,553 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 | |||||
| 4 | 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 | |||||
| 5 | 2,691 contacts → | ||||
Exact match “We are Creative Construction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 2,431 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 | |||||
| 7 | 2,419 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 | |||||
| 8 | 900 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 | |||||
| 9 | 807 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 | |||||
| 10 | 783 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 | |||||
| 11 | 649 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 | |||||
| 12 | 646 contacts → | ||||
Exact match “Goodline is an Australian owned and based company established in by John and Catherine Kennedy for the provision of engineering, construction and maintenance services nationwide…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 603 contacts → | ||||
Exact match “We’ve always been a construction company that believes in driving positive change – for clients, the communities we work in, and of course, our people – wherever they are in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 589 contacts → | ||||
Exact match “Abergeldie is a locally owned contractor with 30 years industry experience in Australia and New Zealand.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 573 contacts → | ||||
Exact match “For more than 125 years, Aveng has evolved in character, capacity and reach and continues to make its mark across the globe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 570 contacts → | ||||
Exact match “RSGx is a trusted partner, providing innovative mechanical and electrical construction and engineering solutions with a focus on powering energy transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 514 contacts → | ||||
Exact match “Established in 1976 and listed on the Kuala Lumpur Stock Exchange (KLSE) in 1992, Gamuda delivers innovative world-class infrastructure, concessions and communities development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 493 contacts → | ||||
Exact match “SCEE Electrical is a leading and trusted national provider of specialised electrical, instrumentation, maintenance and communication services to the resources and infrastructure…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 480 contacts → | ||||
Exact match “Nacap is a leading energy infrastructure contractor with four decades of global experience in delivering large-scale and complex energy infrastructure projects to power…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 405 contacts → | ||||
Exact match “Shadforth continues to grow based on our reputation of “delivering quality infrastructure sooner”.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 389 contacts → | ||||
Exact match “At a Glance Our principal activities include manufacturing, construction, electrical and maintenance work on both fixed plant and mobile equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 379 contacts → | ||||
Exact match “CV is a multi-disciplinary services provider delivering integrated solutions across infrastructure, construction, asset maintenance, power and signage.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 312 contacts → | ||||
Exact match “ADG, proudly part of AtkinsRéalis since December 2025, combines decades of multi-sector experience with a diverse range of established and emerging engineering disciplines…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “critical infrastructure 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 23 of 1,515 critical infrastructure contractors based in Australia
See the full list, filter by size, metro and specialty, and access 27,783 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure contractors based in Australia at a glance
As of Nov 6, 2026Companies by employee count
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 1,515 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 “critical 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 27,783 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.
Critical infrastructure contractors by metro
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 “critical infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure contractors are there based in Australia?
RevenueBase identified 1,515 company matches for critical 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 critical infrastructure contractors?
Sydney leads with 102 company records, followed by Melbourne (85) and Brisbane (62).
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 27,783 professional contacts with verified work emails tracked across these 1,515 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,515 critical infrastructure contractors based in Australia. Start with a free account, no credit card.
Download this list →Related lists
Critical infrastructure contractors by geography
- Critical infrastructure contractors based in Buenos Aires, Argentina
- Critical infrastructure contractors based in Cordoba, Argentina
- Critical infrastructure contractors based in Brisbane, Australia
- Critical infrastructure contractors based in Melbourne, Australia
- Critical infrastructure contractors based in Perth, Australia
- Critical infrastructure contractors based in Sydney, Australia
- Critical infrastructure contractors based in Baku, Azerbaijan
- Critical infrastructure contractors based in Barueri, Brazil
- Critical infrastructure contractors based in Belo Horizonte, Brazil
- Critical infrastructure contractors based in Brasilia, Brazil
- Critical infrastructure contractors based in Campinas, Brazil
- Critical infrastructure contractors based in Curitiba, Brazil
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Critical infrastructure contractors based in Buenos Aires, Argentina
- Critical infrastructure contractors based in Cordoba, Argentina
- Critical infrastructure contractors based in Brisbane, Australia
- Critical infrastructure contractors based in Melbourne, Australia
- Critical infrastructure contractors based in Perth, Australia
- Critical infrastructure contractors based in Sydney, Australia
Company intelligence · public preview
Top 23 critical infrastructure contractors based in Australia
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,515 matching company records for critical infrastructure contractors based in Australia, with 84,900 tracked contacts and 27,783 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 23 critical infrastructure contractors based in Australia
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 |  Downerdownergroup.comHQ: North Ryde, AustraliaReported employees: 10001+ | North Ryde, Australia | 10001+ | Exact match | 11,691 contacts → |
“Enabling communities to thrive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  John Hollandjohnholland.com.auHQ: Melbourne Cbd, AustraliaReported employees: 5,001-10,000 | Melbourne Cbd, Australia | 5,001-10,000 | Exact match | 6,407 contacts → |
“At John Holland, our purpose is simple: we transform lives.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Monadelphousmonadelphous.com.auHQ: Perth, AustraliaReported employees: 5,001-10,000 | Perth, Australia | 5,001-10,000 | Exact match | 5,553 contacts → |
“Monadelphous is a leading Australian ASX-200 engineering group providing construction, maintenance and industrial services to the resources, energy and infrastructure sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  CPB Contractorscpbcon.com.auHQ: North Sydney, AustraliaReported employees: 10001+ | North Sydney, Australia | 10001+ | Exact match | 5,392 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Mcconnell Dowellmcconnelldowell.comHQ: Richmond, AustraliaReported employees: 1,001-5,000 | Richmond, Australia | 1,001-5,000 | Exact match | 2,691 contacts → |
“We are Creative Construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  SRG Globalsrgglobal.com.auHQ: Perth, AustraliaReported employees: 1,001-5,000 | Perth, Australia | 1,001-5,000 | Exact match | 2,431 contacts → |
“SRG Global is a diversified infrastructure services company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Service Streamservicestream.com.auHQ: Docklands, AustraliaReported employees: 1,001-5,000 | Docklands, Australia | 1,001-5,000 | Exact match | 2,419 contacts → |
“Service Stream plays a vital role, working with our clients in keeping communities connected to essential network services across Australia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Seymour Whyteseymourwhyte.com.auHQ: AustraliaReported employees: 501-1,000 | Australia | 501-1,000 | Exact match | 900 contacts → |
“Seymour Whyte is a multi award-winning civil contractor that delivers major essential infrastructure across Australia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  DT Infrastructuredtinfrastructure.com.auHQ: Brisbane City, AustraliaReported employees: 1,001-5,000 | Brisbane City, Australia | 1,001-5,000 | Exact match | 807 contacts → |
“DT Infrastructure is a fresh name in Australia’s construction industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  ICONicon.coHQ: Richmond, AustraliaReported employees: 501-1,000 | Richmond, Australia | 501-1,000 | Exact match | 783 contacts → |
“Icon is a globally connected, integrated construction group trusted to build what matters most.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Winslowwinslow.com.auHQ: Essendon Fields, AustraliaReported employees: 1,001-5,000 | Essendon Fields, Australia | 1,001-5,000 | Exact match | 649 contacts → |
“Winslow is one of Australia’s leading civil construction contractors with offices in Victoria, Queensland, Northern NSW and South Australia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Goodlinegoodline.com.auHQ: Kawana Waters, AustraliaReported employees: 501-1,000 | Kawana Waters, Australia | 501-1,000 | Exact match | 646 contacts → |
“Goodline is an Australian owned and based company established in by John and Catherine Kennedy for the provision of engineering, construction and maintenance services nationwide…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Symal Groupsymal.com.auHQ: South Melbourne, AustraliaReported employees: 1,001-5,000 | South Melbourne, Australia | 1,001-5,000 | Exact match | 603 contacts → |
“We’ve always been a construction company that believes in driving positive change – for clients, the communities we work in, and of course, our people – wherever they are in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Abergeldie Complex Infrastructureabergeldie.comHQ: Regents Park, AustraliaReported employees: 501-1,000 | Regents Park, Australia | 501-1,000 | Exact match | 589 contacts → |
“Abergeldie is a locally owned contractor with 30 years industry experience in Australia and New Zealand.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  AVENGaveng.co.zaHQ: Richmond, AustraliaReported employees: 5,001-10,000 | Richmond, Australia | 5,001-10,000 | Exact match | 573 contacts → |
“For more than 125 years, Aveng has evolved in character, capacity and reach and continues to make its mark across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  RSGXrsgx.comHQ: Rydalmere, AustraliaReported employees: 1,001-5,000 | Rydalmere, Australia | 1,001-5,000 | Exact match | 570 contacts → |
“RSGx is a trusted partner, providing innovative mechanical and electrical construction and engineering solutions with a focus on powering energy transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Gamuda Australiagamuda.com.auHQ: North Sydney, AustraliaReported employees: 201-500 | North Sydney, Australia | 201-500 | Exact match | 514 contacts → |
“Established in 1976 and listed on the Kuala Lumpur Stock Exchange (KLSE) in 1992, Gamuda delivers innovative world-class infrastructure, concessions and communities development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Scee Electricalsceeelectrical.com.auHQ: Perth, AustraliaReported employees: 1,001-5,000 | Perth, Australia | 1,001-5,000 | Exact match | 493 contacts → |
“SCEE Electrical is a leading and trusted national provider of specialised electrical, instrumentation, maintenance and communication services to the resources and infrastructure…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Nacap PTY LTDnacap.com.auHQ: Doncaster, AustraliaReported employees: 201-500 | Doncaster, Australia | 201-500 | Exact match | 480 contacts → |
“Nacap is a leading energy infrastructure contractor with four decades of global experience in delivering large-scale and complex energy infrastructure projects to power…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Shadforthshadcivil.com.auHQ: Forest Glen, AustraliaReported employees: 501-1,000 | Forest Glen, Australia | 501-1,000 | Exact match | 405 contacts → |
“Shadforth continues to grow based on our reputation of “delivering quality infrastructure sooner”.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  G&s Engineering Servicesg-s.com.auHQ: Mackay, AustraliaReported employees: 501-1,000 | Mackay, Australia | 501-1,000 | Exact match | 389 contacts → |
“At a Glance Our principal activities include manufacturing, construction, electrical and maintenance work on both fixed plant and mobile equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  CV Services Groupcvsg.com.auHQ: Hendra, AustraliaReported employees: 501-1,000 | Hendra, Australia | 501-1,000 | Exact match | 379 contacts → |
“CV is a multi-disciplinary services provider delivering integrated solutions across infrastructure, construction, asset maintenance, power and signage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  ADG Engineersadgce.comHQ: Toowong, AustraliaReported employees: 201-500 | Toowong, Australia | 201-500 | Exact match | 312 contacts → |
“ADG, proudly part of AtkinsRéalis since December 2025, combines decades of multi-sector experience with a diverse range of established and emerging engineering disciplines…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 1,515 company matches
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Critical infrastructure contractors: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,501 records in the displayed employee bands.
14 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 worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 1,515 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Critical infrastructure contractors by metro
Questions about this company list
What does Exact match mean for critical infrastructure 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 critical infrastructure contractors did RevenueBase find based in Australia?
The saved snapshot records 1,515 matching company records, 84,900 tracked contacts and 27,783 verified emails. The public preview displays 23 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Critical infrastructure contractors by geography
- Critical infrastructure contractors based in Buenos Aires, Argentina
- Critical infrastructure contractors based in Cordoba, Argentina
- Critical infrastructure contractors based in Brisbane, Australia
- Critical infrastructure contractors based in Melbourne, Australia
- Critical infrastructure contractors based in Perth, Australia
- Critical infrastructure contractors based in Sydney, Australia
- Critical infrastructure contractors based in Baku, Azerbaijan
- Critical infrastructure contractors based in Barueri, Brazil
- Critical infrastructure contractors based in Belo Horizonte, Brazil
- Critical infrastructure contractors based in Brasilia, Brazil
- Critical infrastructure contractors based in Campinas, Brazil
- Critical infrastructure contractors based in Curitiba, Brazil
Cite this list
RevenueBase Data Team. Top 23 critical infrastructure contractors based in Australia. Snapshot: November 6, 2026. https://revenuebase.ai/companies/critical-infrastructure-contractors/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Critical infrastructure contractors based in Buenos Aires, Argentina
- Critical infrastructure contractors based in Cordoba, Argentina
- Critical infrastructure contractors based in Brisbane, Australia
- Critical infrastructure contractors based in Melbourne, Australia
- Critical infrastructure contractors based in Perth, Australia
- Critical infrastructure contractors based in Sydney, Australia
Company intelligence · public preview
Top 23 critical infrastructure contractors based in Australia
RevenueBase records 1,515 matching company records for critical infrastructure contractors based in Australia, with 84,900 tracked contacts and 27,783 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 23 critical infrastructure contractors based in Australia
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 | Downerdownergroup.com HQ: North Ryde, AustraliaReported employees: 10001+ | North Ryde, Australia | 10001+ | Exact match | 11,691 contacts → |
“Enabling communities to thrive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | John Hollandjohnholland.com.au HQ: Melbourne Cbd, AustraliaReported employees: 5,001-10,000 | Melbourne Cbd, Australia | 5,001-10,000 | Exact match | 6,407 contacts → |
“At John Holland, our purpose is simple: we transform lives.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Monadelphousmonadelphous.com.au HQ: Perth, AustraliaReported employees: 5,001-10,000 | Perth, Australia | 5,001-10,000 | Exact match | 5,553 contacts → |
“Monadelphous is a leading Australian ASX-200 engineering group providing construction, maintenance and industrial services to the resources, energy and infrastructure sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | CPB Contractorscpbcon.com.au HQ: North Sydney, AustraliaReported employees: 10001+ | North Sydney, Australia | 10001+ | Exact match | 5,392 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Mcconnell Dowellmcconnelldowell.com HQ: Richmond, AustraliaReported employees: 1,001-5,000 | Richmond, Australia | 1,001-5,000 | Exact match | 2,691 contacts → |
“We are Creative Construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | SRG Globalsrgglobal.com.au HQ: Perth, AustraliaReported employees: 1,001-5,000 | Perth, Australia | 1,001-5,000 | Exact match | 2,431 contacts → |
“SRG Global is a diversified infrastructure services company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Service Streamservicestream.com.au HQ: Docklands, AustraliaReported employees: 1,001-5,000 | Docklands, Australia | 1,001-5,000 | Exact match | 2,419 contacts → |
“Service Stream plays a vital role, working with our clients in keeping communities connected to essential network services across Australia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Seymour Whyteseymourwhyte.com.au HQ: AustraliaReported employees: 501-1,000 | Australia | 501-1,000 | Exact match | 900 contacts → |
“Seymour Whyte is a multi award-winning civil contractor that delivers major essential infrastructure across Australia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | DT Infrastructuredtinfrastructure.com.au HQ: Brisbane City, AustraliaReported employees: 1,001-5,000 | Brisbane City, Australia | 1,001-5,000 | Exact match | 807 contacts → |
“DT Infrastructure is a fresh name in Australia’s construction industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | ICONicon.co HQ: Richmond, AustraliaReported employees: 501-1,000 | Richmond, Australia | 501-1,000 | Exact match | 783 contacts → |
“Icon is a globally connected, integrated construction group trusted to build what matters most.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Winslowwinslow.com.au HQ: Essendon Fields, AustraliaReported employees: 1,001-5,000 | Essendon Fields, Australia | 1,001-5,000 | Exact match | 649 contacts → |
“Winslow is one of Australia’s leading civil construction contractors with offices in Victoria, Queensland, Northern NSW and South Australia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Goodlinegoodline.com.au HQ: Kawana Waters, AustraliaReported employees: 501-1,000 | Kawana Waters, Australia | 501-1,000 | Exact match | 646 contacts → |
“Goodline is an Australian owned and based company established in by John and Catherine Kennedy for the provision of engineering, construction and maintenance services nationwide…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Symal Groupsymal.com.au HQ: South Melbourne, AustraliaReported employees: 1,001-5,000 | South Melbourne, Australia | 1,001-5,000 | Exact match | 603 contacts → |
“We’ve always been a construction company that believes in driving positive change – for clients, the communities we work in, and of course, our people – wherever they are in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Abergeldie Complex Infrastructureabergeldie.com HQ: Regents Park, AustraliaReported employees: 501-1,000 | Regents Park, Australia | 501-1,000 | Exact match | 589 contacts → |
“Abergeldie is a locally owned contractor with 30 years industry experience in Australia and New Zealand.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | AVENGaveng.co.za HQ: Richmond, AustraliaReported employees: 5,001-10,000 | Richmond, Australia | 5,001-10,000 | Exact match | 573 contacts → |
“For more than 125 years, Aveng has evolved in character, capacity and reach and continues to make its mark across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | RSGXrsgx.com HQ: Rydalmere, AustraliaReported employees: 1,001-5,000 | Rydalmere, Australia | 1,001-5,000 | Exact match | 570 contacts → |
“RSGx is a trusted partner, providing innovative mechanical and electrical construction and engineering solutions with a focus on powering energy transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Gamuda Australiagamuda.com.au HQ: North Sydney, AustraliaReported employees: 201-500 | North Sydney, Australia | 201-500 | Exact match | 514 contacts → |
“Established in 1976 and listed on the Kuala Lumpur Stock Exchange (KLSE) in 1992, Gamuda delivers innovative world-class infrastructure, concessions and communities development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Scee Electricalsceeelectrical.com.au HQ: Perth, AustraliaReported employees: 1,001-5,000 | Perth, Australia | 1,001-5,000 | Exact match | 493 contacts → |
“SCEE Electrical is a leading and trusted national provider of specialised electrical, instrumentation, maintenance and communication services to the resources and infrastructure…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Nacap PTY LTDnacap.com.au HQ: Doncaster, AustraliaReported employees: 201-500 | Doncaster, Australia | 201-500 | Exact match | 480 contacts → |
“Nacap is a leading energy infrastructure contractor with four decades of global experience in delivering large-scale and complex energy infrastructure projects to power…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Shadforthshadcivil.com.au HQ: Forest Glen, AustraliaReported employees: 501-1,000 | Forest Glen, Australia | 501-1,000 | Exact match | 405 contacts → |
“Shadforth continues to grow based on our reputation of “delivering quality infrastructure sooner”.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | G&s Engineering Servicesg-s.com.au HQ: Mackay, AustraliaReported employees: 501-1,000 | Mackay, Australia | 501-1,000 | Exact match | 389 contacts → |
“At a Glance Our principal activities include manufacturing, construction, electrical and maintenance work on both fixed plant and mobile equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | CV Services Groupcvsg.com.au HQ: Hendra, AustraliaReported employees: 501-1,000 | Hendra, Australia | 501-1,000 | Exact match | 379 contacts → |
“CV is a multi-disciplinary services provider delivering integrated solutions across infrastructure, construction, asset maintenance, power and signage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ADG Engineersadgce.com HQ: Toowong, AustraliaReported employees: 201-500 | Toowong, Australia | 201-500 | Exact match | 312 contacts → |
“ADG, proudly part of AtkinsRéalis since December 2025, combines decades of multi-sector experience with a diverse range of established and emerging engineering disciplines…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Critical infrastructure contractors: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,501 records in the displayed employee bands.
14 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 worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 1,515 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Critical infrastructure contractors by metro
Questions about this company list
What does Exact match mean for critical infrastructure 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 critical infrastructure contractors did RevenueBase find based in Australia?
The saved snapshot records 1,515 matching company records, 84,900 tracked contacts and 27,783 verified emails. The public preview displays 23 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Critical infrastructure contractors by geography
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Cite this list
RevenueBase Data Team. Top 23 critical infrastructure contractors based in Australia. Snapshot: November 6, 2026. https://revenuebase.ai/companies/critical-infrastructure-contractors/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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