Company lists · Data refreshed November 2026

Top 24 Telecommunications infrastructure security companies based in Australia

RevenueBase identified 464 company matches for telecommunications infrastructure security companies associated with Australia as of November 2026 and tracks 9,796 professional contacts across them, including 3,158 with verified work emails. Melbourne is the largest hub.

This list covers company matches for telecommunications infrastructure security companies 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 5, 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 5, 2026 How this list was built
464Companies
9,796Contacts tracked
3,158Verified emails
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The 24 largest telecommunications infrastructure security companies based in Australia

Ranked by team size
Top 24 of 464 company matches for telecommunications infrastructure security companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchEssendon Fields, AustraliaHQ recorded Nov 5, 20265,001-10,0001,964 contacts →

Exact match

“At Wilson Security, we are committed to building a safer future for everyone.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchDocklands, AustraliaHQ recorded Nov 5, 2026501-1,000935 contacts →

Exact match

“NEC has delivered world-class technology solutions and services to customers across the globe, for more than a century.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchWest Ryde, AustraliaHQ recorded Nov 5, 20261,001-5,000558 contacts →

Exact match

“Founded in 1923, SNP is one of Australia’s leading security services providers with over 2,500 employees nationwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchCoburg, AustraliaHQ recorded Nov 5, 2026501-1,000383 contacts →

Exact match

“We are an Australian-owned, full-service managed ICT solutions and cyber security provider with a sovereign team of 500+ across Australia & New Zealand.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchPreston, AustraliaHQ recorded Nov 5, 202610001+242 contacts →

Exact match

“We know how to offer the most effective security to our customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchRydalmere, AustraliaHQ recorded Nov 5, 2026501-1,000196 contacts →

Exact match

“For more than 130 years, we have stood alongside our community, protecting homes, families, businesses, and communities.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Nov 5, 2026201-500138 contacts →

Exact match

“Infotrust (ITS) is Australia’s leading cyber security and managed technology services provider listed on the ASX.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-200121 contacts →

Exact match

“Triskele Labs is one of Australia’s fastest growing cybersecurity companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchKingsgrove, AustraliaHQ recorded Nov 5, 2026201-500106 contacts →

Exact match

“ARA Security delivers turnkey security solutions to a number of industries across Australia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSouth Melbourne, AustraliaHQ recorded Nov 5, 20261,001-5,00093 contacts →

Exact match

“National Protective Services is a leading professional security company, specialising in the provision of quality and tailored protective services and products to ensure optimum…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchAdelaide, AustraliaHQ recorded Nov 5, 202651-20076 contacts →

Exact match

“AG Security Group is South Australia's leading and largest locally owned security organisation that has been protecting Australians for more than 35 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchPerth, AustraliaHQ recorded Nov 5, 202651-20065 contacts →

Exact match

“Streamline Connect is a premier telecommunications construction delivery business and have been providing telecommunications solutions since 1998.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchMelbourne, AustraliaHQ recorded Nov 5, 2026501-1,00065 contacts →

Exact match

“Guarding Solutions | Armed Guards | 24/7 Grade A1 Monitoring | Mobile Patrols | Electronics | Advisory EXEC Security is an Australian owned, national company with 20 years of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-20058 contacts →

Exact match

“Welcome to Fortis Security, founded in September of 2013, Fortis has grown year on year with customer support.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-20057 contacts →

Exact match

“SCG specialises in providing independent security and communications engineering, and security threat and risk consultancy services, to clients operating in challenging security…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchCremorne, AustraliaHQ recorded Nov 5, 202611-5057 contacts →

Exact match

“IPSec are specialists in information asset and cyber protection; security experts who know how to mitigate cyber risk by assisting in the protection of valuable intelligence…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchWoollahra, AustraliaHQ recorded Nov 5, 202651-20056 contacts →

Exact match

“Combining the very best personnel, processes and technology, Premium Solutions will redefine your expectations of the security industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchBrendale, AustraliaHQ recorded Nov 5, 202651-20055 contacts →

Exact match

“Established in the year Securcom has 20 years’ experience as a specialist security solution provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-20055 contacts →

Exact match

“DIMIYA Tech is a Melbourne, Australia based- global Cybersecurity and IT services provider supporting organizations that require secure, scalable, and high-performance technology…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchCentral Business District, AustraliaHQ recorded Nov 5, 202651-20050 contacts →

Exact match

“Sekuro is a leading global cybersecurity provider that helps clients and partners strategically mitigate cyber risks and build resilient businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchFyshwick, AustraliaHQ recorded Nov 5, 202651-20047 contacts →

Exact match

“Bluerydge delivers mission-secure capability, specialising in Security, Technology, Artificial Intelligence (AI), Robotics, Autonomous & Cost Imposition systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202611-5044 contacts →

Exact match

“With over 20 years in the security market for IT and Telecommunications networks, Softel has naturally migrated these skills into the Cybersecurity challenges of today.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5043 contacts →

Exact match

“Seccom Global - The Cyber Security Company Providing excellence in service to educate, connect and protect your business Founded in 2003, Seccom Global is recognised as a leader…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchNorth Sydney, AustraliaHQ recorded Nov 5, 202651-20043 contacts →

Exact match

“We are specialist industry specialists.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 24 of 464 telecommunications infrastructure security companies based in Australia

See the full list, filter by size, metro and specialty, and access 3,158 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecommunications infrastructure security companies based in Australia at a glance

As of Nov 5, 2026
32.2%Verified-email coverage
21.1Average contacts per company
11-50Median size (employees)
16.6%Largest-city concentration · Melbourne
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
193
11-50
166
51-200
67
201-500
16
501-1,000
7
1,001-5,000
7
5,001-10,000
1
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 464 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 “telecommunications infrastructure security companies” 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 3,158 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 5, 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 “telecommunications infrastructure security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunications infrastructure security companies are there based in Australia?

RevenueBase identified 464 company matches for telecommunications infrastructure security companies 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?

Wilson Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most telecommunications infrastructure security companies?

Melbourne leads with 77 company records, followed by Sydney (62) and Brisbane (25).

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 3,158 professional contacts with verified work emails tracked across these 464 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 5, 2026.

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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.