Company lists · Data refreshed September 2026
Top 25 Information security consulting firms based in Houston, United States
RevenueBase identified 170 information security consulting firms headquartered in Houston, United States as of September 2026 and tracks 1,045 professional contacts across them, including 354 with verified work emails. New York is the largest hub.
This list covers information security consulting firms headquartered in Houston, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 3, 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 information security consulting firms based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 59 | ||||
“Accredited and Veteran Owned and Operated •Cyber Security | MSSP Security Operations Center, CISO Advisory, Penetration Testing, Incident Response DFIR), and IT Security…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 2 | 53 | ||||
“Quantavenues is a premium cybersecurity consulting and managed security partner for mid-market and enterprise organizations, built for the threat landscape of 2026, not the…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 3 | 26 | ||||
“At Armexa, we protect what matters most.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 4 | 24 | ||||
“Several years ago as cyber threats were becoming more and more advanced, we decided to search for a cybersecurity partner to help protect our client’s sensitive data and our…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 5 | Neorhino IT SolutionsIndirect evidence | 22 | |||
“Born in 1998 during the dot-com bubble, neoRhino has evolved into a leading, innovative provider of business technology solutions.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 6 | 21 | ||||
“Set Solutions delivers advanced Cybersecurity consulting, solution integration and procurement solutions tailored to Commercial, Enterprise, Government and Educational customers.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 7 | 19 | ||||
“Enstep Technology Solutions | IT That Works for You At Enstep Technology Solutions, we go beyond traditional IT support-we are your strategic technology partner, helping…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 8 | ThinopsPartial evidence | 17 | |||
“ThinOps provides technology consulting services around architecture, implementation, migrations, maintenance, or managed services for enterprise deployments particularly…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 9 | K3des LLCPartial evidence | 15 | |||
“K3DES is one of the top ten Payment Card Industry consulting firms in the US.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 10 | 14 | ||||
“About TK We are an SAP Security & Compliance Consulting and Technical Staffing firm that specializes in a wide variety of Engineering Recruiting ranging from Civil, Oil & Gas…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 11 | 14 | ||||
“Santcore Technologies is a multidisciplinary IT consulting and solutions firm specializing in cybersecurity, GRC, cloud architecture, application security, digital transformation…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 12 | 14 | ||||
“Ikon Tech is a highly regarded cybersecurity and IT infrastructure management company that provides comprehensive solutions to businesses of all sizes as they strive for digital…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 | ||||
“AARC Consultants serves businesses and governmental entities by conducting third party Risk and Resilience assessments, identifying Cyber Security vulnerabilities, developing…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 14 | 11 | ||||
“At Intelos, we drive meaningful change, revolutionizing business capabilities through high-quality IT services.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 15 | 9 | ||||
“NGNSYS (Next Generation Network Systems) is an advanced technology consulting firm specializing in cybersecurity, managed services, data center designs (Arista and Cisco Nexus…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 16 | Swailes & Company, INCStrong evidence | 9 | |||
“Swailes & Company is a licensed investigative and security consulting company headquartered in Houston, Texas.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9 | ||||
“Anuva Labs, Your AI Transformation Partner At Anuva Labs, we believe every organization deserves a clear, confident path into the AI era.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 18 | 8 | ||||
“Delivering Predictable IT - Because you shouldn't have to worry about your IT environment.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8 | ||||
“DAAKYI is a cybersecurity, digital trust, and infrastructure innovation company built to secure the modern digital economy.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 20 | Triad InfosecIndirect evidence | 8 | |||
“In a world where cyber threats never sleep, Triad InfoSec delivers battle-tested solutions built on decades of real-world defense and military precision.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 | ||||
“RevelSec, a Dataprise company, provides a full-suite of solutions and services.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 | ||||
“H5 Strategic Alliances seeks to defend an organization’s infrastructure against cybersecurity threats and vulnerabilities.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 23 | 7 | ||||
“Rapid Response in a Rapidly Changing World We are on a mission to be the premier provider of IT Security and IT Integration services.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 | ||||
“ErascoGroup are highly experienced security experts from multiple industries and back grounds.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 25 | 7 | ||||
“Our mission is simple:"Be the Best of the Best".” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 170 information security consulting firms based in Houston, United States
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Information security consulting firms based in Houston, United States at a glance
As of Sep 3, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 170 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among information security consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Houston, United States whose own description of what they do matches “information security consulting firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among information security consulting firms, and records with no verified work email. Companies headquartered outside Houston are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 354 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 3, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Information security consulting firms by metro in the United States
- Information security consulting firms in New York265
- Information security consulting firms in Washington172
- Information security consulting firms in Houston170
- Information security consulting firms in Atlanta160
- Information security consulting firms in Austin134
- Information security consulting firms in Miami129
- Information security consulting firms in Dallas127
- Information security consulting firms in Chicago122
- Information security consulting firms in San Francisco110
- Information security consulting firms in Tampa102
- Information security consulting firms in Los Angeles90
- Information security consulting firms in San Diego86
- Information security consulting firms in Arlington75
- Information security consulting firms in Boston75
- Information security consulting firms in Denver72
- Information security consulting firms in Seattle72
- Information security consulting firms in Charlotte70
- Information security consulting firms in San Antonio67
- Information security consulting firms in Orlando65
- Information security consulting firms in Phoenix65
- Information security consulting firms in Alexandria64
- Information security consulting firms in Columbia57
- Information security consulting firms in Reston53
- Information security consulting firms in Las Vegas52
- Information security consulting firms in Raleigh50
- Information security consulting firms in Ashburn45
- Information security consulting firms in Baltimore44
- Information security consulting firms in Portland41
- Information security consulting firms in Fairfax40
- Information security consulting firms in Nashville40
- Information security consulting firms in Scottsdale40
- Information security consulting firms in Columbus39
- Information security consulting firms in Mclean39
- Information security consulting firms in Plano38
- Information security consulting firms in Huntsville37
- Information security consulting firms in Minneapolis37
- Information security consulting firms in Richmond36
- Information security consulting firms in Indianapolis34
- Information security consulting firms in Pittsburgh34
- Information security consulting firms in San Jose34
- Information security consulting firms in Sheridan32
- Information security consulting firms in Colorado Springs31
- Information security consulting firms in Herndon31
- Information security consulting firms in Philadelphia31
- Information security consulting firms in Sacramento31
- Information security consulting firms in Fort Lauderdale29
- Information security consulting firms in Rockville27
- Information security consulting firms in Wilmington27
- Information security consulting firms in Frisco26
- Information security consulting firms in Vienna26
Frequently asked
How many information security consulting firms are there based in Houston, United States?
RevenueBase identified 170 information security consulting firms headquartered in Houston, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Scis Security, headquartered in Houston, tops this list with the largest team on record.
Which city has the most information security consulting firms?
New York leads with 265 headquartered companies, followed by Washington (172) and Houston (170).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 354 verified decision-maker contacts tracked across these 170 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 3, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase 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.
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