Company lists · Data refreshed September 2026

Top 21 Cybersecurity system integrators based in Seattle, United States

Name: Cybersecurity system integrators based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 50 companies tracked

RevenueBase identified 50 company matches for cybersecurity system integrators associated with Seattle, United States as of September 2026 and tracks 18,994 professional contacts across them, including 7,628 with verified work emails. Across the United States, New York is the largest hub for this category (208 companies); Seattle has 50.

This list covers company matches for cybersecurity system integrators associated with Seattle, 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 28, 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 28, 2026 How this list was built

50Companies

18,994Contacts tracked

7,628Verified emails

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The 21 largest cybersecurity system integrators based in Seattle, United States

Ranked by team size

Top 21 of 50 company matches for cybersecurity system integrators based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Watchguard Technologies	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,059 contacts →
	Exact match “WatchGuard® Technologies, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Absolute Security	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	501-1,000	794 contacts →
	Exact match “Absolute Security is partnered with more than 28 of the world’s leading endpoint device manufacturers, embedded in the firmware of 600 million devices, trusted by global…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Ioactive, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	51-200	107 contacts →
	Exact match “IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Kalles Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	36 contacts →
	Exact match “Kalles Group partners with CIOs, CISOs, and security leaders to strengthen security programs, reduce operational risk, and build resilience during periods of change.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Mirai Security	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	27 contacts →
	Exact match “We are a cybersecurity company specializing in governance, risk management and compliance, Cloud Security, and Application Security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Swat Systems	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “SWAT Systems is now Convergence Networks!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Region 6 Systems Integration	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “We are a West Coast electronic systems integrator serving locations nationwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Phishcloud INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	13 contacts →
	Exact match “PhishCloud's OT/IT Cyber Fusion Strategies unify industrial and enterprise cybersecurity into a centralized, operationally-aware capability.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Airopath	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “Airopath takes pride in being a leader in mobility and security solutions for clients worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Corbel Solutions, LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “Established in 2003, based in Seattle Washington, Corbel Solutions is an elite Enterprise hardware reseller and systems integrator.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Vivid Technical Consulting LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Vivid Technical Consulting makes cybersecurity compliance achievable for every contractor in the defense industrial base.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Security Research Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “Security Research Group provides military-grade cybersecurity solutions, specializing in threat detection, compliance, incident response, and custom cyber strategies to protect…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Differential Networks	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “We are an IT consulting team that partners with clients to elevate their IT security skills and knowledge in crafting, deploying, and supporting intelligent and leading-edge IP…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Crystal Peak Security	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “A small, surgical team of security specialists with deep expertise in embedded systems, IoT, and connected hardware.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Enterprise Control Systems	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “ECS is headquartered in Seattle, WA with additional offices in San Jose CA, Phoenix AZ and Portland OR.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Stepfar Technology Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	1 contacts →
	Exact match “At Stepfar Technology Group, we are dedicated to empowering businesses with cutting-edge technology solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Seattlepro Enterprises	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	1 contacts →
	Exact match “SeattlePro Enterprises is a close-knit team of creative visionaries offering companies the guidance and education professionals need to stay competitive in today's market.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Aorca IT Services & Software	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “At Aorca, we deliver reliable, secure, and strategic IT services designed to help businesses thrive in an increasingly digital world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Fretwork Security Advisors	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “Fretwork Security Advisors is a consultancy dedicated to delivering multi-disciplinary advisory services to clients in the executive suite.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Cyber BOX Security	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “We are a small burgeoning cyber security company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Devsecflow	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “DevSecFlow is at the forefront of enterprise-grade cybersecurity solutions, specializing in secure product and software development.” Recorded in the RevenueBase company graph · Sep 28, 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 “cybersecurity system integrators”. 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 21 of 50 cybersecurity system integrators based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 7,628 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity system integrators based in Seattle, United States at a glance

As of Sep 28, 2026

40.2%Verified-email coverage

379.9Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

10001+

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 50 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 Seattle, United States whose business descriptions match “cybersecurity system integrators” 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 7,628 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 28, 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.

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

How many cybersecurity system integrators are there based in Seattle, United States?

RevenueBase identified 50 company matches for cybersecurity system integrators associated with Seattle, 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?

Watchguard Technologies 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 cybersecurity system integrators?

New York leads the United States with 208 company records, followed by Houston (142) and Washington (135). Seattle has 50.

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 7,628 professional contacts with verified work emails tracked across these 50 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 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 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.