Company lists · Data verified August 2026

Top 25 Enterprise IT infrastructure companies based in Australia

There are 912 enterprise IT infrastructure companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 17,563 professional contacts across them, including 5,595 with verified work emails and 1,344 with mobile numbers. Sydney is the largest hub.

This list covers enterprise IT infrastructure companies headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

912Companies
17,563Contacts tracked
5,595Verified emails
1,344Mobile numbers
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The 25 largest enterprise IT infrastructure companies based in Australia

Ranked by team size
Top 25 of 912 enterprise IT infrastructure companies based in Australia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1Mouri TechBardia1,001-5,0003,031145
2EOS IT Solutionsn/a1,001-5,0001,452976
3NCS Group AustraliaCanberra1,001-5,00079427
4NRI Australia & NEW ZealandSydney1,001-5,000723339
5Axiom TechnologiesMelbourne1,001-5,0005364
6CompnowBanyo501-1,000497357
7Broadway InfotechSydney201-50024348
8BlueapacheMilton201-500190106
9Cube NetworksSouthbank51-20015696
10Sisl GlobalUnley1,001-5,00012851
11Exigo TechNorwest51-2001181
12Diamond ITCrows Nest51-20011639
13Meridian Group International, INCn/a501-1,00011133
14EricomConiston51-20010673
15Abishar TechnologiesMelbourne201-5001049
16SyndeticomSydney51-20010245
17ORETADocklands51-2008959
18ExperteqSydney51-2008867
19InteliaMelbourne51-2008756
20ComunetAdelaide51-2008644
21QuorumSydney51-2007656
22Itsm CorporationMacquarie Park201-5007518
23Pedals UPMelbourne51-2006726
24Amulet HotkeySydney51-2006640
25M-Theory GroupMelbourne51-200636

Showing 25 of 912 enterprise IT infrastructure companies based in Australia

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Enterprise IT infrastructure companies based in Australia at a glance

As of Aug 28, 2026
1-10Median size (employees)
SydneyLargest hub · 159 HQs
1,344Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
468
11-50
325
51-200
81
201-500
11
501-1,000
7
1,001-5,000
11

Enterprise IT infrastructure companies by metro

MetroCompanies
Enterprise IT infrastructure companies in Sydney159
Enterprise IT infrastructure companies in Melbourne131
Enterprise IT infrastructure companies in Brisbane44
Enterprise IT infrastructure companies in Perth37
Enterprise IT infrastructure companies in Adelaide27
Enterprise IT infrastructure companies in North Sydney10
Enterprise IT infrastructure companies in Brisbane City9

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “enterprise IT infrastructure companies”, with match quality audited by blind human judging, and headquartered in Australia.
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
Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many enterprise IT infrastructure companies are there based in Australia?

There are 912 enterprise IT infrastructure companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Mouri Tech, headquartered in Bardia, tops this list with the largest team on record.

Which city has the most enterprise IT infrastructure companies?

Sydney leads with 159 headquartered companies, followed by Melbourne (131) and Brisbane (44).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,595 verified decision-maker contacts tracked across these 912 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.