Company lists · Data refreshed September 2026
Top 25 Ot security services worldwide
RevenueBase identified 1,833 company matches for ot security services worldwide as of September 2026 and tracks 36,154 professional contacts across them, including 11,452 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for ot security services worldwide, 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 21, 2026. Country and city lists for ot security services follow the table.
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 ot security services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,145 contacts → | ||||
Exact match “Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 2,093 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 1,231 contacts → | ||||
Exact match “PAS, part of Hexagon's Asset Lifecycle Intelligence division, delivers software solutions that prevent, detect, & remediate cyber threats, reduce process safety risks, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 639 contacts → | ||||
Exact match “I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 551 contacts → | ||||
Exact match “Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 527 contacts → | ||||
Exact match “Since 1987, Tech Systems, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 457 contacts → | ||||
Exact match “En tant qu’intégrateur ouvert de solutions de sûreté électroniques, nous vous accompagnons dans la protection de vos biens et personnes.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 393 contacts → | ||||
Exact match “Equans Digital connects OT, IT and data to make your infrastructures truly controllable.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 351 contacts → | ||||
Exact match “What we do | With a focus on operational technology and digital transformation, Capula has been a leader in advanced system integration for decades; optimising efficiency &…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 260 contacts → | ||||
Exact match “A Solor protege, opera e evolui ambientes críticos com inteligência e automação.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 259 contacts → | ||||
Exact match “TXOne Networks is the operations-first OT security partner.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 212 contacts → | ||||
Exact match “In the current era of hyper-connectivity, securing your digital assets is no longer optional; it's essential.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 202 contacts → | ||||
Exact match “Stone Security has been driving the implementation of network-based surveillance, access control and intrusion systems for over 15 years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 199 contacts → | ||||
Exact match “Die InfoGuard AG ist spezialisiert auf umfassende Cyber Security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 191 contacts → | ||||
Exact match “STANLEY Security est devenu Securitas Technology en 2022.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 189 contacts → | ||||
Exact match “Protergo is an Indonesia-based cybersecurity company committed to delivering world-class security solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 188 contacts → | ||||
Exact match “NextGen Security is a security systems integrator that offers industrial companies best in class industry knowledge, engineering design, implementation, management and on-going…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 182 contacts → | ||||
Exact match “With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 180 contacts → | ||||
Exact match “2Bsecure Ltd.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 168 contacts → | ||||
Exact match “Sapphire delivers comprehensive cyber solutions tailored to your needs, spanning across consultancy, managed services, IT/OT and beyond.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 167 contacts → | ||||
Exact match “We believe resilience depends on minimizing and managing the increasing risks facing the critical infrastructure and industrial systems that support our country, companies, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 166 contacts → | ||||
Exact match “Introducing Nsecure Nsecure supports organisations in their operational processes by providing innovative combinations of technology, ICT and human oversight.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 156 contacts → | ||||
Exact match “Our Vision: To mature into the foremost, most sought after security solution provider in the region, while setting the standard for customer service.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 156 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 156 contacts → | ||||
Exact match “At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded in the RevenueBase company graph · Sep 21, 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 “ot security services”. 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 1,833 ot security services worldwide
See the full list, filter by size, metro and specialty, and access 11,452 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Ot security services worldwide at a glance
As of Sep 21, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for ot security services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “ot security services” 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. 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 11,452 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 21, 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.
Ot security services by location
12 lists · largest firstEvery Ot security services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Ot security services based in the United States360
- Ot security services based in India94
- Ot security services based in Germany91
- Ot security services based in the United Kingdom79
- Ot security services based in Brazil69
- Ot security services based in France65
- Ot security services based in Italy57
- Ot security services based in Canada56
- Ot security services based in the Netherlands47
- Ot security services based in Australia46
- Ot security services based in Spain38
- Ot security services based in Türkiye25
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 “ot security services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many ot security services are there worldwide?
RevenueBase identified 1,833 company matches for ot security services worldwide 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?
Arctic Wolf tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most ot security services?
The United States leads with 360 companies, followed by India (94) and Germany (91). Every ot security services list by country and city is linked on this page.
Which city has the most ot security services?
London leads with 35 company records, followed by Sao Paulo (22) and Houston (19).
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 11,452 professional contacts with verified work emails tracked across these 1,833 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,833 ot security services worldwide. 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
Company intelligence · public preview
Top 25 ot security services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,833 matching company records for ot security services worldwide, with 36,154 tracked contacts and 11,452 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 21, 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 ot security services worldwide
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 |  Arctic Wolfarcticwolf.comHQ: Eden Prairie, MN, United StatesReported employees: 1,001-5,000 | Eden Prairie, MN, United States | 1,001-5,000 | Exact match | 3,145 contacts → |
“Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  EOHioco.techHQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 2,093 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 |  PASpas.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,231 contacts → |
“PAS, part of Hexagon's Asset Lifecycle Intelligence division, delivers software solutions that prevent, detect, & remediate cyber threats, reduce process safety risks, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  I-Tracingi-tracing.comHQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 639 contacts → |
“I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Dragos, INCdragos.comHQ: Hanover, MD, United StatesReported employees: 501-1,000 | Hanover, MD, United States | 501-1,000 | Exact match | 551 contacts → |
“Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Tech Systems Inc. TSItechsystemsinc.comHQ: Buford, GA, IndiaReported employees: 501-1,000 | Buford, GA, India | 501-1,000 | Exact match | 527 contacts → |
“Since 1987, Tech Systems, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Eryma Security Systemseryma.comHQ: Issy-les-moulineaux, FranceReported employees: 201-500 | Issy-les-moulineaux, France | 201-500 | Exact match | 457 contacts → |
“En tant qu’intégrateur ouvert de solutions de sûreté électroniques, nous vous accompagnons dans la protection de vos biens et personnes.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Equans Digitalequans-digital.comHQ: Courbevoie, FranceReported employees: 5,001-10,000 | Courbevoie, France | 5,001-10,000 | Exact match | 393 contacts → |
“Equans Digital connects OT, IT and data to make your infrastructures truly controllable.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Capulacapula.comHQ: Stone, United KingdomReported employees: 201-500 | Stone, United Kingdom | 201-500 | Exact match | 351 contacts → |
“What we do | With a focus on operational technology and digital transformation, Capula has been a leader in advanced system integration for decades; optimising efficiency &…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  SOLORsolor.com.brHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 260 contacts → |
“A Solor protege, opera e evolui ambientes críticos com inteligência e automação.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Txone Networkstxone.comHQ: Taipei City, MexicoReported employees: 201-500 | Taipei City, Mexico | 201-500 | Exact match | 259 contacts → |
“TXOne Networks is the operations-first OT security partner.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Sattrix Information Securitysattrix.comHQ: Ahmedabad, IndiaReported employees: 201-500 | Ahmedabad, India | 201-500 | Exact match | 212 contacts → |
“In the current era of hyper-connectivity, securing your digital assets is no longer optional; it's essential.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Stone Security, A Bearcom Companystonesecurity.netHQ: Salt Lake City, UT, United StatesReported employees: 201-500 | Salt Lake City, UT, United States | 201-500 | Exact match | 202 contacts → |
“Stone Security has been driving the implementation of network-based surveillance, access control and intrusion systems for over 15 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Infoguard AGinfoguard.chHQ: Baar, SwitzerlandReported employees: 201-500 | Baar, Switzerland | 201-500 | Exact match | 199 contacts → |
“Die InfoGuard AG ist spezialisiert auf umfassende Cyber Security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Stanley Security Francesecuritastechnology.frHQ: Ivry-sur-seine, FranceReported employees: 1,001-5,000 | Ivry-sur-seine, France | 1,001-5,000 | Exact match | 191 contacts → |
“STANLEY Security est devenu Securitas Technology en 2022.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Protergoprotergo.idHQ: Jakarta, IndonesiaReported employees: 51-200 | Jakarta, Indonesia | 51-200 | Exact match | 189 contacts → |
“Protergo is an Indonesia-based cybersecurity company committed to delivering world-class security solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nextgen Securitynextgensecured.comHQ: Exton, PA, United StatesReported employees: 201-500 | Exton, PA, United States | 201-500 | Exact match | 188 contacts → |
“NextGen Security is a security systems integrator that offers industrial companies best in class industry knowledge, engineering design, implementation, management and on-going…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Deepseasdeepseas.comHQ: Globally Distributed, United StatesReported employees: 201-500 | Globally Distributed, United States | 201-500 | Exact match | 182 contacts → |
“With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Matrix 2bsecure2bsecure.co.ilHQ: Tel Aviv, IsraelReported employees: 51-200 | Tel Aviv, Israel | 51-200 | Exact match | 180 contacts → |
“2Bsecure Ltd.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Sapphiresapphire.netHQ: Newcastle Upon Tyne, United KingdomReported employees: 51-200 | Newcastle Upon Tyne, United Kingdom | 51-200 | Exact match | 168 contacts → |
“Sapphire delivers comprehensive cyber solutions tailored to your needs, spanning across consultancy, managed services, IT/OT and beyond.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  RMC Globalrmcglobal.comHQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 167 contacts → |
“We believe resilience depends on minimizing and managing the increasing risks facing the critical infrastructure and industrial systems that support our country, companies, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Nsecurensecure.nlHQ: Barendrecht, NetherlandsReported employees: 51-200 | Barendrecht, Netherlands | 51-200 | Exact match | 166 contacts → |
“Introducing Nsecure Nsecure supports organisations in their operational processes by providing innovative combinations of technology, ICT and human oversight.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Secutronic AL Eatesam Modern Marketing Companysecutronic.com.saHQ: Makkah, Saudi ArabiaReported employees: 51-200 | Makkah, Saudi Arabia | 51-200 | Exact match | 156 contacts → |
“Our Vision: To mature into the foremost, most sought after security solution provider in the region, while setting the standard for customer service.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  OLD Accountipsc.bizHQ: Hammond, LA, United StatesReported employees: Not recorded | Hammond, LA, United States | Not recorded | Exact match | 156 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Payatupayatu.comHQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 156 contacts → |
“At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,833 company matches
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Ot security services: dataset insights
September 21, 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
1,828 records in the displayed employee bands.
5 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,833 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 21, 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 ↗
Ot security services by location
12 lists · largest firstEvery Ot security services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Ot security services based in the United States360
- Ot security services based in India94
- Ot security services based in Germany91
- Ot security services based in the United Kingdom79
- Ot security services based in Brazil69
- Ot security services based in France65
- Ot security services based in Italy57
- Ot security services based in Canada56
- Ot security services based in the Netherlands47
- Ot security services based in Australia46
- Ot security services based in Spain38
- Ot security services based in Türkiye25
Questions about this company list
What does Exact match mean for ot security services?
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 ot security services did RevenueBase find worldwide?
The saved snapshot records 1,833 matching company records, 36,154 tracked contacts and 11,452 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 21, 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
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Cite this list
RevenueBase Data Team. Top 25 ot security services worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/ot-security-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 ot security services worldwide
RevenueBase records 1,833 matching company records for ot security services worldwide, with 36,154 tracked contacts and 11,452 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 21, 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 ot security services worldwide
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 | Arctic Wolfarcticwolf.com HQ: Eden Prairie, MN, United StatesReported employees: 1,001-5,000 | Eden Prairie, MN, United States | 1,001-5,000 | Exact match | 3,145 contacts → |
“Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | EOHioco.tech HQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 2,093 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | PASpas.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,231 contacts → |
“PAS, part of Hexagon's Asset Lifecycle Intelligence division, delivers software solutions that prevent, detect, & remediate cyber threats, reduce process safety risks, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | I-Tracingi-tracing.com HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 639 contacts → |
“I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Dragos, INCdragos.com HQ: Hanover, MD, United StatesReported employees: 501-1,000 | Hanover, MD, United States | 501-1,000 | Exact match | 551 contacts → |
“Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tech Systems Inc. TSItechsystemsinc.com HQ: Buford, GA, IndiaReported employees: 501-1,000 | Buford, GA, India | 501-1,000 | Exact match | 527 contacts → |
“Since 1987, Tech Systems, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Eryma Security Systemseryma.com HQ: Issy-les-moulineaux, FranceReported employees: 201-500 | Issy-les-moulineaux, France | 201-500 | Exact match | 457 contacts → |
“En tant qu’intégrateur ouvert de solutions de sûreté électroniques, nous vous accompagnons dans la protection de vos biens et personnes.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Equans Digitalequans-digital.com HQ: Courbevoie, FranceReported employees: 5,001-10,000 | Courbevoie, France | 5,001-10,000 | Exact match | 393 contacts → |
“Equans Digital connects OT, IT and data to make your infrastructures truly controllable.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Capulacapula.com HQ: Stone, United KingdomReported employees: 201-500 | Stone, United Kingdom | 201-500 | Exact match | 351 contacts → |
“What we do | With a focus on operational technology and digital transformation, Capula has been a leader in advanced system integration for decades; optimising efficiency &…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SOLORsolor.com.br HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 260 contacts → |
“A Solor protege, opera e evolui ambientes críticos com inteligência e automação.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Txone Networkstxone.com HQ: Taipei City, MexicoReported employees: 201-500 | Taipei City, Mexico | 201-500 | Exact match | 259 contacts → |
“TXOne Networks is the operations-first OT security partner.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sattrix Information Securitysattrix.com HQ: Ahmedabad, IndiaReported employees: 201-500 | Ahmedabad, India | 201-500 | Exact match | 212 contacts → |
“In the current era of hyper-connectivity, securing your digital assets is no longer optional; it's essential.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Stone Security, A Bearcom Companystonesecurity.net HQ: Salt Lake City, UT, United StatesReported employees: 201-500 | Salt Lake City, UT, United States | 201-500 | Exact match | 202 contacts → |
“Stone Security has been driving the implementation of network-based surveillance, access control and intrusion systems for over 15 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Infoguard AGinfoguard.ch HQ: Baar, SwitzerlandReported employees: 201-500 | Baar, Switzerland | 201-500 | Exact match | 199 contacts → |
“Die InfoGuard AG ist spezialisiert auf umfassende Cyber Security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Stanley Security Francesecuritastechnology.fr HQ: Ivry-sur-seine, FranceReported employees: 1,001-5,000 | Ivry-sur-seine, France | 1,001-5,000 | Exact match | 191 contacts → |
“STANLEY Security est devenu Securitas Technology en 2022.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Protergoprotergo.id HQ: Jakarta, IndonesiaReported employees: 51-200 | Jakarta, Indonesia | 51-200 | Exact match | 189 contacts → |
“Protergo is an Indonesia-based cybersecurity company committed to delivering world-class security solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nextgen Securitynextgensecured.com HQ: Exton, PA, United StatesReported employees: 201-500 | Exton, PA, United States | 201-500 | Exact match | 188 contacts → |
“NextGen Security is a security systems integrator that offers industrial companies best in class industry knowledge, engineering design, implementation, management and on-going…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Deepseasdeepseas.com HQ: Globally Distributed, United StatesReported employees: 201-500 | Globally Distributed, United States | 201-500 | Exact match | 182 contacts → |
“With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Matrix 2bsecure2bsecure.co.il HQ: Tel Aviv, IsraelReported employees: 51-200 | Tel Aviv, Israel | 51-200 | Exact match | 180 contacts → |
“2Bsecure Ltd.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Sapphiresapphire.net HQ: Newcastle Upon Tyne, United KingdomReported employees: 51-200 | Newcastle Upon Tyne, United Kingdom | 51-200 | Exact match | 168 contacts → |
“Sapphire delivers comprehensive cyber solutions tailored to your needs, spanning across consultancy, managed services, IT/OT and beyond.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RMC Globalrmcglobal.com HQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 167 contacts → |
“We believe resilience depends on minimizing and managing the increasing risks facing the critical infrastructure and industrial systems that support our country, companies, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Nsecurensecure.nl HQ: Barendrecht, NetherlandsReported employees: 51-200 | Barendrecht, Netherlands | 51-200 | Exact match | 166 contacts → |
“Introducing Nsecure Nsecure supports organisations in their operational processes by providing innovative combinations of technology, ICT and human oversight.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Secutronic AL Eatesam Modern Marketing Companysecutronic.com.sa HQ: Makkah, Saudi ArabiaReported employees: 51-200 | Makkah, Saudi Arabia | 51-200 | Exact match | 156 contacts → |
“Our Vision: To mature into the foremost, most sought after security solution provider in the region, while setting the standard for customer service.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | OLD Accountipsc.biz HQ: Hammond, LA, United StatesReported employees: Not recorded | Hammond, LA, United States | Not recorded | Exact match | 156 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Payatupayatu.com HQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 156 contacts → |
“At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Ot security services: dataset insights
September 21, 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
1,828 records in the displayed employee bands.
5 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,833 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 21, 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 ↗
Ot security services by location
12 lists · largest firstEvery Ot security services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Ot security services based in the United States360
- Ot security services based in India94
- Ot security services based in Germany91
- Ot security services based in the United Kingdom79
- Ot security services based in Brazil69
- Ot security services based in France65
- Ot security services based in Italy57
- Ot security services based in Canada56
- Ot security services based in the Netherlands47
- Ot security services based in Australia46
- Ot security services based in Spain38
- Ot security services based in Türkiye25
Questions about this company list
What does Exact match mean for ot security services?
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 ot security services did RevenueBase find worldwide?
The saved snapshot records 1,833 matching company records, 36,154 tracked contacts and 11,452 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 21, 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 25 ot security services worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/ot-security-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗