Company lists · Data refreshed September 2026
Top 25 Provider for ot network security audit firms based in the United States
RevenueBase identified 366 company matches for provider for ot network security audit firms associated with the United States as of September 2026 and tracks 5,615 professional contacts across them, including 1,867 with verified work emails. Houston is the largest hub.
This list covers company matches for provider for ot network security audit firms associated with the United States, 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.
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 provider for ot network security audit firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 170 contacts → | ||||
Exact match “Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 138 contacts → | ||||
Exact match “Cadre is a network and information security solutions provider that serves large and medium-sized firms.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 125 contacts → | ||||
Exact match “Varutra Consulting, an InfoShare company, is a globally recognized cybersecurity firm delivering cutting-edge solutions in Cloud Security, Mobile Security, Application Security…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 116 contacts → | ||||
Exact match “Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 115 contacts → | ||||
Exact match “TraceSecurity is a leading cybersecurity services company, providing a broad range of services and solutions in IT security compliance, risk and vulnerability management, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 113 contacts → | ||||
Exact match “Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 111 contacts → | ||||
Exact match “DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 107 contacts → | ||||
Exact match “IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 106 contacts → | ||||
Exact match “ACET SOLUTIONS is a global OT Cybersecurity and Digital Transformation company serving the critical infrastructure industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 102 contacts → | ||||
Exact match “EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 72 contacts → | ||||
Exact match “MNSG Acquisition Company, LLC.(MNS Group) is a cybersecurity-focused IT partner.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 69 contacts → | ||||
Exact match “Verve Industrial Protection has ensured reliable and secure industrial control systems for 30 years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 60 contacts → | ||||
Exact match “We make cybersecurity easy and understandable.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 52 contacts → | ||||
Exact match “SynerComm strengthens your cybersecurity and network defenses across your entire technology stack.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 52 contacts → | ||||
Exact match “RED Group provides end-to-end Operational Technology & Industrial Control Systems (OT/ICS) solutioning and delivery expertise, from conceptual consulting, through detailed…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 46 contacts → | ||||
Exact match “SecurIT360 is a unique company driven by Cyber knowledge and applying it to eliminate blind spots.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 39 contacts → | ||||
Exact match “VDA Labs is on a mission to make the world a safer place through improved Cyber Security!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 38 contacts → | ||||
Exact match “Sphinx Solutions is an entrepreneurial cyber security company that helps private- and public-sector organizations take advantage of solutions that match today’s security…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 38 contacts → | ||||
Exact match “Are You Ready to Protect Your Business with the Best Cybersecurity Solutions?” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 37 contacts → | ||||
Exact match “Corsha securely connects the operational systems that run our world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 33 contacts → | ||||
Exact match “SIGA provides a Process-Oriented OT Cybersecurity with real-time decision- making capabilities for managing critical Incident Response (IR) phases of an OT cyberattack – including…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 31 contacts → | ||||
Exact match “At OCD Tech, we provide independent and objective assurance of your IT controls.” 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 “provider for ot network security audit firms”. 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 366 provider for ot network security audit firms based in the United States
See the full list, filter by size, metro and specialty, and access 1,867 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Provider for ot network security audit firms based in the United States at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 366 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 the United States whose business descriptions match “provider for ot network security audit firms” 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 1,867 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.
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 “provider for ot network security audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many provider for ot network security audit firms are there based in the United States?
RevenueBase identified 366 company matches for provider for ot network security audit firms associated with the United States 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?
PAS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most provider for ot network security audit firms?
Houston leads with 14 company records, followed by Miami (11) and Austin (7).
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 1,867 professional contacts with verified work emails tracked across these 366 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 366 provider for ot network security audit firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Provider for ot network security audit firms by geography
- Provider for ot network security audit firms based in Australia
- Provider for ot network security audit firms based in Belgium
- Provider for ot network security audit firms based in Brazil
- Provider for ot network security audit firms based in Canada
- Provider for ot network security audit firms based in France
- Provider for ot network security audit firms based in Germany
- Provider for ot network security audit firms based in India
- Provider for ot network security audit firms based in the Netherlands
- Provider for ot network security audit firms based in Poland
- Provider for ot network security audit firms based in Spain
- Provider for ot network security audit firms based in Switzerland
- Provider for ot network security audit firms based in the United Kingdom
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- Provider for ot network security audit firms based in Australia
- Provider for ot network security audit firms based in Belgium
- Provider for ot network security audit firms based in Brazil
- Provider for ot network security audit firms based in Canada
- Provider for ot network security audit firms based in France
- Provider for ot network security audit firms based in Germany
Company intelligence · public preview
Top 25 provider for ot network security audit firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 366 matching company records for provider for ot network security audit firms based in the United States, with 5,615 tracked contacts and 1,867 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 provider for ot network security audit firms based in the United States
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 |  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. | |||||
| 2 |  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. | |||||
| 3 |  Ampcus Cyberampcuscyber.comHQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 170 contacts → |
“Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  Cadre Information Securitycadre.netHQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 138 contacts → |
“Cadre is a network and information security solutions provider that serves large and medium-sized firms.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Varutra Consultingvarutra.comHQ: Mission Viejo, CA, United StatesReported employees: 201-500 | Mission Viejo, CA, United States | 201-500 | Exact match | 125 contacts → |
“Varutra Consulting, an InfoShare company, is a globally recognized cybersecurity firm delivering cutting-edge solutions in Cloud Security, Mobile Security, Application Security…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Foxguardfoxguardsolutions.comHQ: Christiansburg, VA, United StatesReported employees: 51-200 | Christiansburg, VA, United States | 51-200 | Exact match | 116 contacts → |
“Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Tracesecuritytracesecurity.comHQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 115 contacts → |
“TraceSecurity is a leading cybersecurity services company, providing a broad range of services and solutions in IT security compliance, risk and vulnerability management, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Strategic Securitystrategicsec.comHQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 113 contacts → |
“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Directdefensedirectdefense.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 111 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ioactive, INCioactive.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 107 contacts → |
“IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Acet Solutionsacetsolutions.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 106 contacts → |
“ACET SOLUTIONS is a global OT Cybersecurity and Digital Transformation company serving the critical infrastructure industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Everlineeverlineus.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 102 contacts → |
“EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | MNS Groupmnsgroup.com HQ: Belcamp, MD, United StatesReported employees: 11-50 | Belcamp, MD, United States | 11-50 | Exact match | 72 contacts → |
“MNSG Acquisition Company, LLC.(MNS Group) is a cybersecurity-focused IT partner.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Verve By Rockwell Automationverveindustrial.comHQ: Chicago, MO, United StatesReported employees: 51-200 | Chicago, MO, United States | 51-200 | Exact match | 69 contacts → |
“Verve Industrial Protection has ensured reliable and secure industrial control systems for 30 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Galactic Advisorsgalacticadvisors.comHQ: Nashville, United StatesReported employees: 11-50 | Nashville, United States | 11-50 | Exact match | 60 contacts → |
“We make cybersecurity easy and understandable.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Synercommsynercomm.comHQ: Brookfield, WI, United StatesReported employees: 51-200 | Brookfield, WI, United States | 51-200 | Exact match | 52 contacts → |
“SynerComm strengthens your cybersecurity and network defenses across your entire technology stack.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  RED Groupred.groupHQ: Metairie, LA, United StatesReported employees: 51-200 | Metairie, LA, United States | 51-200 | Exact match | 52 contacts → |
“RED Group provides end-to-end Operational Technology & Industrial Control Systems (OT/ICS) solutioning and delivery expertise, from conceptual consulting, through detailed…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Securit360securit360.com HQ: Birmingham, AL, United StatesReported employees: 11-50 | Birmingham, AL, United States | 11-50 | Exact match | 46 contacts → |
“SecurIT360 is a unique company driven by Cyber knowledge and applying it to eliminate blind spots.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | VDA Labs, LLCvdalabs.com HQ: Grand Rapids, MI, United StatesReported employees: 11-50 | Grand Rapids, MI, United States | 11-50 | Exact match | 39 contacts → |
“VDA Labs is on a mission to make the world a safer place through improved Cyber Security!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Sphinx Solutions INCsphinxsolutionsinc.comHQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 38 contacts → |
“Sphinx Solutions is an entrepreneurial cyber security company that helps private- and public-sector organizations take advantage of solutions that match today’s security…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Aspire Tech Services And Solutions Corpaspiretss.comHQ: NY, United StatesReported employees: 51-200 | NY, United States | 51-200 | Exact match | 38 contacts → |
“Are You Ready to Protect Your Business with the Best Cybersecurity Solutions?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Corshacorsha.comHQ: Vienna, VA, United StatesReported employees: 11-50 | Vienna, VA, United States | 11-50 | Exact match | 37 contacts → |
“Corsha securely connects the operational systems that run our world.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  SIGAsigasec.comHQ: Wilmington, United StatesReported employees: 11-50 | Wilmington, United States | 11-50 | Exact match | 33 contacts → |
“SIGA provides a Process-Oriented OT Cybersecurity with real-time decision- making capabilities for managing critical Incident Response (IR) phases of an OT cyberattack – including…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | OCD Techocd-tech.com HQ: Braintree, MA, United StatesReported employees: 51-200 | Braintree, MA, United States | 51-200 | Exact match | 31 contacts → |
“At OCD Tech, we provide independent and objective assurance of your IT controls.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 366 company matches
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Provider for ot network security audit firms: 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
366 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 United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 366 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 ↗
Questions about this company list
What does Exact match mean for provider for ot network security audit firms?
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 provider for ot network security audit firms did RevenueBase find based in the United States?
The saved snapshot records 366 matching company records, 5,615 tracked contacts and 1,867 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
Provider for ot network security audit firms by geography
- Provider for ot network security audit firms based in Australia
- Provider for ot network security audit firms based in Belgium
- Provider for ot network security audit firms based in Brazil
- Provider for ot network security audit firms based in Canada
- Provider for ot network security audit firms based in France
- Provider for ot network security audit firms based in Germany
- Provider for ot network security audit firms based in India
- Provider for ot network security audit firms based in the Netherlands
- Provider for ot network security audit firms based in Poland
- Provider for ot network security audit firms based in Spain
- Provider for ot network security audit firms based in Switzerland
- Provider for ot network security audit firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 provider for ot network security audit firms based in the United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/provider-for-ot-network-security-audit-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Provider for ot network security audit firms based in Australia
- Provider for ot network security audit firms based in Belgium
- Provider for ot network security audit firms based in Brazil
- Provider for ot network security audit firms based in Canada
- Provider for ot network security audit firms based in France
- Provider for ot network security audit firms based in Germany
Company intelligence · public preview
Top 25 provider for ot network security audit firms based in the United States
RevenueBase records 366 matching company records for provider for ot network security audit firms based in the United States, with 5,615 tracked contacts and 1,867 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 provider for ot network security audit firms based in the United States
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 | 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. | |||||
| 2 | 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. | |||||
| 3 | Ampcus Cyberampcuscyber.com HQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 170 contacts → |
“Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | Cadre Information Securitycadre.net HQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 138 contacts → |
“Cadre is a network and information security solutions provider that serves large and medium-sized firms.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Varutra Consultingvarutra.com HQ: Mission Viejo, CA, United StatesReported employees: 201-500 | Mission Viejo, CA, United States | 201-500 | Exact match | 125 contacts → |
“Varutra Consulting, an InfoShare company, is a globally recognized cybersecurity firm delivering cutting-edge solutions in Cloud Security, Mobile Security, Application Security…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Foxguardfoxguardsolutions.com HQ: Christiansburg, VA, United StatesReported employees: 51-200 | Christiansburg, VA, United States | 51-200 | Exact match | 116 contacts → |
“Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Tracesecuritytracesecurity.com HQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 115 contacts → |
“TraceSecurity is a leading cybersecurity services company, providing a broad range of services and solutions in IT security compliance, risk and vulnerability management, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Strategic Securitystrategicsec.com HQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 113 contacts → |
“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Directdefensedirectdefense.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 111 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ioactive, INCioactive.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 107 contacts → |
“IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Acet Solutionsacetsolutions.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 106 contacts → |
“ACET SOLUTIONS is a global OT Cybersecurity and Digital Transformation company serving the critical infrastructure industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Everlineeverlineus.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 102 contacts → |
“EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | MNS Groupmnsgroup.com HQ: Belcamp, MD, United StatesReported employees: 11-50 | Belcamp, MD, United States | 11-50 | Exact match | 72 contacts → |
“MNSG Acquisition Company, LLC.(MNS Group) is a cybersecurity-focused IT partner.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Verve By Rockwell Automationverveindustrial.com HQ: Chicago, MO, United StatesReported employees: 51-200 | Chicago, MO, United States | 51-200 | Exact match | 69 contacts → |
“Verve Industrial Protection has ensured reliable and secure industrial control systems for 30 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Galactic Advisorsgalacticadvisors.com HQ: Nashville, United StatesReported employees: 11-50 | Nashville, United States | 11-50 | Exact match | 60 contacts → |
“We make cybersecurity easy and understandable.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Synercommsynercomm.com HQ: Brookfield, WI, United StatesReported employees: 51-200 | Brookfield, WI, United States | 51-200 | Exact match | 52 contacts → |
“SynerComm strengthens your cybersecurity and network defenses across your entire technology stack.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | RED Groupred.group HQ: Metairie, LA, United StatesReported employees: 51-200 | Metairie, LA, United States | 51-200 | Exact match | 52 contacts → |
“RED Group provides end-to-end Operational Technology & Industrial Control Systems (OT/ICS) solutioning and delivery expertise, from conceptual consulting, through detailed…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Securit360securit360.com HQ: Birmingham, AL, United StatesReported employees: 11-50 | Birmingham, AL, United States | 11-50 | Exact match | 46 contacts → |
“SecurIT360 is a unique company driven by Cyber knowledge and applying it to eliminate blind spots.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | VDA Labs, LLCvdalabs.com HQ: Grand Rapids, MI, United StatesReported employees: 11-50 | Grand Rapids, MI, United States | 11-50 | Exact match | 39 contacts → |
“VDA Labs is on a mission to make the world a safer place through improved Cyber Security!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sphinx Solutions INCsphinxsolutionsinc.com HQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 38 contacts → |
“Sphinx Solutions is an entrepreneurial cyber security company that helps private- and public-sector organizations take advantage of solutions that match today’s security…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Aspire Tech Services And Solutions Corpaspiretss.com HQ: NY, United StatesReported employees: 51-200 | NY, United States | 51-200 | Exact match | 38 contacts → |
“Are You Ready to Protect Your Business with the Best Cybersecurity Solutions?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Corshacorsha.com HQ: Vienna, VA, United StatesReported employees: 11-50 | Vienna, VA, United States | 11-50 | Exact match | 37 contacts → |
“Corsha securely connects the operational systems that run our world.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SIGAsigasec.com HQ: Wilmington, United StatesReported employees: 11-50 | Wilmington, United States | 11-50 | Exact match | 33 contacts → |
“SIGA provides a Process-Oriented OT Cybersecurity with real-time decision- making capabilities for managing critical Incident Response (IR) phases of an OT cyberattack – including…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | OCD Techocd-tech.com HQ: Braintree, MA, United StatesReported employees: 51-200 | Braintree, MA, United States | 51-200 | Exact match | 31 contacts → |
“At OCD Tech, we provide independent and objective assurance of your IT controls.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 366 company matches
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Provider for ot network security audit firms: 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
366 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 United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 366 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 ↗
Questions about this company list
What does Exact match mean for provider for ot network security audit firms?
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 provider for ot network security audit firms did RevenueBase find based in the United States?
The saved snapshot records 366 matching company records, 5,615 tracked contacts and 1,867 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
Provider for ot network security audit firms by geography
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- Provider for ot network security audit firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 provider for ot network security audit firms based in the United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/provider-for-ot-network-security-audit-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Provider for ot network security audit firms based in Australia
- Provider for ot network security audit firms based in Belgium
- Provider for ot network security audit firms based in Brazil
- Provider for ot network security audit firms based in Canada
- Provider for ot network security audit firms based in France
- Provider for ot network security audit firms based in Germany