Company lists · Data refreshed September 2026
Top 25 Critical infrastructure defense based in South Africa
RevenueBase identified 424 company matches for critical infrastructure defense associated with South Africa as of September 2026 and tracks 11,114 professional contacts across them, including 1,281 with verified work emails. Johannesburg is the largest hub.
This list covers company matches for critical infrastructure defense associated with South Africa, 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 South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,349 contacts → | ||||
Exact match “Bidvest Protea Coin is a leading provider of integrated, intelligence driven risk management services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 1,340 contacts → | ||||
Exact match “At Imvula Quality Protection, we don’t just provide security, we create peace of mind.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 898 contacts → | ||||
Exact match “Thorburn Security Solutions is a national security service provider, offering customers truly integrated security solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 432 contacts → | ||||
Exact match “Enforce Security is one of South Africa’s most trusted specialist in the provision of integrated risk management solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 228 contacts → | ||||
Exact match “CYBER1 Solutions is a Cyber Security specialist operating in Southern Africa, East & West Africa, Dubai and EMEA.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 225 contacts → | ||||
Exact match “Xone Security is a leading provider of risk, safety and security solutions to medium and large enterprises.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 134 contacts → | ||||
Exact match “Securitas is the world’s leading intelligent protective services partner.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 124 contacts → | ||||
Exact match “Online Intelligence strives to become the global leader and industry norm in Enterprise Risk Solutions, ultimately contributing towards safer communities and assurance.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 124 contacts → | ||||
Exact match “CSG Security is a fully registered and licensed Security Solutions Provider that’s been in operation since the year CSG Security is well positioned to provide companies with risk…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 112 contacts → | ||||
Exact match “We live in an increasingly volatile, uncertain and chaotic world characterised by ambiguity and constant change.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 103 contacts → | ||||
Exact match “Investigation, Guarding, vehicle escorts, VIP Protection, Forensic Audits” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 99 contacts → | ||||
Exact match “Secutel develop physical security technology focus on reducing risk for enterprises.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 78 contacts → | ||||
Exact match “Afri Guard has the experience of tailoring integrated security solutions to the specific needs of our diverse customer base.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 75 contacts → | ||||
Exact match “Established in 1997, EC Security is a trusted provider of high-quality, personalised security solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 65 contacts → | ||||
Exact match “Ithuba Protection Services is a leading provider of security solutions dedicated to safeguarding businesses and communities.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 63 contacts → | ||||
Exact match “CORTAC is a high-end risk management and integrated security solutions provider.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 62 contacts → | ||||
Exact match “AVeS Cyber Security forms part of the AVeS Cyber International group of companies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 62 contacts → | ||||
Exact match “Vusela Risk Services specializes in the provision of intelligence-driven risk management services to multinational companies, Government, Parastatals, financial institutions and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 52 contacts → | ||||
Exact match “At ESET Southern Africa, we specialise in advanced cybersecurity solutions designed to safeguard businesses and individuals against ever-evolving threats.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 48 contacts → | ||||
Exact match “Industry leader in contract guarding and related services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 47 contacts → | ||||
Exact match “Dataproof Communications is a Cybersecurity Company incorporated in 2014 specialising in cybersecurity operations, incident management and response best practices and technologies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 45 contacts → | ||||
Exact match “iGuardSA is a 24x7 Managed Security Services Provider focused on protecting organisations where disruption is not an option.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 40 contacts → | ||||
Exact match “Business Management Solutions, CCTV Security, Access control, Cyber security and Forensic Auditing, Electrical Audio Visual, Marketing and Commercial TV Solutions Business…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 39 contacts → | ||||
Exact match “Established in 1994.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 34 contacts → | ||||
Exact match “SDS Protection (PTY) Ltd specializes in guarding, armed response, installation, and maintenance of high-quality security systems in South Africa.” 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 424 critical infrastructure defense based in South Africa
See the full list, filter by size, metro and specialty, and access 1,281 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Critical infrastructure defense based in South Africa at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 424 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 South Africa 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 1,281 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.
Critical infrastructure defense by metro
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 South Africa?
RevenueBase identified 424 company matches for critical infrastructure defense associated with South Africa 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?
Bidvest Protea Coin 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?
Johannesburg leads with 91 company records, followed by Cape Town (45) and Pretoria (27).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,281 professional contacts with verified work emails tracked across these 424 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 424 critical infrastructure defense based in South Africa. 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
- 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 South Africa
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 424 matching company records for critical infrastructure defense based in South Africa, with 11,114 tracked contacts and 1,281 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 South Africa
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 |  Bidvest Protea Coinproteacoin.co.zaHQ: City Of Tshwane, South AfricaReported employees: 10001+ | City Of Tshwane, South Africa | 10001+ | Exact match | 3,349 contacts → |
“Bidvest Protea Coin is a leading provider of integrated, intelligence driven risk management services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Imvula Quality Protectionimvula.netHQ: Woodmead, South AfricaReported employees: 10001+ | Woodmead, South Africa | 10001+ | Exact match | 1,340 contacts → |
“At Imvula Quality Protection, we don’t just provide security, we create peace of mind.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Thorburn Security Solutions PTY LTDthorburn.co.zaHQ: Rosebank, South AfricaReported employees: 5,001-10,000 | Rosebank, South Africa | 5,001-10,000 | Exact match | 898 contacts → |
“Thorburn Security Solutions is a national security service provider, offering customers truly integrated security solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Enforce Security Services PTY LTDenforce.co.zaHQ: Durban, South AfricaReported employees: 5,001-10,000 | Durban, South Africa | 5,001-10,000 | Exact match | 432 contacts → |
“Enforce Security is one of South Africa’s most trusted specialist in the provision of integrated risk management solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cyber1 Solutionsc1-s.comHQ: Sandton, South AfricaReported employees: 51-200 | Sandton, South Africa | 51-200 | Exact match | 228 contacts → |
“CYBER1 Solutions is a Cyber Security specialist operating in Southern Africa, East & West Africa, Dubai and EMEA.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Xone Securityxone.co.zaHQ: Cape Town, South AfricaReported employees: 501-1,000 | Cape Town, South Africa | 501-1,000 | Exact match | 225 contacts → |
“Xone Security is a leading provider of risk, safety and security solutions to medium and large enterprises.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Securitas South Africasecuritas-rsa.co.zaHQ: Sandton, South AfricaReported employees: 10001+ | Sandton, South Africa | 10001+ | Exact match | 134 contacts → |
“Securitas is the world’s leading intelligent protective services partner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Online Intelligence PTY LTDonlineintelligence.co.zaHQ: Pretoria, South AfricaReported employees: 51-200 | Pretoria, South Africa | 51-200 | Exact match | 124 contacts → |
“Online Intelligence strives to become the global leader and industry norm in Enterprise Risk Solutions, ultimately contributing towards safer communities and assurance.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  CSG Security PTY LTDcsggroup.co.zaHQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 124 contacts → |
“CSG Security is a fully registered and licensed Security Solutions Provider that’s been in operation since the year CSG Security is well positioned to provide companies with risk…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  IDSidsprotect.co.zaHQ: New Germany, South AfricaReported employees: 51-200 | New Germany, South Africa | 51-200 | Exact match | 112 contacts → |
“We live in an increasingly volatile, uncertain and chaotic world characterised by ambiguity and constant change.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Revert Risk Management Solutions PTY Limitedrevert.co.zaHQ: Rooihuiskraal, South AfricaReported employees: 1,001-5,000 | Rooihuiskraal, South Africa | 1,001-5,000 | Exact match | 103 contacts → |
“Investigation, Guarding, vehicle escorts, VIP Protection, Forensic Audits” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Secutel Technologies PTY LTDsecutel.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 99 contacts → |
“Secutel develop physical security technology focus on reducing risk for enterprises.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Afri Guardafri-guard.co.zaHQ: Midvaal, South AfricaReported employees: 1,001-5,000 | Midvaal, South Africa | 1,001-5,000 | Exact match | 78 contacts → |
“Afri Guard has the experience of tailoring integrated security solutions to the specific needs of our diverse customer base.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  EC Securityecsecurity.co.zaHQ: Johannesburg, South AfricaReported employees: 501-1,000 | Johannesburg, South Africa | 501-1,000 | Exact match | 75 contacts → |
“Established in 1997, EC Security is a trusted provider of high-quality, personalised security solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ithuba Protection Servicesithubaprotection.co.zaHQ: Noordwyk, South AfricaReported employees: 201-500 | Noordwyk, South Africa | 201-500 | Exact match | 65 contacts → |
“Ithuba Protection Services is a leading provider of security solutions dedicated to safeguarding businesses and communities.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cortac Securitycortac.co.zaHQ: Johannesburg, South AfricaReported employees: 501-1,000 | Johannesburg, South Africa | 501-1,000 | Exact match | 63 contacts → |
“CORTAC is a high-end risk management and integrated security solutions provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Aves Cyber Securityaves.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 62 contacts → |
“AVeS Cyber Security forms part of the AVeS Cyber International group of companies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Vusela Risk Services PTY LTDvusela.comHQ: Centurion, South AfricaReported employees: 501-1,000 | Centurion, South Africa | 501-1,000 | Exact match | 62 contacts → |
“Vusela Risk Services specializes in the provision of intelligence-driven risk management services to multinational companies, Government, Parastatals, financial institutions and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Eset Southern Africaeset.comHQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 52 contacts → |
“At ESET Southern Africa, we specialise in advanced cybersecurity solutions designed to safeguard businesses and individuals against ever-evolving threats.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Mantis Security PTY LTDmantissecurity.co.zaHQ: Johannesburg, South AfricaReported employees: 201-500 | Johannesburg, South Africa | 201-500 | Exact match | 48 contacts → |
“Industry leader in contract guarding and related services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Dataproof Communicationsdataproof.co.zaHQ: Sandton, South AfricaReported employees: Not recorded | Sandton, South Africa | Not recorded | Exact match | 47 contacts → |
“Dataproof Communications is a Cybersecurity Company incorporated in 2014 specialising in cybersecurity operations, incident management and response best practices and technologies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Iguardsaiguardsa.netHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 45 contacts → |
“iGuardSA is a 24x7 Managed Security Services Provider focused on protecting organisations where disruption is not an option.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ceos Technologies PTY LTDceos.co.zaHQ: Northwold, South AfricaReported employees: 51-200 | Northwold, South Africa | 51-200 | Exact match | 40 contacts → |
“Business Management Solutions, CCTV Security, Access control, Cyber security and Forensic Auditing, Electrical Audio Visual, Marketing and Commercial TV Solutions Business…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Icon Securityiconsecurity.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 39 contacts → |
“Established in 1994.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  SDS Protection PTY LTDsdsprotection.co.zaHQ: Johannesburg, South AfricaReported employees: 501-1,000 | Johannesburg, South Africa | 501-1,000 | Exact match | 34 contacts → |
“SDS Protection (PTY) Ltd specializes in guarding, armed response, installation, and maintenance of high-quality security systems in South Africa.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 424 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
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
424 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 South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 424 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 ↗
Critical infrastructure defense by metro
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 South Africa?
The saved snapshot records 424 matching company records, 11,114 tracked contacts and 1,281 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 South Africa. Snapshot: September 16, 2026. https://revenuebase.ai/companies/critical-infrastructure-defense/south-africa.
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 South Africa
RevenueBase records 424 matching company records for critical infrastructure defense based in South Africa, with 11,114 tracked contacts and 1,281 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 South Africa
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 | Bidvest Protea Coinproteacoin.co.za HQ: City Of Tshwane, South AfricaReported employees: 10001+ | City Of Tshwane, South Africa | 10001+ | Exact match | 3,349 contacts → |
“Bidvest Protea Coin is a leading provider of integrated, intelligence driven risk management services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Imvula Quality Protectionimvula.net HQ: Woodmead, South AfricaReported employees: 10001+ | Woodmead, South Africa | 10001+ | Exact match | 1,340 contacts → |
“At Imvula Quality Protection, we don’t just provide security, we create peace of mind.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Thorburn Security Solutions PTY LTDthorburn.co.za HQ: Rosebank, South AfricaReported employees: 5,001-10,000 | Rosebank, South Africa | 5,001-10,000 | Exact match | 898 contacts → |
“Thorburn Security Solutions is a national security service provider, offering customers truly integrated security solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Enforce Security Services PTY LTDenforce.co.za HQ: Durban, South AfricaReported employees: 5,001-10,000 | Durban, South Africa | 5,001-10,000 | Exact match | 432 contacts → |
“Enforce Security is one of South Africa’s most trusted specialist in the provision of integrated risk management solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cyber1 Solutionsc1-s.com HQ: Sandton, South AfricaReported employees: 51-200 | Sandton, South Africa | 51-200 | Exact match | 228 contacts → |
“CYBER1 Solutions is a Cyber Security specialist operating in Southern Africa, East & West Africa, Dubai and EMEA.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Xone Securityxone.co.za HQ: Cape Town, South AfricaReported employees: 501-1,000 | Cape Town, South Africa | 501-1,000 | Exact match | 225 contacts → |
“Xone Security is a leading provider of risk, safety and security solutions to medium and large enterprises.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Securitas South Africasecuritas-rsa.co.za HQ: Sandton, South AfricaReported employees: 10001+ | Sandton, South Africa | 10001+ | Exact match | 134 contacts → |
“Securitas is the world’s leading intelligent protective services partner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Online Intelligence PTY LTDonlineintelligence.co.za HQ: Pretoria, South AfricaReported employees: 51-200 | Pretoria, South Africa | 51-200 | Exact match | 124 contacts → |
“Online Intelligence strives to become the global leader and industry norm in Enterprise Risk Solutions, ultimately contributing towards safer communities and assurance.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CSG Security PTY LTDcsggroup.co.za HQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 124 contacts → |
“CSG Security is a fully registered and licensed Security Solutions Provider that’s been in operation since the year CSG Security is well positioned to provide companies with risk…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | IDSidsprotect.co.za HQ: New Germany, South AfricaReported employees: 51-200 | New Germany, South Africa | 51-200 | Exact match | 112 contacts → |
“We live in an increasingly volatile, uncertain and chaotic world characterised by ambiguity and constant change.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Revert Risk Management Solutions PTY Limitedrevert.co.za HQ: Rooihuiskraal, South AfricaReported employees: 1,001-5,000 | Rooihuiskraal, South Africa | 1,001-5,000 | Exact match | 103 contacts → |
“Investigation, Guarding, vehicle escorts, VIP Protection, Forensic Audits” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Secutel Technologies PTY LTDsecutel.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 99 contacts → |
“Secutel develop physical security technology focus on reducing risk for enterprises.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Afri Guardafri-guard.co.za HQ: Midvaal, South AfricaReported employees: 1,001-5,000 | Midvaal, South Africa | 1,001-5,000 | Exact match | 78 contacts → |
“Afri Guard has the experience of tailoring integrated security solutions to the specific needs of our diverse customer base.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | EC Securityecsecurity.co.za HQ: Johannesburg, South AfricaReported employees: 501-1,000 | Johannesburg, South Africa | 501-1,000 | Exact match | 75 contacts → |
“Established in 1997, EC Security is a trusted provider of high-quality, personalised security solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ithuba Protection Servicesithubaprotection.co.za HQ: Noordwyk, South AfricaReported employees: 201-500 | Noordwyk, South Africa | 201-500 | Exact match | 65 contacts → |
“Ithuba Protection Services is a leading provider of security solutions dedicated to safeguarding businesses and communities.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cortac Securitycortac.co.za HQ: Johannesburg, South AfricaReported employees: 501-1,000 | Johannesburg, South Africa | 501-1,000 | Exact match | 63 contacts → |
“CORTAC is a high-end risk management and integrated security solutions provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Aves Cyber Securityaves.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 62 contacts → |
“AVeS Cyber Security forms part of the AVeS Cyber International group of companies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vusela Risk Services PTY LTDvusela.com HQ: Centurion, South AfricaReported employees: 501-1,000 | Centurion, South Africa | 501-1,000 | Exact match | 62 contacts → |
“Vusela Risk Services specializes in the provision of intelligence-driven risk management services to multinational companies, Government, Parastatals, financial institutions and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Eset Southern Africaeset.com HQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 52 contacts → |
“At ESET Southern Africa, we specialise in advanced cybersecurity solutions designed to safeguard businesses and individuals against ever-evolving threats.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mantis Security PTY LTDmantissecurity.co.za HQ: Johannesburg, South AfricaReported employees: 201-500 | Johannesburg, South Africa | 201-500 | Exact match | 48 contacts → |
“Industry leader in contract guarding and related services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Dataproof Communicationsdataproof.co.za HQ: Sandton, South AfricaReported employees: Not recorded | Sandton, South Africa | Not recorded | Exact match | 47 contacts → |
“Dataproof Communications is a Cybersecurity Company incorporated in 2014 specialising in cybersecurity operations, incident management and response best practices and technologies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Iguardsaiguardsa.net HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 45 contacts → |
“iGuardSA is a 24x7 Managed Security Services Provider focused on protecting organisations where disruption is not an option.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ceos Technologies PTY LTDceos.co.za HQ: Northwold, South AfricaReported employees: 51-200 | Northwold, South Africa | 51-200 | Exact match | 40 contacts → |
“Business Management Solutions, CCTV Security, Access control, Cyber security and Forensic Auditing, Electrical Audio Visual, Marketing and Commercial TV Solutions Business…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Icon Securityiconsecurity.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 39 contacts → |
“Established in 1994.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | SDS Protection PTY LTDsdsprotection.co.za HQ: Johannesburg, South AfricaReported employees: 501-1,000 | Johannesburg, South Africa | 501-1,000 | Exact match | 34 contacts → |
“SDS Protection (PTY) Ltd specializes in guarding, armed response, installation, and maintenance of high-quality security systems in South Africa.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 424 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
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
424 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 South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 424 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 ↗
Critical infrastructure defense by metro
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 South Africa?
The saved snapshot records 424 matching company records, 11,114 tracked contacts and 1,281 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 South Africa. Snapshot: September 16, 2026. https://revenuebase.ai/companies/critical-infrastructure-defense/south-africa.
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