Company lists · Data refreshed November 2026
Top 19 Computer security companies based in Columbia, United States
RevenueBase identified 49 company matches for computer security companies associated with Columbia, United States as of November 2026 and tracks 1,942 professional contacts across them, including 595 with verified work emails. Across the United States, New York is the largest hub for this category (239 companies); Columbia has 49.
This list covers company matches for computer security companies associated with Columbia, 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 November 4, 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 19 largest computer security companies based in Columbia, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 831 contacts → | ||||
Exact match “Protect Your Endpoints, Identities, Logs, and Employees.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 2 | 501 contacts → | ||||
Exact match “VC3 is a managed IT and cybersecurity services provider serving organizations throughout the US and Canada.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 3 | 131 contacts → | ||||
Exact match “SealingTech, a Parsons Company, rapidly delivers innovative, agile cybersecurity solutions that modernize, protect, and defend the networks and systems of the federal government…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 4 | 61 contacts → | ||||
Exact match “Sourcefire, Inc.(Nasdaq:FIRE), a world leader in intelligent cybersecurity solutions, is transforming the way global mid- to large-size organizations and government agencies…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 5 | 41 contacts → | ||||
Exact match “CyberPoint is dedicated to advancing the discipline of cybersecurity through imagination, technical excellence, and an unparalleled passion for our work.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 6 | 35 contacts → | ||||
Exact match “SRC Technologies, INC provides information technology (IT) consultation services to government agencies and corporations alike, specializing in secure computing services.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 7 | 34 contacts → | ||||
Exact match “Vintage Security is now a division of Guardian Protection.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 8 | 20 contacts → | ||||
Exact match “Enterprise Security Solutions helps data center, utility, enterprise, and government clients protect facilities, infrastructure, and personnel.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “Ncyber ("en-cyber") is a data-driven information security company based in Columbia MD.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 10 | 10 contacts → | ||||
Exact match “Our highly-skilled professionals have an average of 20+ years of experience working with, and in, the public sector.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 11 | 9 contacts → | ||||
Exact match “White Cliffs Consulting is a small cyber intelligence and security firm providing high-end consulting and technical services in network analysis, software development and…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 12 | 7 contacts → | ||||
Exact match “Our Secure360 platform is a holistic redefinition of what world-class cybersecurity strategies can be.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match “Greysys LLC is a small information security focused research and development company based in Maryland.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “Who we are Pinnacle Digital Defense Group brings together a team of elite cybersecurity experts with over twenty years of experience to defend organizations against digital…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “A complete set of managed and professional IT & cybersecurity services combined with governance, risk, and compliance (GRC) services.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Today, data has become the world’s most valuable (and vulnerable) resource.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “We have over 30 years of real world experience in identifying and developing innovative technologies and solutions to help meet our customers Data and Cyber Security challenges.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “CarbonReach is a technology company located at Columbia, MD.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “ICF implements cyber security solutions across the public and private sectors to provide our clients support with all cybersecurity missions and protect their evolving IT…” Recorded in the RevenueBase company graph · Nov 4, 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 “computer security companies”. 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 19 of 49 computer security companies based in Columbia, United States
See the full list, filter by size, metro and specialty, and access 595 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Computer security companies based in Columbia, United States at a glance
As of Nov 4, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Columbia, so it is reported there. Company counts and contact totals on this page are exact for Columbia, over 49 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 Columbia, United States whose business descriptions match “computer security companies” 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 595 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 November 4, 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.
Computer security companies by metro in the United States
- Computer security companies in New York239
- Computer security companies in Houston126
- Computer security companies in Austin118
- Computer security companies in Atlanta114
- Computer security companies in Miami111
- Computer security companies in Chicago110
- Computer security companies in Washington105
- Computer security companies in Dallas95
- Computer security companies in Tampa86
- Computer security companies in San Francisco82
- Computer security companies in Los Angeles70
- Computer security companies in Denver65
- Computer security companies in San Diego65
- Computer security companies in Phoenix62
- Computer security companies in Las Vegas56
- Computer security companies in Boston55
- Computer security companies in Orlando55
- Computer security companies in Charlotte54
- Computer security companies in Arlington53
- Computer security companies in San Antonio51
- Computer security companies in Reston47
- Computer security companies in Seattle45
- Computer security companies in Alexandria40
- Computer security companies in Baltimore39
- Computer security companies in Sheridan38
- Computer security companies in Raleigh36
- Computer security companies in San Jose33
- Computer security companies in Fairfax32
- Computer security companies in Mclean32
- Computer security companies in Portland32
- Computer security companies in Irvine31
- Computer security companies in Indianapolis30
- Computer security companies in Huntsville29
- Computer security companies in Richmond29
- Computer security companies in Scottsdale29
- Computer security companies in Wilmington29
- Computer security companies in Fort Lauderdale28
- Computer security companies in Plano28
- Computer security companies in Ashburn27
- Computer security companies in Minneapolis27
- Computer security companies in Pittsburgh25
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 “computer security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many computer security companies are there based in Columbia, United States?
RevenueBase identified 49 company matches for computer security companies associated with Columbia, United States as of November 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?
Huntress tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most computer security companies?
New York leads the United States with 239 company records, followed by Houston (126) and Austin (118). Columbia has 49.
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 595 professional contacts with verified work emails tracked across these 49 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 November 4, 2026.
Ready to reach these companies? Verified emails and direct dials for all 49 computer security companies based in Columbia, United States. Start with a free account, no credit card.
Download this list →Related lists
Computer security companies by geography
- Computer security companies based in the United States
- Computer security companies based in the United Kingdom
- Computer security companies based in Brazil
- Computer security companies based in Canada
- Computer security companies based in Germany
- Computer security companies based in Australia
- Computer security companies based in France
- Computer security companies based in Spain
- Computer security companies based in Mexico
- Computer security companies based in the Netherlands
- Computer security companies based in South Africa
- Computer security companies based in Italy
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
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- Lists A-Z
- New lists
- Computer security companies based in the United States
- Computer security companies based in the United Kingdom
- Computer security companies based in Brazil
- Computer security companies based in Canada
- Computer security companies based in Germany
- Computer security companies based in Australia
Company intelligence · public preview
Top 19 computer security companies based in Columbia, 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 49 matching company records for computer security companies based in Columbia, United States, with 1,942 tracked contacts and 595 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 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 19 computer security companies based in Columbia, 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 | HQ: Columbia, MD, United StatesReported employees: 501-1,000 | Columbia, MD, United States | 501-1,000 | Exact match | 831 contacts → |
“Protect Your Endpoints, Identities, Logs, and Employees.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Columbia, SC, United StatesReported employees: 501-1,000 | Columbia, SC, United States | 501-1,000 | Exact match | 501 contacts → |
“VC3 is a managed IT and cybersecurity services provider serving organizations throughout the US and Canada.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 131 contacts → |
“SealingTech, a Parsons Company, rapidly delivers innovative, agile cybersecurity solutions that modernize, protect, and defend the networks and systems of the federal government…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Columbia, MD, United StatesReported employees: 501-1,000 | Columbia, MD, United States | 501-1,000 | Exact match | 61 contacts → |
“Sourcefire, Inc.(Nasdaq:FIRE), a world leader in intelligent cybersecurity solutions, is transforming the way global mid- to large-size organizations and government agencies…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 41 contacts → |
“CyberPoint is dedicated to advancing the discipline of cybersecurity through imagination, technical excellence, and an unparalleled passion for our work.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 35 contacts → |
“SRC Technologies, INC provides information technology (IT) consultation services to government agencies and corporations alike, specializing in secure computing services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Vintage Securityvintagesecurity.com HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 34 contacts → |
“Vintage Security is now a division of Guardian Protection.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Columbia, United StatesReported employees: 51-200 | Columbia, United States | 51-200 | Exact match | 20 contacts → |
“Enterprise Security Solutions helps data center, utility, enterprise, and government clients protect facilities, infrastructure, and personnel.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 20 contacts → |
“Ncyber ("en-cyber") is a data-driven information security company based in Columbia MD.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Secure Innovations, LLCsecure-innovations.net HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 10 contacts → |
“Our highly-skilled professionals have an average of 20+ years of experience working with, and in, the public sector.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 9 contacts → |
“White Cliffs Consulting is a small cyber intelligence and security firm providing high-end consulting and technical services in network analysis, software development and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 7 contacts → |
“Our Secure360 platform is a holistic redefinition of what world-class cybersecurity strategies can be.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Columbia, MD, United StatesReported employees: 1-10 | Columbia, MD, United States | 1-10 | Exact match | 5 contacts → |
“Greysys LLC is a small information security focused research and development company based in Maryland.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Columbia, MD, United StatesReported employees: 1-10 | Columbia, MD, United States | 1-10 | Exact match | 4 contacts → |
“Who we are Pinnacle Digital Defense Group brings together a team of elite cybersecurity experts with over twenty years of experience to defend organizations against digital…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Columbia, SC, United StatesReported employees: 1-10 | Columbia, SC, United States | 1-10 | Exact match | 3 contacts → |
“A complete set of managed and professional IT & cybersecurity services combined with governance, risk, and compliance (GRC) services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Columbia, MD, United StatesReported employees: 11-50 | Columbia, MD, United States | 11-50 | Exact match | 2 contacts → |
“Today, data has become the world’s most valuable (and vulnerable) resource.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Columbia, MD, United StatesReported employees: 1-10 | Columbia, MD, United States | 1-10 | Exact match | 2 contacts → |
“We have over 30 years of real world experience in identifying and developing innovative technologies and solutions to help meet our customers Data and Cyber Security challenges.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Columbia, MD, United StatesReported employees: 1-10 | Columbia, MD, United States | 1-10 | Exact match | 2 contacts → |
“CarbonReach is a technology company located at Columbia, MD.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | ICF Jacob & Sundstrom INCjasi.com HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 1 contacts → |
“ICF implements cyber security solutions across the public and private sectors to provide our clients support with all cybersecurity missions and protect their evolving IT…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 49 company matches
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Computer security companies: dataset insights
November 4, 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
49 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 across the whole United States list rather than for Columbia, so it is reported there. Company counts and contact totals on this page are exact for Columbia, over 49 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: November 4, 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 ↗
Computer security companies by metro in the United States
- Computer security companies in New York239
- Computer security companies in Houston126
- Computer security companies in Austin118
- Computer security companies in Atlanta114
- Computer security companies in Miami111
- Computer security companies in Chicago110
- Computer security companies in Washington105
- Computer security companies in Dallas95
- Computer security companies in Tampa86
- Computer security companies in San Francisco82
- Computer security companies in Los Angeles70
- Computer security companies in Denver65
- Computer security companies in San Diego65
- Computer security companies in Phoenix62
- Computer security companies in Las Vegas56
- Computer security companies in Boston55
- Computer security companies in Orlando55
- Computer security companies in Charlotte54
- Computer security companies in Arlington53
- Computer security companies in San Antonio51
- Computer security companies in Reston47
- Computer security companies in Seattle45
- Computer security companies in Alexandria40
- Computer security companies in Baltimore39
- Computer security companies in Sheridan38
- Computer security companies in Raleigh36
- Computer security companies in San Jose33
- Computer security companies in Fairfax32
- Computer security companies in Mclean32
- Computer security companies in Portland32
- Computer security companies in Irvine31
- Computer security companies in Indianapolis30
- Computer security companies in Huntsville29
- Computer security companies in Richmond29
- Computer security companies in Scottsdale29
- Computer security companies in Wilmington29
- Computer security companies in Fort Lauderdale28
- Computer security companies in Plano28
- Computer security companies in Ashburn27
- Computer security companies in Minneapolis27
- Computer security companies in Pittsburgh25
Questions about this company list
What does Exact match mean for computer security companies?
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 computer security companies did RevenueBase find based in Columbia, United States?
The saved snapshot records 49 matching company records, 1,942 tracked contacts and 595 verified emails. The public preview displays 19 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: November 4, 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
Computer security companies by geography
- Computer security companies based in the United States
- Computer security companies based in the United Kingdom
- Computer security companies based in Brazil
- Computer security companies based in Canada
- Computer security companies based in Germany
- Computer security companies based in Australia
- Computer security companies based in France
- Computer security companies based in Spain
- Computer security companies based in Mexico
- Computer security companies based in the Netherlands
- Computer security companies based in South Africa
- Computer security companies based in Italy
Cite this list
RevenueBase Data Team. Top 19 computer security companies based in Columbia, United States. Snapshot: November 4, 2026. https://revenuebase.ai/companies/computer-security-companies/united-states/columbia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Computer security companies based in the United States
- Computer security companies based in the United Kingdom
- Computer security companies based in Brazil
- Computer security companies based in Canada
- Computer security companies based in Germany
- Computer security companies based in Australia
Company intelligence · public preview
Top 19 computer security companies based in Columbia, United States
RevenueBase records 49 matching company records for computer security companies based in Columbia, United States, with 1,942 tracked contacts and 595 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 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 19 computer security companies based in Columbia, 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 | HQ: Columbia, MD, United StatesReported employees: 501-1,000 | Columbia, MD, United States | 501-1,000 | Exact match | 831 contacts → |
“Protect Your Endpoints, Identities, Logs, and Employees.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Columbia, SC, United StatesReported employees: 501-1,000 | Columbia, SC, United States | 501-1,000 | Exact match | 501 contacts → |
“VC3 is a managed IT and cybersecurity services provider serving organizations throughout the US and Canada.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 131 contacts → |
“SealingTech, a Parsons Company, rapidly delivers innovative, agile cybersecurity solutions that modernize, protect, and defend the networks and systems of the federal government…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Columbia, MD, United StatesReported employees: 501-1,000 | Columbia, MD, United States | 501-1,000 | Exact match | 61 contacts → |
“Sourcefire, Inc.(Nasdaq:FIRE), a world leader in intelligent cybersecurity solutions, is transforming the way global mid- to large-size organizations and government agencies…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 41 contacts → |
“CyberPoint is dedicated to advancing the discipline of cybersecurity through imagination, technical excellence, and an unparalleled passion for our work.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 35 contacts → |
“SRC Technologies, INC provides information technology (IT) consultation services to government agencies and corporations alike, specializing in secure computing services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Vintage Securityvintagesecurity.com HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 34 contacts → |
“Vintage Security is now a division of Guardian Protection.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Columbia, United StatesReported employees: 51-200 | Columbia, United States | 51-200 | Exact match | 20 contacts → |
“Enterprise Security Solutions helps data center, utility, enterprise, and government clients protect facilities, infrastructure, and personnel.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 20 contacts → |
“Ncyber ("en-cyber") is a data-driven information security company based in Columbia MD.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Secure Innovations, LLCsecure-innovations.net HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 10 contacts → |
“Our highly-skilled professionals have an average of 20+ years of experience working with, and in, the public sector.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 9 contacts → |
“White Cliffs Consulting is a small cyber intelligence and security firm providing high-end consulting and technical services in network analysis, software development and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 7 contacts → |
“Our Secure360 platform is a holistic redefinition of what world-class cybersecurity strategies can be.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Columbia, MD, United StatesReported employees: 1-10 | Columbia, MD, United States | 1-10 | Exact match | 5 contacts → |
“Greysys LLC is a small information security focused research and development company based in Maryland.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Columbia, MD, United StatesReported employees: 1-10 | Columbia, MD, United States | 1-10 | Exact match | 4 contacts → |
“Who we are Pinnacle Digital Defense Group brings together a team of elite cybersecurity experts with over twenty years of experience to defend organizations against digital…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Columbia, SC, United StatesReported employees: 1-10 | Columbia, SC, United States | 1-10 | Exact match | 3 contacts → |
“A complete set of managed and professional IT & cybersecurity services combined with governance, risk, and compliance (GRC) services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Columbia, MD, United StatesReported employees: 11-50 | Columbia, MD, United States | 11-50 | Exact match | 2 contacts → |
“Today, data has become the world’s most valuable (and vulnerable) resource.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Columbia, MD, United StatesReported employees: 1-10 | Columbia, MD, United States | 1-10 | Exact match | 2 contacts → |
“We have over 30 years of real world experience in identifying and developing innovative technologies and solutions to help meet our customers Data and Cyber Security challenges.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Columbia, MD, United StatesReported employees: 1-10 | Columbia, MD, United States | 1-10 | Exact match | 2 contacts → |
“CarbonReach is a technology company located at Columbia, MD.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | ICF Jacob & Sundstrom INCjasi.com HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 1 contacts → |
“ICF implements cyber security solutions across the public and private sectors to provide our clients support with all cybersecurity missions and protect their evolving IT…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 49 company matches
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Computer security companies: dataset insights
November 4, 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
49 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 across the whole United States list rather than for Columbia, so it is reported there. Company counts and contact totals on this page are exact for Columbia, over 49 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: November 4, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
Computer security companies by metro in the United States
- Computer security companies in New York239
- Computer security companies in Houston126
- Computer security companies in Austin118
- Computer security companies in Atlanta114
- Computer security companies in Miami111
- Computer security companies in Chicago110
- Computer security companies in Washington105
- Computer security companies in Dallas95
- Computer security companies in Tampa86
- Computer security companies in San Francisco82
- Computer security companies in Los Angeles70
- Computer security companies in Denver65
- Computer security companies in San Diego65
- Computer security companies in Phoenix62
- Computer security companies in Las Vegas56
- Computer security companies in Boston55
- Computer security companies in Orlando55
- Computer security companies in Charlotte54
- Computer security companies in Arlington53
- Computer security companies in San Antonio51
- Computer security companies in Reston47
- Computer security companies in Seattle45
- Computer security companies in Alexandria40
- Computer security companies in Baltimore39
- Computer security companies in Sheridan38
- Computer security companies in Raleigh36
- Computer security companies in San Jose33
- Computer security companies in Fairfax32
- Computer security companies in Mclean32
- Computer security companies in Portland32
- Computer security companies in Irvine31
- Computer security companies in Indianapolis30
- Computer security companies in Huntsville29
- Computer security companies in Richmond29
- Computer security companies in Scottsdale29
- Computer security companies in Wilmington29
- Computer security companies in Fort Lauderdale28
- Computer security companies in Plano28
- Computer security companies in Ashburn27
- Computer security companies in Minneapolis27
- Computer security companies in Pittsburgh25
Questions about this company list
What does Exact match mean for computer security companies?
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 computer security companies did RevenueBase find based in Columbia, United States?
The saved snapshot records 49 matching company records, 1,942 tracked contacts and 595 verified emails. The public preview displays 19 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: November 4, 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
Computer security companies by geography
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- Computer security companies based in Germany
- Computer security companies based in Australia
- Computer security companies based in France
- Computer security companies based in Spain
- Computer security companies based in Mexico
- Computer security companies based in the Netherlands
- Computer security companies based in South Africa
- Computer security companies based in Italy
Cite this list
RevenueBase Data Team. Top 19 computer security companies based in Columbia, United States. Snapshot: November 4, 2026. https://revenuebase.ai/companies/computer-security-companies/united-states/columbia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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