Company lists · Data refreshed September 2026
Top 25 Critical infrastructure defense based in New Zealand
RevenueBase identified 99 company matches for critical infrastructure defense associated with New Zealand as of September 2026 and tracks 1,121 professional contacts across them, including 609 with verified work emails. Auckland is the largest hub.
This list covers company matches for critical infrastructure defense associated with New Zealand, 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 September 16, 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 critical infrastructure defense based in New Zealand
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 336 contacts → | ||||
Exact match “Gallagher Security is a global leader in integrated technology solutions that help organizations around the world protect, secure, and manage people and assets.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 119 contacts → | ||||
Exact match “DEFEND are an independent agnostic cyber security partner.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 94 contacts → | ||||
Exact match “Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 53 contacts → | ||||
Exact match “Making security simple through our friendly, highly trained professional staff, Simply Security New Zealand delivers a reliable, integral, and professional portfolio of services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 37 contacts → | ||||
Exact match “ADT Security has made it our business to help safeguard people, property and possessions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 36 contacts → | ||||
Exact match “Evotek has established a reputation as one of New Zealand's leading authorities in electronic security design, and installation and support, utilising high quality equipment from…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 35 contacts → | ||||
Exact match “Established in 1962, SECOM is recognized as Japan’s N01 security services provider.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 18 contacts → | ||||
Exact match “With a remarkable track record spanning over 32 years, Silicon has continuously evolved into a trusted technology partner for organisations across various sectors, including…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “At Nectar, we partner with forward-thinking businesses to harness the power of technology in securing their future and driving business efficiency.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 16 contacts → | ||||
Exact match “Nutech is a Security Company committed to providing safe and effective security solutions for your home, business and community.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “ICE Security have the relevant experience and proven track records to provide a long term, robust and cost effective solution for provision of Security Services to our customers.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 14 contacts → | ||||
Exact match “OptimaTech is passionately committed to transforming businesses across New Zealand, Hong Kong and Asia Pacific by leveraging security-driven technology as the foundation for…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 13 contacts → | ||||
Exact match “Nextro is a cyber, physical, & electronic security systems provider, as well as an ISP/MSSP.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “We are a group of certified IT experts, highly specialised in world-class Network Cybersecurity solutions to improve your overall business performance by solving complex…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match “We're here to keep your data secure.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “Layer 9 was founded by a team of specialists committed to delivering strategic value and passionate about organisational security.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 11 contacts → | ||||
Exact match “Red Wolf High Level Security Ltd is a high level security integrator company based out of Wellington and Auckland, New Zealand.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 11 contacts → | ||||
Exact match “CyberCure is a boutique cyber security and privacy consultancy based in Wellington, NZ.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “OPSEC provides a wide range of security services and innovative training programmes to help you enjoy 'Peace of Mind'.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “Fenrir Security was founded with a rebellious spirt and an audacious goal: to provide technical excellence across cyber security services at an equitable price point while…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “Safe doesn’t mean boring.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “Diode is an NZ based security company built on passion for technology and drive to secure customers environments.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match “A team of cyber security experts, helping businesses build cyber resilience and manage their cyber security risk.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “Outfox has a single mission to make businesses more cyber resilient - fully prepared to detect, respond and most importantly recover from cyber-attacks.” Recorded in the RevenueBase company graph · Sep 16, 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 “critical infrastructure defense”. 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 99 critical infrastructure defense based in New Zealand
See the full list, filter by size, metro and specialty, and access 609 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure defense based in New Zealand at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for New Zealand, so it is reported there. Company counts and contact totals on this page are exact for New Zealand, over 99 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 New Zealand whose business descriptions match “critical infrastructure defense” 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 609 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 September 16, 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 “critical infrastructure defense”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure defense are there based in New Zealand?
RevenueBase identified 99 company matches for critical infrastructure defense associated with New Zealand as of September 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?
Gallagher Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most critical infrastructure defense?
Auckland leads with 44 company records, followed by Wellington (18) and Christchurch (11).
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 609 professional contacts with verified work emails tracked across these 99 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 September 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 99 critical infrastructure defense based in New Zealand. Start with a free account, no credit card.
Download this list →Related lists
Critical infrastructure defense by geography
- Critical infrastructure defense based in Adelaide, Australia
- Critical infrastructure defense based in Brisbane, Australia
- Critical infrastructure defense based in Canberra, Australia
- Critical infrastructure defense based in Melbourne, Australia
- Critical infrastructure defense based in Perth, Australia
- Critical infrastructure defense based in Sydney, Australia
- Critical infrastructure defense based in Belo Horizonte, Brazil
- Critical infrastructure defense based in Brasilia, Brazil
- Critical infrastructure defense based in Curitiba, Brazil
- Critical infrastructure defense based in Porto Alegre, Brazil
- Critical infrastructure defense based in Rio De Janeiro, Brazil
- Critical infrastructure defense based in Sao Paulo, Brazil
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
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- New lists
- Critical infrastructure defense based in Adelaide, Australia
- Critical infrastructure defense based in Brisbane, Australia
- Critical infrastructure defense based in Canberra, Australia
- Critical infrastructure defense based in Melbourne, Australia
- Critical infrastructure defense based in Perth, Australia
- Critical infrastructure defense based in Sydney, Australia
Company intelligence · public preview
Top 25 critical infrastructure defense based in New Zealand
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 99 matching company records for critical infrastructure defense based in New Zealand, with 1,121 tracked contacts and 609 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: September 16, 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 critical infrastructure defense based in New Zealand
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 |  Gallagher Securitysecurity.gallagher.comHQ: Hamilton, New ZealandReported employees: 501-1,000 | Hamilton, New Zealand | 501-1,000 | Exact match | 336 contacts → |
“Gallagher Security is a global leader in integrated technology solutions that help organizations around the world protect, secure, and manage people and assets.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Defenddefend.co.nzHQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 119 contacts → |
“DEFEND are an independent agnostic cyber security partner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bastion Security Groupbastionsecurity.co.nzHQ: Wellington, New ZealandReported employees: 51-200 | Wellington, New Zealand | 51-200 | Exact match | 94 contacts → |
“Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Simply Security NEW Zealandsimplysecurity.co.nzHQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 53 contacts → |
“Making security simple through our friendly, highly trained professional staff, Simply Security New Zealand delivers a reliable, integral, and professional portfolio of services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ADT Security NEW Zealandadtsecurity.co.nzHQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 37 contacts → |
“ADT Security has made it our business to help safeguard people, property and possessions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Evotek Technologiesevotek.co.nzHQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 36 contacts → |
“Evotek has established a reputation as one of New Zealand's leading authorities in electronic security design, and installation and support, utilising high quality equipment from…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Secom NEW Zealandsecom.co.nzHQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 35 contacts → |
“Established in 1962, SECOM is recognized as Japan’s N01 security services provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Silicon Systems Limitedsilicon.co.nzHQ: Upper Hutt, New ZealandReported employees: 11-50 | Upper Hutt, New Zealand | 11-50 | Exact match | 18 contacts → |
“With a remarkable track record spanning over 32 years, Silicon has continuously evolved into a trusted technology partner for organisations across various sectors, including…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Nectarnectargroup.co.nzHQ: Christchurch, New ZealandReported employees: 11-50 | Christchurch, New Zealand | 11-50 | Exact match | 16 contacts → |
“At Nectar, we partner with forward-thinking businesses to harness the power of technology in securing their future and driving business efficiency.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Nutech Security LTDnutech.co.nzHQ: Tauranga, New ZealandReported employees: 51-200 | Tauranga, New Zealand | 51-200 | Exact match | 16 contacts → |
“Nutech is a Security Company committed to providing safe and effective security solutions for your home, business and community.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ICE Security Limitedicesecurity.co.nzHQ: New ZealandReported employees: 1-10 | New Zealand | 1-10 | Exact match | 15 contacts → |
“ICE Security have the relevant experience and proven track records to provide a long term, robust and cost effective solution for provision of Security Services to our customers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Optimatech Limitedoptimatech.co.nzHQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 14 contacts → |
“OptimaTech is passionately committed to transforming businesses across New Zealand, Hong Kong and Asia Pacific by leveraging security-driven technology as the foundation for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Nextronextro.nzHQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 13 contacts → |
“Nextro is a cyber, physical, & electronic security systems provider, as well as an ISP/MSSP.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Kiwiictkiwiict.comHQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 13 contacts → |
“We are a group of certified IT experts, highly specialised in world-class Network Cybersecurity solutions to improve your overall business performance by solving complex…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Privsec Consultingprivsec.nzHQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 12 contacts → |
“We're here to keep your data secure.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Layer 9 Information Securitylayer9.co.nzHQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 12 contacts → |
“Layer 9 was founded by a team of specialists committed to delivering strategic value and passionate about organisational security.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  RED Wolf High Level Security LTDredwolf.net.nzHQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 11 contacts → |
“Red Wolf High Level Security Ltd is a high level security integrator company based out of Wellington and Auckland, New Zealand.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cybercure LTDcybercure.co.nzHQ: Wellington, New ZealandReported employees: 1-10 | Wellington, New Zealand | 1-10 | Exact match | 11 contacts → |
“CyberCure is a boutique cyber security and privacy consultancy based in Wellington, NZ.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Opsec Solutions LTD NZopsec.co.nzHQ: Wellington, New ZealandReported employees: 1-10 | Wellington, New Zealand | 1-10 | Exact match | 8 contacts → |
“OPSEC provides a wide range of security services and innovative training programmes to help you enjoy 'Peace of Mind'.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Softlink Services LTDsoftlink.co.nzHQ: Auckland, New ZealandReported employees: 1-10 | Auckland, New Zealand | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Fenrir Securityfenrir.nzHQ: Christchurch, New ZealandReported employees: 1-10 | Christchurch, New Zealand | 1-10 | Exact match | 7 contacts → |
“Fenrir Security was founded with a rebellious spirt and an audacious goal: to provide technical excellence across cyber security services at an equitable price point while…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Stack Digital NZstackdigital.co.nzHQ: Auckland Central, New ZealandReported employees: 11-50 | Auckland Central, New Zealand | 11-50 | Exact match | 7 contacts → |
“Safe doesn’t mean boring.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Diode Securitydiode.nzHQ: Melling, New ZealandReported employees: 1-10 | Melling, New Zealand | 1-10 | Exact match | 6 contacts → |
“Diode is an NZ based security company built on passion for technology and drive to secure customers environments.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Plural Cyberplural.co.nzHQ: Auckland, New ZealandReported employees: 1-10 | Auckland, New Zealand | 1-10 | Exact match | 6 contacts → |
“A team of cyber security experts, helping businesses build cyber resilience and manage their cyber security risk.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Outfox Limitedoutfox.co.nzHQ: Paraparaumu, New ZealandReported employees: 1-10 | Paraparaumu, New Zealand | 1-10 | Exact match | 5 contacts → |
“Outfox has a single mission to make businesses more cyber resilient - fully prepared to detect, respond and most importantly recover from cyber-attacks.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 99 company matches
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Critical infrastructure defense: dataset insights
September 16, 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
99 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 New Zealand, so it is reported there. Company counts and contact totals on this page are exact for New Zealand, over 99 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: September 16, 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 critical infrastructure defense?
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 critical infrastructure defense did RevenueBase find based in New Zealand?
The saved snapshot records 99 matching company records, 1,121 tracked contacts and 609 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: September 16, 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
Critical infrastructure defense by geography
- Critical infrastructure defense based in Adelaide, Australia
- Critical infrastructure defense based in Brisbane, Australia
- Critical infrastructure defense based in Canberra, Australia
- Critical infrastructure defense based in Melbourne, Australia
- Critical infrastructure defense based in Perth, Australia
- Critical infrastructure defense based in Sydney, Australia
- Critical infrastructure defense based in Belo Horizonte, Brazil
- Critical infrastructure defense based in Brasilia, Brazil
- Critical infrastructure defense based in Curitiba, Brazil
- Critical infrastructure defense based in Porto Alegre, Brazil
- Critical infrastructure defense based in Rio De Janeiro, Brazil
- Critical infrastructure defense based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure defense based in New Zealand. Snapshot: September 16, 2026. https://revenuebase.ai/companies/critical-infrastructure-defense/new-zealand.
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
- Critical infrastructure defense based in Adelaide, Australia
- Critical infrastructure defense based in Brisbane, Australia
- Critical infrastructure defense based in Canberra, Australia
- Critical infrastructure defense based in Melbourne, Australia
- Critical infrastructure defense based in Perth, Australia
- Critical infrastructure defense based in Sydney, Australia
Company intelligence · public preview
Top 25 critical infrastructure defense based in New Zealand
RevenueBase records 99 matching company records for critical infrastructure defense based in New Zealand, with 1,121 tracked contacts and 609 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: September 16, 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 critical infrastructure defense based in New Zealand
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 | Gallagher Securitysecurity.gallagher.com HQ: Hamilton, New ZealandReported employees: 501-1,000 | Hamilton, New Zealand | 501-1,000 | Exact match | 336 contacts → |
“Gallagher Security is a global leader in integrated technology solutions that help organizations around the world protect, secure, and manage people and assets.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Defenddefend.co.nz HQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 119 contacts → |
“DEFEND are an independent agnostic cyber security partner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bastion Security Groupbastionsecurity.co.nz HQ: Wellington, New ZealandReported employees: 51-200 | Wellington, New Zealand | 51-200 | Exact match | 94 contacts → |
“Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Simply Security NEW Zealandsimplysecurity.co.nz HQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 53 contacts → |
“Making security simple through our friendly, highly trained professional staff, Simply Security New Zealand delivers a reliable, integral, and professional portfolio of services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ADT Security NEW Zealandadtsecurity.co.nz HQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 37 contacts → |
“ADT Security has made it our business to help safeguard people, property and possessions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Evotek Technologiesevotek.co.nz HQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 36 contacts → |
“Evotek has established a reputation as one of New Zealand's leading authorities in electronic security design, and installation and support, utilising high quality equipment from…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Secom NEW Zealandsecom.co.nz HQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 35 contacts → |
“Established in 1962, SECOM is recognized as Japan’s N01 security services provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Silicon Systems Limitedsilicon.co.nz HQ: Upper Hutt, New ZealandReported employees: 11-50 | Upper Hutt, New Zealand | 11-50 | Exact match | 18 contacts → |
“With a remarkable track record spanning over 32 years, Silicon has continuously evolved into a trusted technology partner for organisations across various sectors, including…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Nectarnectargroup.co.nz HQ: Christchurch, New ZealandReported employees: 11-50 | Christchurch, New Zealand | 11-50 | Exact match | 16 contacts → |
“At Nectar, we partner with forward-thinking businesses to harness the power of technology in securing their future and driving business efficiency.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Nutech Security LTDnutech.co.nz HQ: Tauranga, New ZealandReported employees: 51-200 | Tauranga, New Zealand | 51-200 | Exact match | 16 contacts → |
“Nutech is a Security Company committed to providing safe and effective security solutions for your home, business and community.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ICE Security Limitedicesecurity.co.nz HQ: New ZealandReported employees: 1-10 | New Zealand | 1-10 | Exact match | 15 contacts → |
“ICE Security have the relevant experience and proven track records to provide a long term, robust and cost effective solution for provision of Security Services to our customers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Optimatech Limitedoptimatech.co.nz HQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 14 contacts → |
“OptimaTech is passionately committed to transforming businesses across New Zealand, Hong Kong and Asia Pacific by leveraging security-driven technology as the foundation for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Nextronextro.nz HQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 13 contacts → |
“Nextro is a cyber, physical, & electronic security systems provider, as well as an ISP/MSSP.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Kiwiictkiwiict.com HQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 13 contacts → |
“We are a group of certified IT experts, highly specialised in world-class Network Cybersecurity solutions to improve your overall business performance by solving complex…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Privsec Consultingprivsec.nz HQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 12 contacts → |
“We're here to keep your data secure.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Layer 9 Information Securitylayer9.co.nz HQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 12 contacts → |
“Layer 9 was founded by a team of specialists committed to delivering strategic value and passionate about organisational security.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | RED Wolf High Level Security LTDredwolf.net.nz HQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 11 contacts → |
“Red Wolf High Level Security Ltd is a high level security integrator company based out of Wellington and Auckland, New Zealand.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cybercure LTDcybercure.co.nz HQ: Wellington, New ZealandReported employees: 1-10 | Wellington, New Zealand | 1-10 | Exact match | 11 contacts → |
“CyberCure is a boutique cyber security and privacy consultancy based in Wellington, NZ.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Opsec Solutions LTD NZopsec.co.nz HQ: Wellington, New ZealandReported employees: 1-10 | Wellington, New Zealand | 1-10 | Exact match | 8 contacts → |
“OPSEC provides a wide range of security services and innovative training programmes to help you enjoy 'Peace of Mind'.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Softlink Services LTDsoftlink.co.nz HQ: Auckland, New ZealandReported employees: 1-10 | Auckland, New Zealand | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Fenrir Securityfenrir.nz HQ: Christchurch, New ZealandReported employees: 1-10 | Christchurch, New Zealand | 1-10 | Exact match | 7 contacts → |
“Fenrir Security was founded with a rebellious spirt and an audacious goal: to provide technical excellence across cyber security services at an equitable price point while…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Stack Digital NZstackdigital.co.nz HQ: Auckland Central, New ZealandReported employees: 11-50 | Auckland Central, New Zealand | 11-50 | Exact match | 7 contacts → |
“Safe doesn’t mean boring.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Diode Securitydiode.nz HQ: Melling, New ZealandReported employees: 1-10 | Melling, New Zealand | 1-10 | Exact match | 6 contacts → |
“Diode is an NZ based security company built on passion for technology and drive to secure customers environments.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Plural Cyberplural.co.nz HQ: Auckland, New ZealandReported employees: 1-10 | Auckland, New Zealand | 1-10 | Exact match | 6 contacts → |
“A team of cyber security experts, helping businesses build cyber resilience and manage their cyber security risk.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Outfox Limitedoutfox.co.nz HQ: Paraparaumu, New ZealandReported employees: 1-10 | Paraparaumu, New Zealand | 1-10 | Exact match | 5 contacts → |
“Outfox has a single mission to make businesses more cyber resilient - fully prepared to detect, respond and most importantly recover from cyber-attacks.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Critical infrastructure defense: dataset insights
September 16, 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
99 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 New Zealand, so it is reported there. Company counts and contact totals on this page are exact for New Zealand, over 99 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: September 16, 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 critical infrastructure defense?
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 critical infrastructure defense did RevenueBase find based in New Zealand?
The saved snapshot records 99 matching company records, 1,121 tracked contacts and 609 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: September 16, 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
Critical infrastructure defense by geography
- Critical infrastructure defense based in Adelaide, Australia
- Critical infrastructure defense based in Brisbane, Australia
- Critical infrastructure defense based in Canberra, Australia
- Critical infrastructure defense based in Melbourne, Australia
- Critical infrastructure defense based in Perth, Australia
- Critical infrastructure defense based in Sydney, Australia
- Critical infrastructure defense based in Belo Horizonte, Brazil
- Critical infrastructure defense based in Brasilia, Brazil
- Critical infrastructure defense based in Curitiba, Brazil
- Critical infrastructure defense based in Porto Alegre, Brazil
- Critical infrastructure defense based in Rio De Janeiro, Brazil
- Critical infrastructure defense based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure defense based in New Zealand. Snapshot: September 16, 2026. https://revenuebase.ai/companies/critical-infrastructure-defense/new-zealand.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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