Company lists · Data refreshed September 2026
Top 23 Critical infrastructure defense based in Nigeria
RevenueBase identified 183 company matches for critical infrastructure defense associated with Nigeria as of September 2026 and tracks 2,574 professional contacts across them, including 182 with verified work emails. Lagos is the largest hub.
This list covers company matches for critical infrastructure defense associated with Nigeria, 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 23 largest critical infrastructure defense based in Nigeria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 642 contacts → | ||||
Exact match “Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 92 contacts → | ||||
Exact match “Pavilion Technology Limited is a security company with over 30 years of experience providing security services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 64 contacts → | ||||
Exact match “Digital Encode is a leading consulting and integration firm founded in 2003 that specializes in the design, management, and security of business-critical networks…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 62 contacts → | ||||
Exact match “Risk Control Services is a leading Nigerian company providing multinational and local companies with customized security solutions and consulting services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 56 contacts → | ||||
Exact match “Cardinal Security Services Limited is passionate about providing efficient and affordable security solutions that exceed customers’ expectations.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 18 contacts → | ||||
Exact match “We keep your organization safe by providing you with the best Cybersecurity solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 17 contacts → | ||||
Exact match “Sulfman Consulting is a cybersecurity and threat intelligence firm helping organizations understand, prioritize, and act on external cyber risk.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “Professional Security Service Provider.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “Arete is a private risk management company providing turnkey risk management solutions to clients operating in complex and challenging environments.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 12 contacts → | ||||
Exact match “We provide a wide range of solutions and products in the field of security technologies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 11 contacts → | ||||
Exact match “Artezia is a one-stop security solutions provider, dedicated to the provision of comprehensive and quality security products to our clients.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “SFPS is an enterprise security and risk management consultancy company established in 2014.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “Bits Consulting is an IT Security solution provider focused on enabling your business meet strategic objectives in the most secure manner.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “WELCOME TO AFRISEC The global security challenge in recent times has become more sophisticated and complex, despite unrelenting efforts of various governments on proffering a…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “Totalsecure is dedicated to developing cutting-edge physical security and defense solutions that enable organizations and individuals to protect what matters most.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “A value-added international security solutions provider, WiniGroup delivers IT security, risk management, business process optimization, physical security and training services…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “IT Stack Limited is a leading specialist in the world of Information Technology and Cyber Security.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Tecom is a global system integrator and managed security service provider.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “AlphaFort Operations Protecting People.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “Gosu Technology helps organizations meet their security objectives by protecting their data.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “Sludasoft is a cybersecurity and software company focused on securing business systems and building smart, reliable digital solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “B-Tech Digital & AI Ltd is one of the leading cybersecurity providers to both the public and private sectors in Nigeria.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “VergeDefence is a Pan-African cybersecurity firm dedicated to delivering cutting-edge, enterprise-grade offensive and defensive security solutions.” 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 23 of 183 critical infrastructure defense based in Nigeria
See the full list, filter by size, metro and specialty, and access 182 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure defense based in Nigeria at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Nigeria, so it is reported there. Company counts and contact totals on this page are exact for Nigeria, over 183 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 Nigeria 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 182 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 Nigeria?
RevenueBase identified 183 company matches for critical infrastructure defense associated with Nigeria 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?
Halogen Group 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?
Lagos leads with 54 company records, followed by Abuja (23) and Lagos State (13).
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 182 professional contacts with verified work emails tracked across these 183 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 183 critical infrastructure defense based in Nigeria. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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Company intelligence · public preview
Top 23 critical infrastructure defense based in Nigeria
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 183 matching company records for critical infrastructure defense based in Nigeria, with 2,574 tracked contacts and 182 verified work emails.
This public preview shows 23 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 23 critical infrastructure defense based in Nigeria
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 |  Halogen Grouphalogen-group.comHQ: Lagos, NigeriaReported employees: 501-1,000 | Lagos, Nigeria | 501-1,000 | Exact match | 642 contacts → |
“Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Pavilion Technology Limitedpaviliontechnology.comHQ: Victoria Island, NigeriaReported employees: 51-200 | Victoria Island, Nigeria | 51-200 | Exact match | 92 contacts → |
“Pavilion Technology Limited is a security company with over 30 years of experience providing security services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Digital Encode Limiteddigitalencode.netHQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 64 contacts → |
“Digital Encode is a leading consulting and integration firm founded in 2003 that specializes in the design, management, and security of business-critical networks…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Risk Control Services Nigeria Limitedriskcontrolnigeria.comHQ: Lekki - Epe Expressway, NigeriaReported employees: 51-200 | Lekki - Epe Expressway, Nigeria | 51-200 | Exact match | 62 contacts → |
“Risk Control Services is a leading Nigerian company providing multinational and local companies with customized security solutions and consulting services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cardinal Security Services LTDcardinal-ng.comHQ: Lekki-ajah, NigeriaReported employees: 1,001-5,000 | Lekki-ajah, Nigeria | 1,001-5,000 | Exact match | 56 contacts → |
“Cardinal Security Services Limited is passionate about providing efficient and affordable security solutions that exceed customers’ expectations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Enov8 Solutionsenov8solutions.techHQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 18 contacts → |
“We keep your organization safe by providing you with the best Cybersecurity solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Sulfman Consulting LTDsulfman.comHQ: Abuja, NigeriaReported employees: 11-50 | Abuja, Nigeria | 11-50 | Exact match | 17 contacts → |
“Sulfman Consulting is a cybersecurity and threat intelligence firm helping organizations understand, prioritize, and act on external cyber risk.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Fort Knox Guardsfortknoxguards.comHQ: Abuja, NigeriaReported employees: 1,001-5,000 | Abuja, Nigeria | 1,001-5,000 | Exact match | 17 contacts → |
“Professional Security Service Provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Arete Group Globalarete-group.comHQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 16 contacts → |
“Arete is a private risk management company providing turnkey risk management solutions to clients operating in complex and challenging environments.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Polar Afpro LTDpolarafpro.comHQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 12 contacts → |
“We provide a wide range of solutions and products in the field of security technologies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Artezia Security Systems LTDarteziasecurity.comHQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 11 contacts → |
“Artezia is a one-stop security solutions provider, dedicated to the provision of comprehensive and quality security products to our clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  SF Protective Servicessf-protectiveservices.comHQ: Victoria Island, NigeriaReported employees: 11-50 | Victoria Island, Nigeria | 11-50 | Exact match | 10 contacts → |
“SFPS is an enterprise security and risk management consultancy company established in 2014.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  AAA Bits Consultingaaabitsconsulting.comHQ: Lagos Island, NigeriaReported employees: 11-50 | Lagos Island, Nigeria | 11-50 | Exact match | 10 contacts → |
“Bits Consulting is an IT Security solution provider focused on enabling your business meet strategic objectives in the most secure manner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Afrisec Distribution& Consulting LTDafrisec.comHQ: Abuja, NigeriaReported employees: 11-50 | Abuja, Nigeria | 11-50 | Exact match | 8 contacts → |
“WELCOME TO AFRISEC The global security challenge in recent times has become more sophisticated and complex, despite unrelenting efforts of various governments on proffering a…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Total Secure Nigeria Limitedtotalsecureng.comHQ: Abuja, NigeriaReported employees: 11-50 | Abuja, Nigeria | 11-50 | Exact match | 7 contacts → |
“Totalsecure is dedicated to developing cutting-edge physical security and defense solutions that enable organizations and individuals to protect what matters most.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Winigroup INCwinigroup.comHQ: Ikeja, NigeriaReported employees: 1-10 | Ikeja, Nigeria | 1-10 | Exact match | 7 contacts → |
“A value-added international security solutions provider, WiniGroup delivers IT security, risk management, business process optimization, physical security and training services…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Itstack Limiteditstack.com.ngHQ: Ikoyi, NigeriaReported employees: 11-50 | Ikoyi, Nigeria | 11-50 | Exact match | 6 contacts → |
“IT Stack Limited is a leading specialist in the world of Information Technology and Cyber Security.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Tecom IT Servicestecom.com.ngHQ: Lekki Phase 1, NigeriaReported employees: 51-200 | Lekki Phase 1, Nigeria | 51-200 | Exact match | 5 contacts → |
“Tecom is a global system integrator and managed security service provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Alphafort Operations Limitedalphafort.ngHQ: Abuja Federal Capital Territory, NigeriaReported employees: 11-50 | Abuja Federal Capital Territory, Nigeria | 11-50 | Exact match | 5 contacts → |
“AlphaFort Operations Protecting People.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Gosu Technology LTDgosutechnology.comHQ: Lagos Mainland, NigeriaReported employees: 1-10 | Lagos Mainland, Nigeria | 1-10 | Exact match | 3 contacts → |
“Gosu Technology helps organizations meet their security objectives by protecting their data.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Sludasoft LTDsludasoft.comHQ: Lagos, NigeriaReported employees: 1-10 | Lagos, Nigeria | 1-10 | Exact match | 2 contacts → |
“Sludasoft is a cybersecurity and software company focused on securing business systems and building smart, reliable digital solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  B-Tech Digital & AI LTDbtechdigital.comHQ: Lekki, NigeriaReported employees: 201-500 | Lekki, Nigeria | 201-500 | Exact match | 2 contacts → |
“B-Tech Digital & AI Ltd is one of the leading cybersecurity providers to both the public and private sectors in Nigeria.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Vergedefencevergedefence.comHQ: Victoria Island, NigeriaReported employees: 1-10 | Victoria Island, Nigeria | 1-10 | Exact match | 1 contacts → |
“VergeDefence is a Pan-African cybersecurity firm dedicated to delivering cutting-edge, enterprise-grade offensive and defensive security solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 183 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
182 records in the displayed employee bands.
1 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 Nigeria, so it is reported there. Company counts and contact totals on this page are exact for Nigeria, over 183 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 Nigeria?
The saved snapshot records 183 matching company records, 2,574 tracked contacts and 182 verified emails. The public preview displays 23 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 23 critical infrastructure defense based in Nigeria. Snapshot: September 16, 2026. https://revenuebase.ai/companies/critical-infrastructure-defense/nigeria.
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
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- New lists
- Critical infrastructure defense based in Adelaide, Australia
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Company intelligence · public preview
Top 23 critical infrastructure defense based in Nigeria
RevenueBase records 183 matching company records for critical infrastructure defense based in Nigeria, with 2,574 tracked contacts and 182 verified work emails.
This public preview shows 23 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 23 critical infrastructure defense based in Nigeria
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 | Halogen Grouphalogen-group.com HQ: Lagos, NigeriaReported employees: 501-1,000 | Lagos, Nigeria | 501-1,000 | Exact match | 642 contacts → |
“Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Pavilion Technology Limitedpaviliontechnology.com HQ: Victoria Island, NigeriaReported employees: 51-200 | Victoria Island, Nigeria | 51-200 | Exact match | 92 contacts → |
“Pavilion Technology Limited is a security company with over 30 years of experience providing security services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Digital Encode Limiteddigitalencode.net HQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 64 contacts → |
“Digital Encode is a leading consulting and integration firm founded in 2003 that specializes in the design, management, and security of business-critical networks…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Risk Control Services Nigeria Limitedriskcontrolnigeria.com HQ: Lekki - Epe Expressway, NigeriaReported employees: 51-200 | Lekki - Epe Expressway, Nigeria | 51-200 | Exact match | 62 contacts → |
“Risk Control Services is a leading Nigerian company providing multinational and local companies with customized security solutions and consulting services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cardinal Security Services LTDcardinal-ng.com HQ: Lekki-ajah, NigeriaReported employees: 1,001-5,000 | Lekki-ajah, Nigeria | 1,001-5,000 | Exact match | 56 contacts → |
“Cardinal Security Services Limited is passionate about providing efficient and affordable security solutions that exceed customers’ expectations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Enov8 Solutionsenov8solutions.tech HQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 18 contacts → |
“We keep your organization safe by providing you with the best Cybersecurity solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Sulfman Consulting LTDsulfman.com HQ: Abuja, NigeriaReported employees: 11-50 | Abuja, Nigeria | 11-50 | Exact match | 17 contacts → |
“Sulfman Consulting is a cybersecurity and threat intelligence firm helping organizations understand, prioritize, and act on external cyber risk.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Fort Knox Guardsfortknoxguards.com HQ: Abuja, NigeriaReported employees: 1,001-5,000 | Abuja, Nigeria | 1,001-5,000 | Exact match | 17 contacts → |
“Professional Security Service Provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Arete Group Globalarete-group.com HQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 16 contacts → |
“Arete is a private risk management company providing turnkey risk management solutions to clients operating in complex and challenging environments.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Polar Afpro LTDpolarafpro.com HQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 12 contacts → |
“We provide a wide range of solutions and products in the field of security technologies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Artezia Security Systems LTDarteziasecurity.com HQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 11 contacts → |
“Artezia is a one-stop security solutions provider, dedicated to the provision of comprehensive and quality security products to our clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SF Protective Servicessf-protectiveservices.com HQ: Victoria Island, NigeriaReported employees: 11-50 | Victoria Island, Nigeria | 11-50 | Exact match | 10 contacts → |
“SFPS is an enterprise security and risk management consultancy company established in 2014.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | AAA Bits Consultingaaabitsconsulting.com HQ: Lagos Island, NigeriaReported employees: 11-50 | Lagos Island, Nigeria | 11-50 | Exact match | 10 contacts → |
“Bits Consulting is an IT Security solution provider focused on enabling your business meet strategic objectives in the most secure manner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Afrisec Distribution& Consulting LTDafrisec.com HQ: Abuja, NigeriaReported employees: 11-50 | Abuja, Nigeria | 11-50 | Exact match | 8 contacts → |
“WELCOME TO AFRISEC The global security challenge in recent times has become more sophisticated and complex, despite unrelenting efforts of various governments on proffering a…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Total Secure Nigeria Limitedtotalsecureng.com HQ: Abuja, NigeriaReported employees: 11-50 | Abuja, Nigeria | 11-50 | Exact match | 7 contacts → |
“Totalsecure is dedicated to developing cutting-edge physical security and defense solutions that enable organizations and individuals to protect what matters most.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Winigroup INCwinigroup.com HQ: Ikeja, NigeriaReported employees: 1-10 | Ikeja, Nigeria | 1-10 | Exact match | 7 contacts → |
“A value-added international security solutions provider, WiniGroup delivers IT security, risk management, business process optimization, physical security and training services…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Itstack Limiteditstack.com.ng HQ: Ikoyi, NigeriaReported employees: 11-50 | Ikoyi, Nigeria | 11-50 | Exact match | 6 contacts → |
“IT Stack Limited is a leading specialist in the world of Information Technology and Cyber Security.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tecom IT Servicestecom.com.ng HQ: Lekki Phase 1, NigeriaReported employees: 51-200 | Lekki Phase 1, Nigeria | 51-200 | Exact match | 5 contacts → |
“Tecom is a global system integrator and managed security service provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Alphafort Operations Limitedalphafort.ng HQ: Abuja Federal Capital Territory, NigeriaReported employees: 11-50 | Abuja Federal Capital Territory, Nigeria | 11-50 | Exact match | 5 contacts → |
“AlphaFort Operations Protecting People.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Gosu Technology LTDgosutechnology.com HQ: Lagos Mainland, NigeriaReported employees: 1-10 | Lagos Mainland, Nigeria | 1-10 | Exact match | 3 contacts → |
“Gosu Technology helps organizations meet their security objectives by protecting their data.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sludasoft LTDsludasoft.com HQ: Lagos, NigeriaReported employees: 1-10 | Lagos, Nigeria | 1-10 | Exact match | 2 contacts → |
“Sludasoft is a cybersecurity and software company focused on securing business systems and building smart, reliable digital solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | B-Tech Digital & AI LTDbtechdigital.com HQ: Lekki, NigeriaReported employees: 201-500 | Lekki, Nigeria | 201-500 | Exact match | 2 contacts → |
“B-Tech Digital & AI Ltd is one of the leading cybersecurity providers to both the public and private sectors in Nigeria.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Vergedefencevergedefence.com HQ: Victoria Island, NigeriaReported employees: 1-10 | Victoria Island, Nigeria | 1-10 | Exact match | 1 contacts → |
“VergeDefence is a Pan-African cybersecurity firm dedicated to delivering cutting-edge, enterprise-grade offensive and defensive security solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 183 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
182 records in the displayed employee bands.
1 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 Nigeria, so it is reported there. Company counts and contact totals on this page are exact for Nigeria, over 183 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 Nigeria?
The saved snapshot records 183 matching company records, 2,574 tracked contacts and 182 verified emails. The public preview displays 23 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.
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Cite this list
RevenueBase Data Team. Top 23 critical infrastructure defense based in Nigeria. Snapshot: September 16, 2026. https://revenuebase.ai/companies/critical-infrastructure-defense/nigeria.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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