Company lists · Data refreshed October 2026
Top 25 Defense systems engineering firms based in Australia
RevenueBase identified 69 company matches for defense systems engineering firms associated with Australia as of October 2026 and tracks 2,866 professional contacts across them, including 1,147 with verified work emails. Melbourne is the largest hub.
This list covers company matches for defense systems engineering firms 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 October 11, 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.
The 25 largest defense systems engineering firms based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,035 contacts → | ||||
Exact match “Leidos is a Fortune 500® innovation company working to solve the world’s toughest challenges in government, intelligence, defence, aviation, border protection and health markets.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 2 | 610 contacts → | ||||
Exact match “Built on 25 years of test and evaluation and engineering experience, Nova Systems designs, integrates and delivers complex programs for Defence, emergency services and civil…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 3 | 160 contacts → | ||||
Exact match “Servicing Defence and Enterprise with our unique expertise in #AI, Advanced Sensing and #Simulation, Aurizn’s purpose is to push the boundaries of the known to create a more…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 4 | 121 contacts → | ||||
Exact match “Daronmont is a Small to Medium Enterprise (SME) operating mainly in the Defence Electronics sector integrating and supporting Surveillance Systems, Command and Control…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 5 | 100 contacts → | ||||
Exact match “Australian subsidiary of Rohde & Schwarz, which has been operating in Australia since 1981.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 6 | 57 contacts → | ||||
Exact match “At the forefront of specialised engineering, technical support, project management and consulting to Defence and Defence Industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 7 | 50 contacts → | ||||
Exact match “Supporting the Australian Defence Force since 1992, Acacia is a leading Australian defence software and systems company engaged primarily in developing advanced mission management…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 8 | 35 contacts → | ||||
Exact match “HTR Group is a Professional Services Supplier to the Australian Commonwealth and Defence Industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 9 | 32 contacts → | ||||
Exact match “Aeromarine Australia Pty Ltd was established in 1998 to provide professional services to Defence and Defence Industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 10 | 30 contacts → | ||||
Exact match “K39 Consulting (K39C) is an Australian defence consultancy specialising in engineering, governance, procurement and commercial advisory services for complex Defence programs.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 11 | 20 contacts → | ||||
Exact match “HENSOLDT Australia is a technology solutions company, providing integrated, multi-domain solutions, analytics and services across Defence, Space, Clean Energy and Maritime sectors.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 12 | 19 contacts → | ||||
Exact match “REDARC Defence & Space (RDS) is a 100% Australian-owned and operated advanced electronics manufacturer within the REDARC Group.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 13 | 15 contacts → | ||||
Exact match “Rob Dobson & Associates (RDA) has been helping customers to successfully define, develop, integrate, acquire and support major capability and assets since 1998.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “ADT designs, develops and manufactures complex electronic systems.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match “ABLE: THE COMPLETE ENGINEERING SOLUTION For the past 47 years, our team at Able Industries Engineering has been the trusted partner of the Australian Defence Force – delivering…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “Platypus Research & Development is an independent Canberra engineering company built for problems that do not fit neatly inside one discipline.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 17 | 10 contacts → | ||||
Exact match “Unitronix works with defence and critical-infrastructure engineers at the point where requirements are still forming.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Emerging in 2019, Bellinger Systems have continued the legacy of Bellinger Instruments after 52 years of service.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “Fusion Engineering Consulting Services is a Professional Service Provider offering specialist Engineering Advisory, Integration, Design and Management services to Defence and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 20 | 7 contacts → | ||||
Exact match “Enable Aerospace founded in 2016, is a specialist engineering company with industry leading capabilities across the customer value chain.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “A specialist engineering consultancy that designs, develops and deploys mission-critical Joint Fires systems.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 22 | 6 contacts → | ||||
Exact match “Mostyn Enterprises commenced its manufacturing business operations in 1967.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “Professional engineering services, with expertise in designing, deploying and maintaining complex autonomous and robotic systems; combining Electrical, Control, Software and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “A Sovereign Australian capability.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “We are a Melbourne-based boutique consulting firm specialised in Systems/Software Engineering, Cyber Security and ICT Project Management for Defence, Aerospace and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “defense systems engineering firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 69 defense systems engineering firms based in Australia
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Defense systems engineering firms based in Australia at a glance
As of Oct 11, 2026Companies by employee count
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 69 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 “defense systems engineering firms” 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 1,147 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 October 11, 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 “defense systems engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many defense systems engineering firms are there based in Australia?
RevenueBase identified 69 company matches for defense systems engineering firms associated with Australia as of October 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?
Leidos Australia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most defense systems engineering firms?
Melbourne leads with 10 company records, followed by Adelaide (6) and Canberra (6).
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 1,147 professional contacts with verified work emails tracked across these 69 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 October 11, 2026.
Ready to reach these companies? Verified emails and direct dials for all 69 defense systems engineering firms based in Australia. Start with a free account, no credit card.
Download this list →Related lists
Defense systems engineering firms by geography
- Defense systems engineering firms based in Bangalore, India
- Defense systems engineering firms based in Ankara, Türkiye
- Defense systems engineering firms based in Arlington, United States
- Defense systems engineering firms based in Huntsville, United States
- Defense systems engineering firms based in San Diego, United States
- Defense systems engineering firms based in Canada
- Defense systems engineering firms based in India
- Defense systems engineering firms based in Israel
- Defense systems engineering firms based in Italy
- Defense systems engineering firms based in Spain
- Defense systems engineering firms based in Türkiye
- Defense systems engineering firms based in the United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Defense systems engineering firms based in Bangalore, India
- Defense systems engineering firms based in Ankara, Türkiye
- Defense systems engineering firms based in Arlington, United States
- Defense systems engineering firms based in Huntsville, United States
- Defense systems engineering firms based in San Diego, United States
- Defense systems engineering firms based in Canada
Company intelligence · public preview
Top 25 defense systems engineering firms based in Australia
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 69 matching company records for defense systems engineering firms based in Australia, with 2,866 tracked contacts and 1,147 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 defense systems engineering firms based in Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Leidos Australialeidos.comHQ: Scoresby, AustraliaReported employees: 1,001-5,000 | Scoresby, Australia | 1,001-5,000 | Exact match | 1,035 contacts → |
“Leidos is a Fortune 500® innovation company working to solve the world’s toughest challenges in government, intelligence, defence, aviation, border protection and health markets.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Nova Systemsnovasystems.comHQ: Adelaide, AustraliaReported employees: 501-1,000 | Adelaide, Australia | 501-1,000 | Exact match | 610 contacts → |
“Built on 25 years of test and evaluation and engineering experience, Nova Systems designs, integrates and delivers complex programs for Defence, emergency services and civil…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Auriznaurizn.coHQ: Adelaide, AustraliaReported employees: 201-500 | Adelaide, Australia | 201-500 | Exact match | 160 contacts → |
“Servicing Defence and Enterprise with our unique expertise in #AI, Advanced Sensing and #Simulation, Aurizn’s purpose is to push the boundaries of the known to create a more…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Daronmont Technologiesdaronmont.com.auHQ: Mawson Lakes, AustraliaReported employees: 51-200 | Mawson Lakes, Australia | 51-200 | Exact match | 121 contacts → |
“Daronmont is a Small to Medium Enterprise (SME) operating mainly in the Defence Electronics sector integrating and supporting Surveillance Systems, Command and Control…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Rohde & Schwarz Australiarohde-schwarz.comHQ: Macquarie Park, AustraliaReported employees: 51-200 | Macquarie Park, Australia | 51-200 | Exact match | 100 contacts → |
“Australian subsidiary of Rohde & Schwarz, which has been operating in Australia since 1981.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ascent PTY LTDascentps.com.auHQ: Adelaide, AustraliaReported employees: 51-200 | Adelaide, Australia | 51-200 | Exact match | 57 contacts → |
“At the forefront of specialised engineering, technical support, project management and consulting to Defence and Defence Industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Acacia Systemsacaciasystems.com.auHQ: Hendon, AustraliaReported employees: 51-200 | Hendon, Australia | 51-200 | Exact match | 50 contacts → |
“Supporting the Australian Defence Force since 1992, Acacia is a leading Australian defence software and systems company engaged primarily in developing advanced mission management…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HTR Grouphtr.com.au HQ: Pyrmont, AustraliaReported employees: 51-200 | Pyrmont, Australia | 51-200 | Exact match | 35 contacts → |
“HTR Group is a Professional Services Supplier to the Australian Commonwealth and Defence Industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aeromarineaeromarine.com.auHQ: Bokarina, AustraliaReported employees: Not recorded | Bokarina, Australia | Not recorded | Exact match | 32 contacts → |
“Aeromarine Australia Pty Ltd was established in 1998 to provide professional services to Defence and Defence Industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  K39 Consulting PTY LTDk39consulting.comHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 30 contacts → |
“K39 Consulting (K39C) is an Australian defence consultancy specialising in engineering, governance, procurement and commercial advisory services for complex Defence programs.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Hensoldt Australia & NEW Zealandhensoldt.netHQ: Fyshwick, AustraliaReported employees: 11-50 | Fyshwick, Australia | 11-50 | Exact match | 20 contacts → |
“HENSOLDT Australia is a technology solutions company, providing integrated, multi-domain solutions, analytics and services across Defence, Space, Clean Energy and Maritime sectors.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Redarc Defence & Spaceredarcdefence.comHQ: Lonsdale, AustraliaReported employees: 201-500 | Lonsdale, Australia | 201-500 | Exact match | 19 contacts → |
“REDARC Defence & Space (RDS) is a 100% Australian-owned and operated advanced electronics manufacturer within the REDARC Group.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ROB Dobson & Associatesdobson-associates.com.auHQ: Canberra, AustraliaReported employees: 11-50 | Canberra, Australia | 11-50 | Exact match | 15 contacts → |
“Rob Dobson & Associates (RDA) has been helping customers to successfully define, develop, integrate, acquire and support major capability and assets since 1998.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Advanced Design Technology PTY LTDadt.com.auHQ: Canberra, AustraliaReported employees: 11-50 | Canberra, Australia | 11-50 | Exact match | 13 contacts → |
“ADT designs, develops and manufactures complex electronic systems.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Able Industries Engineeringableind.com.auHQ: South Kingsville, AustraliaReported employees: 51-200 | South Kingsville, Australia | 51-200 | Exact match | 13 contacts → |
“ABLE: THE COMPLETE ENGINEERING SOLUTION For the past 47 years, our team at Able Industries Engineering has been the trusted partner of the Australian Defence Force – delivering…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Hume, AustraliaReported employees: 11-50 | Hume, Australia | 11-50 | Exact match | 12 contacts → |
“Platypus Research & Development is an independent Canberra engineering company built for problems that do not fit neatly inside one discipline.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Unitronixunitronix.com.auHQ: Cooranbong, AustraliaReported employees: 1-10 | Cooranbong, Australia | 1-10 | Exact match | 10 contacts → |
“Unitronix works with defence and critical-infrastructure engineers at the point where requirements are still forming.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Bellinger Systems PTY LTDbellinger.com.auHQ: Rydalmere, AustraliaReported employees: 11-50 | Rydalmere, Australia | 11-50 | Exact match | 9 contacts → |
“Emerging in 2019, Bellinger Systems have continued the legacy of Bellinger Instruments after 52 years of service.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Fusion ECSfusionecs.com.auHQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 9 contacts → |
“Fusion Engineering Consulting Services is a Professional Service Provider offering specialist Engineering Advisory, Integration, Design and Management services to Defence and…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Enable Aerospace PTY LTDenableaerospace.comHQ: Port Melbourne, AustraliaReported employees: 1-10 | Port Melbourne, Australia | 1-10 | Exact match | 7 contacts → |
“Enable Aerospace founded in 2016, is a specialist engineering company with industry leading capabilities across the customer value chain.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  MKIVmkiv.com.auHQ: Melbourne, AustraliaReported employees: 1-10 | Melbourne, Australia | 1-10 | Exact match | 7 contacts → |
“A specialist engineering consultancy that designs, develops and deploys mission-critical Joint Fires systems.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mostyn Enterprisesmostynent.com HQ: St Marys, AustraliaReported employees: 1-10 | St Marys, Australia | 1-10 | Exact match | 6 contacts → |
“Mostyn Enterprises commenced its manufacturing business operations in 1967.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Pumpkin Engineeringpumpkineng.com.auHQ: Brisbane, AustraliaReported employees: 1-10 | Brisbane, Australia | 1-10 | Exact match | 4 contacts → |
“Professional engineering services, with expertise in designing, deploying and maintaining complex autonomous and robotic systems; combining Electrical, Control, Software and…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Trident Defencetridentdefence.com.auHQ: Newcastle, AustraliaReported employees: 1-10 | Newcastle, Australia | 1-10 | Exact match | 3 contacts → |
“A Sovereign Australian capability.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Spiral Systems Australiaspiralsystems.com.auHQ: Melbourne, AustraliaReported employees: 1-10 | Melbourne, Australia | 1-10 | Exact match | 3 contacts → |
“We are a Melbourne-based boutique consulting firm specialised in Systems/Software Engineering, Cyber Security and ICT Project Management for Defence, Aerospace and…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 69 company matches
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Defense systems engineering firms: dataset insights
October 11, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
69 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 69 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for defense systems engineering firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many defense systems engineering firms did RevenueBase find based in Australia?
The saved snapshot records 69 matching company records, 2,866 tracked contacts and 1,147 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 11, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Defense systems engineering firms by geography
- Defense systems engineering firms based in Bangalore, India
- Defense systems engineering firms based in Ankara, Türkiye
- Defense systems engineering firms based in Arlington, United States
- Defense systems engineering firms based in Huntsville, United States
- Defense systems engineering firms based in San Diego, United States
- Defense systems engineering firms based in Canada
- Defense systems engineering firms based in India
- Defense systems engineering firms based in Israel
- Defense systems engineering firms based in Italy
- Defense systems engineering firms based in Spain
- Defense systems engineering firms based in Türkiye
- Defense systems engineering firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 defense systems engineering firms based in Australia. Snapshot: October 11, 2026. https://revenuebase.ai/companies/defense-systems-engineering-firms/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Defense systems engineering firms based in Bangalore, India
- Defense systems engineering firms based in Ankara, Türkiye
- Defense systems engineering firms based in Arlington, United States
- Defense systems engineering firms based in Huntsville, United States
- Defense systems engineering firms based in San Diego, United States
- Defense systems engineering firms based in Canada
Company intelligence · public preview
Top 25 defense systems engineering firms based in Australia
RevenueBase records 69 matching company records for defense systems engineering firms based in Australia, with 2,866 tracked contacts and 1,147 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 defense systems engineering firms based in Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Leidos Australialeidos.com HQ: Scoresby, AustraliaReported employees: 1,001-5,000 | Scoresby, Australia | 1,001-5,000 | Exact match | 1,035 contacts → |
“Leidos is a Fortune 500® innovation company working to solve the world’s toughest challenges in government, intelligence, defence, aviation, border protection and health markets.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nova Systemsnovasystems.com HQ: Adelaide, AustraliaReported employees: 501-1,000 | Adelaide, Australia | 501-1,000 | Exact match | 610 contacts → |
“Built on 25 years of test and evaluation and engineering experience, Nova Systems designs, integrates and delivers complex programs for Defence, emergency services and civil…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Auriznaurizn.co HQ: Adelaide, AustraliaReported employees: 201-500 | Adelaide, Australia | 201-500 | Exact match | 160 contacts → |
“Servicing Defence and Enterprise with our unique expertise in #AI, Advanced Sensing and #Simulation, Aurizn’s purpose is to push the boundaries of the known to create a more…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Daronmont Technologiesdaronmont.com.au HQ: Mawson Lakes, AustraliaReported employees: 51-200 | Mawson Lakes, Australia | 51-200 | Exact match | 121 contacts → |
“Daronmont is a Small to Medium Enterprise (SME) operating mainly in the Defence Electronics sector integrating and supporting Surveillance Systems, Command and Control…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Rohde & Schwarz Australiarohde-schwarz.com HQ: Macquarie Park, AustraliaReported employees: 51-200 | Macquarie Park, Australia | 51-200 | Exact match | 100 contacts → |
“Australian subsidiary of Rohde & Schwarz, which has been operating in Australia since 1981.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ascent PTY LTDascentps.com.au HQ: Adelaide, AustraliaReported employees: 51-200 | Adelaide, Australia | 51-200 | Exact match | 57 contacts → |
“At the forefront of specialised engineering, technical support, project management and consulting to Defence and Defence Industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Acacia Systemsacaciasystems.com.au HQ: Hendon, AustraliaReported employees: 51-200 | Hendon, Australia | 51-200 | Exact match | 50 contacts → |
“Supporting the Australian Defence Force since 1992, Acacia is a leading Australian defence software and systems company engaged primarily in developing advanced mission management…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HTR Grouphtr.com.au HQ: Pyrmont, AustraliaReported employees: 51-200 | Pyrmont, Australia | 51-200 | Exact match | 35 contacts → |
“HTR Group is a Professional Services Supplier to the Australian Commonwealth and Defence Industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aeromarineaeromarine.com.au HQ: Bokarina, AustraliaReported employees: Not recorded | Bokarina, Australia | Not recorded | Exact match | 32 contacts → |
“Aeromarine Australia Pty Ltd was established in 1998 to provide professional services to Defence and Defence Industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | K39 Consulting PTY LTDk39consulting.com HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 30 contacts → |
“K39 Consulting (K39C) is an Australian defence consultancy specialising in engineering, governance, procurement and commercial advisory services for complex Defence programs.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hensoldt Australia & NEW Zealandhensoldt.net HQ: Fyshwick, AustraliaReported employees: 11-50 | Fyshwick, Australia | 11-50 | Exact match | 20 contacts → |
“HENSOLDT Australia is a technology solutions company, providing integrated, multi-domain solutions, analytics and services across Defence, Space, Clean Energy and Maritime sectors.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Redarc Defence & Spaceredarcdefence.com HQ: Lonsdale, AustraliaReported employees: 201-500 | Lonsdale, Australia | 201-500 | Exact match | 19 contacts → |
“REDARC Defence & Space (RDS) is a 100% Australian-owned and operated advanced electronics manufacturer within the REDARC Group.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ROB Dobson & Associatesdobson-associates.com.au HQ: Canberra, AustraliaReported employees: 11-50 | Canberra, Australia | 11-50 | Exact match | 15 contacts → |
“Rob Dobson & Associates (RDA) has been helping customers to successfully define, develop, integrate, acquire and support major capability and assets since 1998.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Advanced Design Technology PTY LTDadt.com.au HQ: Canberra, AustraliaReported employees: 11-50 | Canberra, Australia | 11-50 | Exact match | 13 contacts → |
“ADT designs, develops and manufactures complex electronic systems.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Able Industries Engineeringableind.com.au HQ: South Kingsville, AustraliaReported employees: 51-200 | South Kingsville, Australia | 51-200 | Exact match | 13 contacts → |
“ABLE: THE COMPLETE ENGINEERING SOLUTION For the past 47 years, our team at Able Industries Engineering has been the trusted partner of the Australian Defence Force – delivering…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Hume, AustraliaReported employees: 11-50 | Hume, Australia | 11-50 | Exact match | 12 contacts → |
“Platypus Research & Development is an independent Canberra engineering company built for problems that do not fit neatly inside one discipline.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Unitronixunitronix.com.au HQ: Cooranbong, AustraliaReported employees: 1-10 | Cooranbong, Australia | 1-10 | Exact match | 10 contacts → |
“Unitronix works with defence and critical-infrastructure engineers at the point where requirements are still forming.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Bellinger Systems PTY LTDbellinger.com.au HQ: Rydalmere, AustraliaReported employees: 11-50 | Rydalmere, Australia | 11-50 | Exact match | 9 contacts → |
“Emerging in 2019, Bellinger Systems have continued the legacy of Bellinger Instruments after 52 years of service.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Fusion ECSfusionecs.com.au HQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 9 contacts → |
“Fusion Engineering Consulting Services is a Professional Service Provider offering specialist Engineering Advisory, Integration, Design and Management services to Defence and…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Enable Aerospace PTY LTDenableaerospace.com HQ: Port Melbourne, AustraliaReported employees: 1-10 | Port Melbourne, Australia | 1-10 | Exact match | 7 contacts → |
“Enable Aerospace founded in 2016, is a specialist engineering company with industry leading capabilities across the customer value chain.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | MKIVmkiv.com.au HQ: Melbourne, AustraliaReported employees: 1-10 | Melbourne, Australia | 1-10 | Exact match | 7 contacts → |
“A specialist engineering consultancy that designs, develops and deploys mission-critical Joint Fires systems.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mostyn Enterprisesmostynent.com HQ: St Marys, AustraliaReported employees: 1-10 | St Marys, Australia | 1-10 | Exact match | 6 contacts → |
“Mostyn Enterprises commenced its manufacturing business operations in 1967.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Pumpkin Engineeringpumpkineng.com.au HQ: Brisbane, AustraliaReported employees: 1-10 | Brisbane, Australia | 1-10 | Exact match | 4 contacts → |
“Professional engineering services, with expertise in designing, deploying and maintaining complex autonomous and robotic systems; combining Electrical, Control, Software and…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Trident Defencetridentdefence.com.au HQ: Newcastle, AustraliaReported employees: 1-10 | Newcastle, Australia | 1-10 | Exact match | 3 contacts → |
“A Sovereign Australian capability.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Spiral Systems Australiaspiralsystems.com.au HQ: Melbourne, AustraliaReported employees: 1-10 | Melbourne, Australia | 1-10 | Exact match | 3 contacts → |
“We are a Melbourne-based boutique consulting firm specialised in Systems/Software Engineering, Cyber Security and ICT Project Management for Defence, Aerospace and…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Defense systems engineering firms: dataset insights
October 11, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
69 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 69 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for defense systems engineering firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many defense systems engineering firms did RevenueBase find based in Australia?
The saved snapshot records 69 matching company records, 2,866 tracked contacts and 1,147 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 11, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Defense systems engineering firms by geography
- Defense systems engineering firms based in Bangalore, India
- Defense systems engineering firms based in Ankara, Türkiye
- Defense systems engineering firms based in Arlington, United States
- Defense systems engineering firms based in Huntsville, United States
- Defense systems engineering firms based in San Diego, United States
- Defense systems engineering firms based in Canada
- Defense systems engineering firms based in India
- Defense systems engineering firms based in Israel
- Defense systems engineering firms based in Italy
- Defense systems engineering firms based in Spain
- Defense systems engineering firms based in Türkiye
- Defense systems engineering firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 defense systems engineering firms based in Australia. Snapshot: October 11, 2026. https://revenuebase.ai/companies/defense-systems-engineering-firms/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Defense systems engineering firms based in Bangalore, India
- Defense systems engineering firms based in Ankara, Türkiye
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