Company lists · Data refreshed November 2026

Top 25 Geothermal energy engineering services based in Australia

RevenueBase identified 95 company matches for geothermal energy engineering services associated with Australia as of November 2026 and tracks 611 professional contacts across them, including 275 with verified work emails. Brisbane is the largest hub.

This list covers company matches for geothermal energy engineering services 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
95Companies
611Contacts tracked
275Verified emails
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The 25 largest geothermal energy engineering services based in Australia

Ranked by team size
Top 25 of 95 company matches for geothermal energy engineering services 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 matchMilton, AustraliaHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“Founded in 2012, inGauge Energy is a Well Engineering and Project Management company based in Brisbane, Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchChinchilla, AustraliaHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“OnSpec is a forward-thinking energy technology company born in Australia, serving clients worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMurarrie, AustraliaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“BRS Electrical is an experienced electrical engineering design and drafting services firm located in Brisbane, Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNerang, AustraliaHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“PE Consulting Engineers (PECE) designs and manages the construction of electrical, mechanical, and communications systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchJolimont, AustraliaHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Rockwater is a specialist hydrogeological and environmental consulting firm with the office in Perth, Western Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMelbourne, AustraliaHQ recorded Nov 6, 20261-1019 contacts →

Exact match

“Civil/Structural/Geotechnical Engineering design, Innovation, field testing, optimisation, research and development in the renewable energy sector, electrical substations and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAlphington, AustraliaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“INCITIAS is a global engineering and commercial service provider, facilitating energy transition projects for our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“UNDERSTANDING THE PROBLEM & IDENTIFYING REAL SOLUTIONS GWA Consultants is a specialist Mechanical Engineering and Energy Consultancy firm with over 25 years of experience in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Valenza Engineering is a global specialist groundwater engineering company providing high-quality, full-spectrum technical solutions in the fields of groundwater engineering and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChadstone, AustraliaHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Ecologiq Group | Engineering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPerth, AustraliaHQ recorded Nov 6, 20261-109 contacts →

Exact match

“About us Enplan provides clients with access to top-tier engineering, scientific, and business professionals, supporting the development and delivery of innovative solutions for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNoosaville, AustraliaHQ recorded Nov 6, 20261-108 contacts →

Exact match

“CleanSight is passionate about developing successful renewable energy and infrastructure projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBirtinya, AustraliaHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Ground & Water Australia Pty Ltd (GWA) is a specialised hydrogeological consultancy, founded by Director and Principal Hydrogeologist Chris Dickinson who brings ~30 years of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Flexigen delivers innovative engineering solutions across industrial and manufacturing sectors, specialising in energy efficiency, renewable energy, and process optimisation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBrisbane, AustraliaHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Excelsior Energy provides today's energy industry with a wide range of options for tomorrow's projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBathurst, AustraliaHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Consulting engineers and contract drafting services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHervey Bay, AustraliaHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Oceania Geo is committed to the sustainable exploration and production of critical resources.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Powerhertz provides specialist engineering services to the power generation and distribution industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBrisbane, AustraliaHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Divergise is a multidisciplinary Engineering Service provider delivering expert solutions across renewable energy, civil- structural design, digital engineering, grid engineering…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMelbourne Cbd, AustraliaHQ recorded Nov 6, 202611-505 contacts →

Exact match

“3D-GEO delivers high-tech, innovative solutions to the Oil and Gas, Minerals and Geothermal Industries; Utilizing proven seismic and structural interpretation skills gained…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMiranda, AustraliaHQ recorded Nov 6, 202611-504 contacts →

Exact match

“CWL Group are industry leaders in Geothermal Exchange heating and cooling, integrated heating systems and hydraulic projects across Greater Sydney and Southern Highlands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWest Perth, AustraliaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Direct Energy Australia is a diversified renewable-energy solutions company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCranbourne North, AustraliaHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Rudra is professionally driven Engineering, Consulting & Construction Company owned & operated by Chartered Professional Engineers from various parts of the Globe and accredited…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchTonsley, AustraliaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Power Edge Engineering delivers specialised electrical engineering and consulting services across the renewable energy, microgrid, and off-grid power sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBrisbane, AustraliaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Marine & Earth Sciences (MES) was established in 2004 and has become a leading service provider to the geotechnical engineering and environmental sector in the Australasian region.”

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

Showing 25 of 95 geothermal energy engineering services based in Australia

See the full list, filter by size, metro and specialty, and access 275 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geothermal energy engineering services based in Australia at a glance

As of Nov 6, 2026
45.0%Verified-email coverage
6.4Average contacts per company
1-10Median size (employees)
10.5%Largest-city concentration · Brisbane
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
68
11-50
22
51-200
5

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 95 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 “geothermal energy engineering services” 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 275 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 “geothermal energy engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal energy engineering services are there based in Australia?

RevenueBase identified 95 company matches for geothermal energy engineering services 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?

Ingauge Energy PTY LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most geothermal energy engineering services?

Brisbane leads with 10 company records, followed by Melbourne (10) and Perth (10).

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 275 professional contacts with verified work emails tracked across these 95 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.