Company lists · Data verified August 2026

Top 25 Cybersecurity energy sector companies based in Australia

Name: Cybersecurity energy sector companies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 105 companies tracked

There are 105 cybersecurity energy sector companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 1,293 professional contacts across them, including 428 with verified work emails and 52 with mobile numbers. Melbourne is the largest hub.

This list covers cybersecurity energy sector 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.

105Companies

1,293Contacts tracked

428Verified emails

52Mobile numbers

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The 25 largest cybersecurity energy sector companies based in Australia

Ranked by team size

Top 25 of 105 cybersecurity energy sector 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	PT Itsec Asia TBK	Melbourne	201-500	387	67
2	Triskele Labs	Melbourne	51-200	123	89
3	Ipsec PTY LTD	Cremorne	11-50	57	35
4	Wipro Shelde	Melbourne	51-200	50	15
5	Emerging IT	Mulgrave	51-200	45	27
6	Ionize	Canberra	51-200	34	26
7	NSB Cyber	Brisbane	11-50	30	19
8	Cybernara	Adelaide	11-50	29	5
9	Datcom Cloud	North Geelong	11-50	26	12
10	The Pride Group QLD PTY LTD	Kunda Park	11-50	18	13
11	Zynet PTY LTD	Tullamarine	11-50	17	9
12	Sinevis	n/a	11-50	17	6
13	Spartans Security	Cremorne	11-50	14	8
14	Cleared	Canberra	11-50	11	9
15	Cognitio Digital	Brisbane	11-50	11	9
16	IT First Responder	Castle Hill	11-50	11	8
17	Cyberhub Group	Sydney	11-50	9	3
18	Cyber Ethos	Queensland	1-10	9	3
19	Solis Security Australia	Bundall	11-50	8	6
20	Capa Intelligence	Melbourne	1-10	8	4
21	Riot Solutions	Brisbane	51-200	7	5
22	Iqbox PTY LTD	Sydney	11-50	7	1
23	Databl	Perth	11-50	6	5
24	Gman IT	Cbd	1-10	6	3
25	D2unet PTY LTD	Sydney	1-10	6	2

Showing 25 of 105 cybersecurity energy sector companies based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 428 reachable decision-makers.

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Cybersecurity energy sector companies based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

MelbourneLargest hub · 23 HQs

52Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cybersecurity energy sector companies by metro

Metro	Companies
Cybersecurity energy sector companies in Melbourne	23
Cybersecurity energy sector companies in Sydney	20
Cybersecurity energy sector companies in Brisbane	10
Cybersecurity energy sector companies in Canberra	7
Cybersecurity energy sector companies in Perth	6
Cybersecurity energy sector companies in Adelaide	3
Cybersecurity energy sector companies in Sunshine Coast	2
Cybersecurity energy sector companies in Southbank	2

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 “cybersecurity energy sector 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; 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 cybersecurity energy sector companies are there based in Australia?

There are 105 cybersecurity energy sector companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

PT Itsec Asia TBK, headquartered in Melbourne, tops this list with the largest team on record.

Which city has the most cybersecurity energy sector companies?

Melbourne leads with 23 headquartered companies, followed by Sydney (20) 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 428 verified decision-maker contacts tracked across these 105 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.