Company lists · Data verified August 2026

Top 25 Defense systems integration consultants based in Australia

Name: Defense systems integration consultants based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 192 companies tracked

There are 192 defense systems integration consultants headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 4,894 professional contacts across them, including 1,585 with verified work emails and 281 with mobile numbers. Canberra is the largest hub.

This list covers defense systems integration consultants 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.

192Companies

4,894Contacts tracked

1,585Verified emails

281Mobile numbers

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The 25 largest defense systems integration consultants based in Australia

Ranked by team size

Top 25 of 192 defense systems integration consultants 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	Leidos Australia	Scoresby	1,001-5,000	965	30
2	Saab Australia	Rockingham	501-1,000	717	16
3	Nova Systems	Adelaide	501-1,000	597	463
4	VEGA	Sydney	501-1,000	372	197
5	Northrop Grumman Australia	Canberra	501-1,000	325	1
6	Aurizn	Adelaide	201-500	157	114
7	Renew IT	Canning Vale	51-200	113	55
8	Sypaq Systems	South Perth	201-500	99	58
9	Informatech PTY LTD	Canberra	51-200	90	36
10	Digital61	Fyshwick	51-200	68	56
11	AVI PTY LTD	Symonston	51-200	59	42
12	4tel	Newcastle	51-200	53	37
13	Softel Systems	Melbourne	11-50	38	26
14	C5 Technology	Brisbane City	11-50	35	25
15	H3c Plus	Phillip	51-200	34	29
16	Blueforce	Perth	11-50	28	22
17	CNG Systems	Banyo	11-50	26	21
18	Controltech Building Technologies	Kensington	51-200	25	17
19	Rfteq PTY LTD	Torrensville	11-50	22	17
20	Bti-Defence	Darwin	201-500	22	10
21	Ocrt Consulting	Canberra	11-50	21	15
22	Towers Group PTY LTD	Melbourne	51-200	21	6
23	Jl2 Group	Canberra	11-50	20	13
24	SAHR	Adelaide	11-50	18	14
25	Security Centric	Sydney Cbd	11-50	16	12

Showing 25 of 192 defense systems integration consultants based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,585 reachable decision-makers.

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Defense systems integration consultants based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

CanberraLargest hub · 28 HQs

281Contacts with mobile numbers

1Emails 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

10001+

Defense systems integration consultants by metro

Metro	Companies
Defense systems integration consultants in Canberra	28
Defense systems integration consultants in Melbourne	21
Defense systems integration consultants in Brisbane	17
Defense systems integration consultants in Sydney	10
Defense systems integration consultants in Adelaide	7
Defense systems integration consultants in Newcastle	7
Defense systems integration consultants in Perth	6
Defense systems integration consultants in Kingston	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 “defense systems integration consultants”, 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 defense systems integration consultants are there based in Australia?

There are 192 defense systems integration consultants headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Leidos Australia, headquartered in Scoresby, tops this list with the largest team on record.

Which city has the most defense systems integration consultants?

Canberra leads with 28 headquartered companies, followed by Melbourne (21) 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 1,585 verified decision-maker contacts tracked across these 192 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.