Company lists · Data refreshed November 2026

Top 20 Oil and gas engineering companies based in Australia

RevenueBase identified 796 company matches for oil and gas engineering companies associated with Australia as of November 2026 and tracks 18,799 professional contacts across them, including 6,683 with verified work emails. Perth is the largest hub.

This list covers company matches for oil and gas engineering companies 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 4, 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 4, 2026 How this list was built
796Companies
18,799Contacts tracked
6,683Verified emails
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The 20 largest oil and gas engineering companies based in Australia

Ranked by team size
Top 20 of 796 company matches for oil and gas engineering companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 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 matchPerth, AustraliaHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
2Exact matchRydalmere, AustraliaHQ recorded Nov 4, 20261,001-5,000570 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 4, 2026 · View company records in RevenueBase
3Exact matchSydney, AustraliaHQ recorded Nov 4, 2026501-1,000446 contacts →

Exact match

“Founded in 1997, ACOR Consultants began as a group of engineers with a unique set of personal and professional values providing specialist consulting services.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchBrisbane, AustraliaHQ recorded Nov 4, 2026201-500364 contacts →

Exact match

“Welcome to Lucas!”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5Exact matchUnley, AustraliaHQ recorded Nov 4, 2026201-500343 contacts →

Exact match

“A highly experienced, multidisciplinary engineering and management firm, GPA has consulted and provided engineering, procurement and construction management (EPCM) services, since…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchBrisbane, AustraliaHQ recorded Nov 4, 2026201-500259 contacts →

Exact match

“Verbrec is an ASX-listed (ASX: VBC) Australian engineering services company delivering integrated solutions across the full asset lifecycle.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchPerth, AustraliaHQ recorded Nov 4, 2026201-500191 contacts →

Exact match

“We are passionate about engineering the future by solving the world's natural resource challenges.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchBibra Lake, AustraliaHQ recorded Nov 4, 2026201-500170 contacts →

Exact match

“An Agile EPC, Field Services and Solutions Provider to the Energy & Resources Industries.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchPerth, AustraliaHQ recorded Nov 4, 202651-200164 contacts →

Exact match

“Legeneering Australia is a dynamic Engineering Company specializing in repair of oil & gas facilities.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10Exact matchBurswood, AustraliaHQ recorded Nov 4, 2026201-500159 contacts →

Exact match

“Partum is an Australian based company providing engineering design and project consulting advice.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11Exact matchLane Cove West, AustraliaHQ recorded Nov 4, 202651-200143 contacts →

Exact match

“Founded by the late Peter Ward in 1973, WARD is a multi-disciplined and full-service civil and environmental engineering contractor.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchNorwest, AustraliaHQ recorded Nov 4, 202651-200133 contacts →

Exact match

“Orion Group is a professional services consultancy with the philosophy that project success comes from having motivated people working hard on stimulating projects, for great…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchBibra Lake, AustraliaHQ recorded Nov 4, 202651-200119 contacts →

Exact match

“We are a specialist engineering company delivering hydraulic and electro-mechanical solutions to our customers in the Oil & Gas, Mining, Infrastructure, Defence, Marine, and Power…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchBrisbane, AustraliaHQ recorded Nov 4, 202651-20099 contacts →

Exact match

“As a leading provider of construction and maintenance services within the oil, gas and energy sectors, GEC provides its clients with a multi-disciplinary high quality operation…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchMulgrave, AustraliaHQ recorded Nov 4, 202651-20098 contacts →

Exact match

“CMP Consulting Group is a multi-disciplinary Engineering firm specialising in design, project management and construction phase services for the Water Industry.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchMelbourne, AustraliaHQ recorded Nov 4, 202651-20097 contacts →

Exact match

“EMtek at a glance We are a multidisciplinary engineering company built on strong values, sound technical judgement and practical project delivery.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchFortitude Valley, AustraliaHQ recorded Nov 4, 202651-20091 contacts →

Exact match

“TfA Project Group is a diverse, multi-disciplinary project management, design and engineering company that provides a “one stop shop” to its clients.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchPerth, AustraliaHQ recorded Nov 4, 202651-20089 contacts →

Exact match

“SGC Australia are an Australian owned, globally operated company with ISO 9001 and ISO 45001 certification, who provide real-world solutions designed around your needs.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchBrisbane, AustraliaHQ recorded Nov 4, 202651-20088 contacts →

Exact match

“Pitch Black Group is an Australian professional engineering and project services consultancy.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchMelbourne, AustraliaHQ recorded Nov 4, 202651-20088 contacts →

Exact match

“Long Energy and Resources is a triple ISO accredited, employee-owned project delivery company providing end-to-end engineering and advisory services across Australia’s energy…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase

Showing 20 of 796 oil and gas engineering companies based in Australia

See the full list, filter by size, metro and specialty, and access 6,683 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas engineering companies based in Australia at a glance

As of Nov 4, 2026
35.5%Verified-email coverage
23.6Average contacts per company
11-50Median size (employees)
14.2%Largest-city concentration · Perth
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
382
11-50
269
51-200
102
201-500
24
501-1,000
6
1,001-5,000
3
5,001-10,000
1

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 796 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 “oil and gas engineering companies” 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 6,683 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 4, 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 “oil and gas engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas engineering companies are there based in Australia?

RevenueBase identified 796 company matches for oil and gas engineering companies 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?

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

Which city has the most oil and gas engineering companies?

Perth leads with 113 company records, followed by Brisbane (71) and Sydney (48).

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 6,683 professional contacts with verified work emails tracked across these 796 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 4, 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.