Company lists · Data refreshed September 2026

Top 24 Defence cybersecurity companies based in Tampa, United States

Name: Defence cybersecurity companies based in Tampa, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 40 companies tracked

RevenueBase identified 40 company matches for defence cybersecurity companies associated with Tampa, United States as of September 2026 and tracks 2,159 professional contacts across them, including 877 with verified work emails. Across the United States, New York is the largest hub for this category (101 companies); Tampa has 40.

This list covers company matches for defence cybersecurity companies associated with Tampa, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built

40Companies

2,159Contacts tracked

877Verified emails

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The 24 largest defence cybersecurity companies based in Tampa, United States

Ranked by team size

Top 24 of 40 company matches for defence cybersecurity companies based in Tampa, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Opswat	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	501-1,000	1,119 contacts →
	Exact match “OPSWAT protects critical infrastructure.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Trace Systems INC	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	201-500	319 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	NTG	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	51-200	236 contacts →
	Exact match “NTG is where excellence meets innovation.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Digital Hands	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	51-200	73 contacts →
	Exact match “Digital Hands is a managed service provider built for the real world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Cyberglobal	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	51-200	64 contacts →
	Exact match “CyberGlobal is the first and only cybersecurity franchise in the world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Venatôre	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	51-200	57 contacts →
	Exact match “Venatôre LLC provides secure, integrated, and mission-ready technology solutions to U.S.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Concertium	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	11-50	55 contacts →
	Exact match “Concertium is a complete cybersecurity partner equipped with the expertise and services to deliver end-to-end visibility and protection from evolving cyber threats.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Streamline Defense	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	51-200	34 contacts →
	Exact match “Streamline Defense delivers cutting-edge intelligence, cyber, and mission support solutions that outpace threats and drive operational advantage across defense and national…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Tmpc INC	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	51-200	31 contacts →
	Exact match “Minority and veteran owned, TMPC is a small business tasked with top-level cybersecurity for numerous agencies in the federal government.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Navisec	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	11-50	17 contacts →
	Exact match “NaviSec empowers clients to obtain a higher level of IT security with uncommon clarity, flexibility, and confidence in an the ever-changing cyber security landscape through a…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	ZORUS	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	11-50	11 contacts →
	Exact match “Zorus Filtering with CyberSightTM is a next-gen cybersecurity solution, combining device-based DNS filtering with robust behavioral insights, designed by industry veterans.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Aerobyte Cyber Defense	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	11-50	10 contacts →
	Exact match “Aerobyte's mission is to remove the Wild Wild West from the World Wide Web.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	United ONE Communications	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	11-50	7 contacts →
	Exact match “United One Communications is a technology solutions provider delivering secure, innovative, and mission-focused capabilities to government and enterprise organizations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	LTI Global	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	11-50	4 contacts →
	Exact match “LTI Global is a leading provider of cutting-edge cybersecurity solutions, catering to the healthcare, energy, logistics, and maritime industries hyperfocused on protecting IT…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Launch GIG Your Search Starts Here	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	1-10	4 contacts →
	Exact match “Launch Gig is a Cybersecurity company serving Cyber security professionals.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Opsec360 LLC	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	1-10	3 contacts →
	Exact match “OPSEC360 provides a holistic solution for your business security concerns.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Marcelle Consultants	Exact match	Tampa, United StatesHQ recorded Sep 21, 2026	11-50	3 contacts →
	Exact match “Marcelle Consultants, a certified Small Business founded in 2012, provides customized end-to-end cybersecurity solutions to meet small and medium-sized organization’s needs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Goldsky Cyber Security	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	11-50	3 contacts →
	Exact match “GoldSky is a full service cyber security solutions firm that is privately owned and operated out of Tampa, Florida with resources in Orlando, Denver, Nashville, Boston, Washington…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Alca IT Solutions, INC	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	11-50	2 contacts →
	Exact match “ALCA IT Solutions, Inc (ALCA), established in 2015, is a minority and disabled-veteran owned full service Information Technology (IT) provider of highly qualified IT professionals…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Trifident	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	1-10	2 contacts →
	Exact match “Our services are delivered by professionals with real-world experience spanning US Government, Fortune 200, and critical infrastructure cyber operations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Adsevero, LLC	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	1-10	2 contacts →
	Exact match “Adsevero, LLC is one of the fastest growing cyber security integrators in the United States.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Cyqual Cybersecurity	Exact match	Tampa, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “Cyqual provides cybersecurity advisory and engineering services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Arruda Group	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “The ARRUDA Group (AG) was founded by a team of senior executives who have years of experience at all levels of federal law enforcement, the intelligence community and the military.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	CSG Cyber Veteran Owned	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “Cybersecurity services and products for all industries.” 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 “defence cybersecurity 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 24 of 40 defence cybersecurity companies based in Tampa, United States

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Defence cybersecurity companies based in Tampa, United States at a glance

As of Sep 21, 2026

40.6%Verified-email coverage

54.0Average contacts per company

11-50Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Tampa, so it is reported there. Company counts and contact totals on this page are exact for Tampa, over 40 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 Tampa, United States whose business descriptions match “defence cybersecurity 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 877 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.

Defence cybersecurity companies by metro in the United States

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 “defence cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many defence cybersecurity companies are there based in Tampa, United States?

RevenueBase identified 40 company matches for defence cybersecurity companies associated with Tampa, 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?

Opswat 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 defence cybersecurity companies?

New York leads the United States with 101 company records, followed by Washington (87) and Austin (71). Tampa has 40.

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 877 professional contacts with verified work emails tracked across these 40 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.

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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.