Company lists · Data refreshed November 2026

Top 25 Building systems installation contractors based in Australia

RevenueBase identified 560 company matches for building systems installation contractors associated with Australia as of November 2026 and tracks 7,972 professional contacts across them, including 3,302 with verified work emails. Sydney is the largest hub.

This list covers company matches for building systems installation 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
560Companies
7,972Contacts tracked
3,302Verified emails
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The 25 largest building systems installation contractors based in Australia

Ranked by team size
Top 25 of 560 company matches for building systems installation 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 matchMoorabbin, AustraliaHQ recorded Nov 6, 20261,001-5,000540 contacts →

Exact match

“A.G.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchScoresby, AustraliaHQ recorded Nov 6, 20261,001-5,000524 contacts →

Exact match

“At Airmaster, our goal is to lead the way in integrated building services, combining HVAC & R, building automation, electrical, and fire systems to create smart buildings that are…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMoorebank, AustraliaHQ recorded Nov 6, 2026501-1,000466 contacts →

Exact match

“Grosvenor Engineering Group is passionate about creating long-term sustainable value for building owners, managers and their occupants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHendra, AustraliaHQ recorded Nov 6, 2026501-1,000379 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
5Exact matchDarra, AustraliaHQ recorded Nov 6, 2026201-500291 contacts →

Exact match

“VAE engineers, constructs and manages Smarter HVAC Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMoorabbin Airport, AustraliaHQ recorded Nov 6, 2026201-500248 contacts →

Exact match

“Established in 1964, Ellis Air Conditioning has a long history of successfully completing mechanical services projects and preventative maintenance programs for many various…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSouth Melbourne, AustraliaHQ recorded Nov 6, 2026201-500134 contacts →

Exact match

“Entire began in 1985 and was formed to provide a fully coordinated design, installation and maintenance service for fire protection, fire alarms and mechanical services within the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMascot, AustraliaHQ recorded Nov 6, 202611-50124 contacts →

Exact match

“The Stallion Group can take care of all your project needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBibra Lake, AustraliaHQ recorded Nov 6, 2026201-500123 contacts →

Exact match

“MEP is an award-winning building services contractor specializing in multiple disciplines across the construction industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Nov 6, 2026201-500105 contacts →

Exact match

“For nearly 40 years Hirotec, a wholly owned Australian company, has been a leader in integrated technical services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchQueanbeyan East, AustraliaHQ recorded Nov 6, 2026201-500101 contacts →

Exact match

“We design, manufacture, build and maintain specialised mechanical systems for commercial and industrial facilities to provide healthy, safe and efficient indoor environments for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Nov 6, 2026201-50066 contacts →

Exact match

“Multi Services Solutions is built on strong foundations of industry experience and service excellence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchKent Town, AustraliaHQ recorded Nov 6, 202651-20063 contacts →

Exact match

“O´Connors is an industry leading, privately owned, South Australian mechanical services provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMalaga, AustraliaHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“MIZCO is a diversified Western Australian owned and operated Electrical / Mechanical Building Services Company involved in the Commercial, Industrial, and Oil & Gas Sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWetherill Park, AustraliaHQ recorded Nov 6, 2026201-50052 contacts →

Exact match

“Dark Knight Group is a leading provider of comprehensive Electrical and Mechanical Contracting solutions for the Industrial and Commercial sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAdelaide, AustraliaHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Design & Construct Mechanical Services (DCM Services) provide quality, innovative, engineered mechanical services installations and maintenance solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchUlverstone, AustraliaHQ recorded Nov 6, 2026201-50049 contacts →

Exact match

“Degree C is Tasmania’s leading multi-trade contracting company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWarriewood, AustraliaHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“We are specialists in Installation and Maintenance of Commercial & Industrial Air Conditioning, Ventilation, Heating & Fire Protection.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDandenong South, AustraliaHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Only a select number of companies can assert their ability to provide the comprehensive range of HVAC, Fire and building services required by large corporate clients, while also…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchGrange, AustraliaHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“WELCOME TO DEWPOINT GROUP OF COMPANIES Dewpoint Group is recognised as an industry leader in the design and installation of air conditioning and mechanical services systems and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSilverwater, AustraliaHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Ryan Wilks Pty Ltd is a provider of Electrical, Mechanical, Air-Conditioning and Building Services to the Australian commercial and industrial markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“At Dynamic Trade Solutions we pride ourselves on the delivery of comprehensive, state of the art solutions to all of your electrical and plumbing needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchEpping, AustraliaHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“Auscool Air Conditioning and Mechanical Services is recognised as a HVAC industry leader in the commercial, retail and government sectors, but our inception began much more humbly.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchVermont, AustraliaHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“O.P Industries is a NEBB certified company and a member of the Air Conditioning and Mechanical Services Contractors’ Association of Australia (AMCA).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNorth Geelong, AustraliaHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“For over 50 years, Kennedys Group has cared for the spaces and systems Victorians use to live, work and learn.”

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

Showing 25 of 560 building systems installation contractors based in Australia

See the full list, filter by size, metro and specialty, and access 3,302 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building systems installation contractors based in Australia at a glance

As of Nov 6, 2026
41.4%Verified-email coverage
14.2Average contacts per company
11-50Median size (employees)
6.4%Largest-city concentration · Sydney
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
211
11-50
241
51-200
62
201-500
18
501-1,000
2
1,001-5,000
4
10001+
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 560 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 “building systems installation 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 3,302 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 “building systems installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many building systems installation contractors are there based in Australia?

RevenueBase identified 560 company matches for building systems installation 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?

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

Which city has the most building systems installation contractors?

Sydney leads with 36 company records, followed by Melbourne (33) and Perth (19).

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 3,302 professional contacts with verified work emails tracked across these 560 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 560 building systems installation contractors based in Australia. Start with a free account, no credit card.

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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.