Company lists · Data refreshed September 2026
Top 13 Cybersecurity compliance firms based in Columbia, United States
RevenueBase identified 32 cybersecurity compliance firms headquartered in Columbia, United States as of September 2026 and tracks 379 professional contacts across them, including 56 with verified work emails. Across the United States, New York is the largest hub for this category (120 companies); Columbia has 32.
This list covers cybersecurity compliance firms headquartered in Columbia, 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 13 largest cybersecurity compliance firms based in Columbia, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 119 contacts → | ||||
Partial evidence “SealingTech, a Parsons Company, rapidly delivers innovative, agile cybersecurity solutions that modernize, protect, and defend the networks and systems of the federal government…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 63 contacts → | ||||
Partial evidence “Sourcefire, Inc.(Nasdaq:FIRE), a world leader in intelligent cybersecurity solutions, is transforming the way global mid- to large-size organizations and government agencies…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 34 contacts → | ||||
Partial evidence “CyberPoint is dedicated to advancing the discipline of cybersecurity through imagination, technical excellence, and an unparalleled passion for our work.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 13 contacts → | ||||
Indirect evidence “Our highly-skilled professionals have an average of 20+ years of experience working with, and in, the public sector.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 9 contacts → | ||||
Indirect evidence “White Cliffs Consulting is a small cyber intelligence and security firm providing high-end consulting and technical services in network analysis, software development and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 8 contacts → | ||||
Indirect evidence “Cyber Protection Services is a certified SDVOSB dedicated to protecting businesses against the cyber threats that evolve daily.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 8 contacts → | ||||
Indirect evidence “Shield 7 operates as a Veteran Owned consulting firm and VAR based in Maryland.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 5 contacts → | ||||
Indirect evidence “Are you concerned about risky, vulnerable embedded firmware in IoT devices, connected medical devices, automotive ECUs and industrial control systems?” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 3 contacts → | ||||
Indirect evidence “We design, build and support networks for small to medium businesses.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 3 contacts → | ||||
Indirect evidence “Greysys LLC is a small information security focused research and development company based in Maryland.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 2 contacts → | ||||
Partial evidence “Panoptcy Security is a cybersecurity firm that combines high-level talent, advanced tools, interdisciplinary models, and data science to advance cyber resiliency.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 1 contacts → | ||||
Strong evidence “IT Phalanx is a cybersecurity compliance firm specializing in NIST 800-171 and CMMC Level 1 & 2 compliance.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1 contacts → | ||||
Partial evidence “Many small businesses avoid cybersecurity because they are overwhelmed or by it, or because they feel uncertain, assuming they are protected.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: cybersecurity compliance firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names cybersecurity compliance firms.
- Partial evidence
- Its own public description names part of cybersecurity compliance firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cybersecurity compliance firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 13 of 32 cybersecurity compliance firms based in Columbia, United States
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Cybersecurity compliance firms based in Columbia, United States at a glance
As of Sep 28, 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 32 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 cybersecurity compliance firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Columbia, United States whose own description of what they do matches “cybersecurity compliance firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cybersecurity compliance firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among cybersecurity compliance firms, and records with no verified work email. Companies headquartered outside Columbia 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 its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 56 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 28, 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.
Cybersecurity compliance firms by metro in the United States
- Cybersecurity compliance firms in New York120
- Cybersecurity compliance firms in Washington94
- Cybersecurity compliance firms in Atlanta91
- Cybersecurity compliance firms in Tampa86
- Cybersecurity compliance firms in Houston75
- Cybersecurity compliance firms in Dallas73
- Cybersecurity compliance firms in Austin71
- Cybersecurity compliance firms in Chicago69
- Cybersecurity compliance firms in San Francisco65
- Cybersecurity compliance firms in Miami51
- Cybersecurity compliance firms in San Diego48
- Cybersecurity compliance firms in Arlington42
- Cybersecurity compliance firms in Boston41
- Cybersecurity compliance firms in Los Angeles41
- Cybersecurity compliance firms in Reston38
- Cybersecurity compliance firms in Charlotte36
- Cybersecurity compliance firms in Denver32
- Cybersecurity compliance firms in Phoenix32
- Cybersecurity compliance firms in Seattle32
- Cybersecurity compliance firms in Las Vegas31
- Cybersecurity compliance firms in San Antonio30
- Cybersecurity compliance firms in Alexandria27
- Cybersecurity compliance firms in Baltimore27
- Cybersecurity compliance firms in Fairfax27
- Cybersecurity compliance firms in Raleigh27
- Cybersecurity compliance firms in Huntsville26
- Cybersecurity compliance firms in Orlando26
- Cybersecurity compliance firms in Portland25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cybersecurity compliance firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many cybersecurity compliance firms are there based in Columbia, United States?
RevenueBase identified 32 cybersecurity compliance firms headquartered in Columbia, 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?
Sealing Technologies, A Parsons Company, headquartered in Columbia, tops this list with the largest team on record.
Which city in the United States has the most cybersecurity compliance firms?
New York leads the United States with 120 headquartered companies, followed by Washington (94) and Atlanta (91). Columbia has 32.
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 56 verified decision-maker contacts tracked across these 32 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 28, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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