Company lists · Data verified August 2026

Top 25 Data center security companies based in Australia

Name: Data center security companies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 190 companies tracked

There are 190 data center security companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 4,162 professional contacts across them, including 1,061 with verified work emails and 133 with mobile numbers. Melbourne is the largest hub.

This list covers data center security 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.

190Companies

4,162Contacts tracked

1,061Verified emails

133Mobile numbers

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The 25 largest data center security companies based in Australia

Ranked by team size

Top 25 of 190 data center security companies based in Australia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Wilson Security	Essendon Fields	5,001-10,000	1,805	425
2	SNP Security	West Ryde	1,001-5,000	508	61
3	ADT Security Australia	Rydalmere	501-1,000	179	37
4	Infotrust	Sydney	201-500	122	81
5	ARA Security	Wangara	201-500	105	69
6	Fortis Security	Berrimah	51-200	51	34
7	Leader Security Electronics	Mitchell	51-200	45	9
8	Slipstream Cyber	St Leonards	11-50	42	28
9	Seccom Global	Sydney	11-50	41	30
10	Astralas	Cremorne	51-200	35	20
11	Security1 S1	Phillip	51-200	33	8
12	ISEEK	Brisbane	51-200	28	18
13	Group 1 Security	Sydney	201-500	25	2
14	Exact Security	Jamisontown	51-200	24	5
15	Total Security Systems	Canning Vale	11-50	22	8
16	Smokeshield Security	Springvale	11-50	21	10
17	AMA Security	Adelaide	51-200	21	3
18	Surecity Networks	South Melbourne	11-50	19	12
19	Advanced Security Group	Tamworth	11-50	19	2
20	ARXIS	Adelaide	11-50	18	9
21	Zynet PTY LTD	Tullamarine	11-50	17	9
22	Prime Protection Services NSW	n/a	11-50	16	3
23	Diesec	Sydney	51-200	15	9
24	Excell Security	Altona North	51-200	15	1
25	Secure People	Bella Vista	11-50	15	1

Showing 25 of 190 data center security companies based in Australia

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Data center security companies based in Australia at a glance

As of Aug 28, 2026

11-50Median size (employees)

MelbourneLargest hub · 29 HQs

133Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Data center security companies by metro

Metro	Companies
Data center security companies in Melbourne	29
Data center security companies in Sydney	26
Data center security companies in Brisbane	10
Data center security companies in Adelaide	9
Data center security companies in Perth	4
Data center security companies in Tullamarine	3
Data center security companies in Alexandria	3

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 “data center security 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 data center security companies are there based in Australia?

There are 190 data center security companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Wilson Security, headquartered in Essendon Fields, tops this list with the largest team on record.

Which city has the most data center security companies?

Melbourne leads with 29 headquartered companies, followed by Sydney (26) and Brisbane (10).

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 1,061 verified decision-maker contacts tracked across these 190 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.