Company lists · Data refreshed September 2026
Top 25 Security infrastructure providers worldwide
RevenueBase identified 27,374 security infrastructure providers worldwide as of September 2026 and tracks 376,759 professional contacts across them, including 81,106 with verified work emails. The United States is the largest market and London the largest hub.
This list covers security infrastructure providers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for security infrastructure providers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 security infrastructure providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 12,771 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 6,169 contacts → | ||||
Indirect evidence “Making the world a safer place.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 5,707 contacts → | ||||
Indirect evidence “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 4,850 contacts → | ||||
Partial evidence “Axis enables a smarter and safer world by creating solutions for improving security and business performance.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 3,843 contacts → | ||||
Partial evidence “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 3,592 contacts → | ||||
Indirect evidence “U.S.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 3,387 contacts → | ||||
Partial evidence “Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 2,678 contacts → | ||||
Indirect evidence “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 2,266 contacts → | ||||
Partial evidence “Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 2,126 contacts → | ||||
Partial evidence “Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 2,045 contacts → | ||||
Partial evidence “Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 1,636 contacts → | ||||
Partial evidence “Forcepoint simplifies security for global businesses and governments.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1,419 contacts → | ||||
Indirect evidence “See a different world.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1,406 contacts → | ||||
Partial evidence “As of May 2016, Protection 1 and ADT merged together to become the leading company in the electronic security industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1,398 contacts → | ||||
Partial evidence “World Security being a Semi Govt Organization provides specialist turnkey security solutions to the local market and beyond, as well as the Dubai World Group.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 1,361 contacts → | ||||
Indirect evidence “O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 1,340 contacts → | ||||
Partial evidence “At Imvula Quality Protection, we don’t just provide security, we create peace of mind.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1,287 contacts → | ||||
Partial evidence “Vector Security® has protected people and property by providing intelligent security solutions tailored to the needs of the customer for more than 50 years.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1,138 contacts → | ||||
Partial evidence “At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1,068 contacts → | ||||
Partial evidence “Solid Security to doświadczenie, wiedza oraz profesjonalizm działań na rynku ochrony osób i mienia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1,041 contacts → | ||||
Indirect evidence “A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1,007 contacts → | ||||
Indirect evidence “La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 937 contacts → | ||||
Indirect evidence “Tellabs is leading the future of networking as we are a better way to build and operate networks.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 937 contacts → | ||||
Partial evidence “Founded in 1989, Terrier Security Services is a leading integrated security provider in India, with over guards and 2,480 secured sites.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 893 contacts → | ||||
Partial evidence “Security Company Electronics developers Systems integrator” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: security infrastructure providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names security infrastructure providers.
- Partial evidence
- Its own public description names part of security infrastructure providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name security infrastructure providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 27,374 security infrastructure providers worldwide
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Security infrastructure providers worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among security infrastructure providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for security infrastructure providers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “security infrastructure providers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names security infrastructure providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among security infrastructure providers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 81,106 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Security infrastructure providers by location
121 lists · largest firstEvery Security infrastructure providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security infrastructure providers based in the United States5,221
- Security infrastructure providers based in the United Kingdom2,249
- Security infrastructure providers based in India1,518
- Security infrastructure providers based in Brazil1,473
- Security infrastructure providers based in France1,158
- Security infrastructure providers based in Italy738
- Security infrastructure providers based in Canada701
- Security infrastructure providers based in Germany677
- Security infrastructure providers based in Australia660
- Security infrastructure providers based in the Netherlands586
- Security infrastructure providers based in Spain524
- Security infrastructure providers based in Mexico486
- Security infrastructure providers based in Türkiye406
- Security infrastructure providers based in the United Arab Emirates391
- Security infrastructure providers based in South Africa369
- Security infrastructure providers based in Belgium306
- Security infrastructure providers based in Argentina305
- Security infrastructure providers based in Chile259
- Security infrastructure providers based in Colombia253
- Security infrastructure providers based in Sweden238
- Security infrastructure providers based in Poland230
- Security infrastructure providers based in Peru196
- Security infrastructure providers based in Saudi Arabia191
- Security infrastructure providers based in Switzerland169
- Security infrastructure providers based in Egypt168
- Security infrastructure providers based in Romania154
- Security infrastructure providers based in Pakistan150
- Security infrastructure providers based in Portugal150
- Security infrastructure providers based in Ireland118
- Security infrastructure providers based in Kenya114
- Security infrastructure providers based in Malaysia114
- Security infrastructure providers based in Israel113
- Security infrastructure providers based in New Zealand108
- Security infrastructure providers based in Denmark107
- Security infrastructure providers based in Indonesia107
- Security infrastructure providers based in Morocco105
- Security infrastructure providers based in the Philippines85
- Security infrastructure providers based in Greece84
- Security infrastructure providers based in Hungary77
- Security infrastructure providers based in Ecuador69
- Security infrastructure providers based in Qatar68
- Security infrastructure providers based in Russia68
- Security infrastructure providers based in Ukraine62
- Security infrastructure providers based in Norway58
- Security infrastructure providers based in Austria57
- Security infrastructure providers based in Costa Rica48
- Security infrastructure providers based in Finland46
- Security infrastructure providers based in Thailand41
- Security infrastructure providers based in Serbia40
- Security infrastructure providers based in Bulgaria36
- Security infrastructure providers based in Uruguay35
- Security infrastructure providers based in Croatia30
- Security infrastructure providers based in Luxembourg27
- Security infrastructure providers based in Taiwan26
Cities
- Security infrastructure providers based in Sao Paulo, Brazil340
- Security infrastructure providers based in London, United Kingdom333
- Security infrastructure providers based in Dubai, United Arab Emirates187
- Security infrastructure providers based in Bangalore, India148
- Security infrastructure providers based in Istanbul, Türkiye133
- Security infrastructure providers based in New York, United States112
- Security infrastructure providers based in Houston, United States107
- Security infrastructure providers based in Rio De Janeiro, Brazil103
- Security infrastructure providers based in New Delhi, India98
- Security infrastructure providers based in Pune, India94
- Security infrastructure providers based in Mumbai, India90
- Security infrastructure providers based in Paris, France90
- Security infrastructure providers based in Hyderabad, India88
- Security infrastructure providers based in Nairobi, Kenya88
- Security infrastructure providers based in Madrid, Spain82
- Security infrastructure providers based in Riyadh, Saudi Arabia82
- Security infrastructure providers based in Chennai, India81
- Security infrastructure providers based in Toronto, Canada78
- Security infrastructure providers based in Dallas, United States76
- Security infrastructure providers based in Santiago, Chile75
- Security infrastructure providers based in Miami, United States71
- Security infrastructure providers based in Stockholm, Sweden64
- Security infrastructure providers based in Los Angeles, United States62
- Security infrastructure providers based in Sydney, Australia62
- Security infrastructure providers based in Ahmedabad, India56
- Security infrastructure providers based in Abu Dhabi, United Arab Emirates55
- Security infrastructure providers based in Johannesburg, South Africa55
- Security infrastructure providers based in Melbourne, Australia55
- Security infrastructure providers based in Atlanta, United States53
- Security infrastructure providers based in Austin, United States49
- Security infrastructure providers based in Manchester, United Kingdom49
- Security infrastructure providers based in Montreal, Canada48
- Security infrastructure providers based in Belo Horizonte, Brazil47
- Security infrastructure providers based in Auckland, New Zealand42
- Security infrastructure providers based in Barcelona, Spain42
- Security infrastructure providers based in Cape Town, South Africa42
- Security infrastructure providers based in Warsaw, Poland42
- Security infrastructure providers based in Berlin, Germany41
- Security infrastructure providers based in Curitiba, Brazil40
- Security infrastructure providers based in San Francisco, United States40
- Security infrastructure providers based in Chicago, United States39
- Security infrastructure providers based in Doha, Qatar39
- Security infrastructure providers based in Mississauga, Canada39
- Security infrastructure providers based in Calgary, Canada38
- Security infrastructure providers based in Phoenix, United States38
- Security infrastructure providers based in Tampa, United States37
- Security infrastructure providers based in San Diego, United States34
- Security infrastructure providers based in San Jose, United States33
- Security infrastructure providers based in Leeds, United Kingdom32
- Security infrastructure providers based in Brisbane, Australia30
- Security infrastructure providers based in Columbia, United States30
- Security infrastructure providers based in Denver, United States30
- Security infrastructure providers based in Kuala Lumpur, Malaysia30
- Security infrastructure providers based in Ottawa, Canada30
- Security infrastructure providers based in Birmingham, United Kingdom28
- Security infrastructure providers based in Bristol, United Kingdom28
- Security infrastructure providers based in Charlotte, United States28
- Security infrastructure providers based in Indianapolis, United States28
- Security infrastructure providers based in Porto Alegre, Brazil28
- Security infrastructure providers based in Glasgow, United Kingdom27
- Security infrastructure providers based in Irvine, United States27
- Security infrastructure providers based in San Antonio, United States27
- Security infrastructure providers based in Bucharest, Romania26
- Security infrastructure providers based in Budapest, Hungary26
- Security infrastructure providers based in Las Vegas, United States26
- Security infrastructure providers based in Quito, Ecuador26
- Security infrastructure providers based in Gurgaon, India25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names security infrastructure providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many security infrastructure providers are there worldwide?
RevenueBase identified 27,374 security infrastructure providers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Private Sector, headquartered in Worldwide, tops this list with the largest team on record.
Which country has the most security infrastructure providers?
The United States leads with 5,221 companies, followed by the United Kingdom (2,249) and India (1,518). Every security infrastructure providers list by country and city is linked on this page.
Which city has the most security infrastructure providers?
London leads with 342 headquartered companies, followed by Sao Paulo (340) and Dubai (187).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 81,106 verified decision-maker contacts tracked across these 27,374 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
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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 Smart Search, 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.