Company lists · Data verified August 2026

Top 25 Data center security services based in Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 306 companies tracked

There are 306 data center security services headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 5,227 professional contacts across them, including 1,346 with verified work emails and 193 with mobile numbers. Melbourne is the largest hub.

This list covers data center security services 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.

306Companies

5,227Contacts tracked

1,346Verified emails

193Mobile numbers

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The 25 largest data center security services based in Australia

Ranked by team size

Top 25 of 306 data center security services 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	ARA Security	Wangara	201-500	105	69
5	Ultimate Security Australia	Concord	501-1,000	91	34
6	National Protective Services	South Melbourne	1,001-5,000	81	3
7	AG Security Group	Canberra	51-200	72	22
8	Exec Security	Melbourne	501-1,000	58	21
9	Fortis Security	Berrimah	51-200	51	34
10	Wipro Shelde	Melbourne	51-200	50	15
11	Leader Security Electronics	Mitchell	51-200	45	9
12	Astralas	Cremorne	51-200	35	20
13	DAVKI	Gold Coast	51-200	34	8
14	Security1 S1	Phillip	51-200	33	8
15	ISEEK	Brisbane	51-200	28	18
16	Oscar Security Group PTY LTD	Chipping Norton	51-200	28	3
17	Group 1 Security	Sydney	201-500	25	2
18	Exact Security	Jamisontown	51-200	24	5
19	AMA Security	Adelaide	51-200	21	3
20	Diesec	Sydney	51-200	15	9
21	Safer Community Security	West Perth	51-200	15	7
22	Excell Security	Altona North	51-200	15	1
23	Link Enterprise Solutions - Link	Eagle Farm	51-200	14	7
24	Martine Massih	Sydney	51-200	13	2
25	Towns Security Electronic Security System Supplier Cctv Access Control Alarm Back To Base	South Hurstville	51-200	10	5

Showing 25 of 306 data center security services based in Australia

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Data center security services based in Australia at a glance

As of Aug 28, 2026

11-50Median size (employees)

MelbourneLargest hub · 44 HQs

193Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

116

11-50

111

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Data center security services by metro

Metro	Companies
Data center security services in Melbourne	44
Data center security services in Sydney	37
Data center security services in Brisbane	17
Data center security services in Adelaide	9
Data center security services in Perth	7
Data center security services in Gold Coast	5
Data center security services in Canberra	5
Data center security services in Port Melbourne	4

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 services”, 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; 1 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 services are there based in Australia?

There are 306 data center security services 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 services?

Melbourne leads with 44 headquartered companies, followed by Sydney (37) and Brisbane (17).

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 1,346 verified decision-maker contacts tracked across these 306 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.