Company lists · Data refreshed September 2026

Top 25 Security operations center service providers based in the United States

RevenueBase identified 1,800 security operations center service providers headquartered in the United States as of September 2026 and tracks 44,692 professional contacts across them, including 17,929 with verified work emails and 15,319 with mobile numbers. New York is the largest hub.

This list covers security operations center service providers headquartered in the 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 6, 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 HQ checked on every row Match evidence on every row Refreshed Sep 6, 2026 86% judged on-target in blind review
1,800Companies
44,692Contacts tracked
17,929Verified emails
15,319Mobile numbers
Explore all 1,800 companies → Free signup · no credit card · 500 free credits

The 25 largest security operations center service providers based in the United States

Ranked by team size
Top 25 of 1,800 security operations center service providers based in the United States, ranked by team size, largest first. Data refreshed Sep 6, 2026. Evidence rates how directly each company's own description names security operations center service providers: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Arctic WolfIndirect evidence
Eden Prairie, MN, United StatesHQ checked Sep 6, 20261,001-5,0003,145

“Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.”

Source: company website · checked Sep 6, 2026
2
OPTIVIndirect evidence
Leawood, KS, United StatesHQ checked Sep 6, 20261,001-5,0002,222

“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.”

Source: company website · checked Sep 6, 2026
3New Orleans, LA, United StatesHQ checked Sep 6, 20261,001-5,0001,399

“Weiser Security Services is the 11th largest security service provider in the U.S.”

Source: company website · checked Sep 6, 2026
4
Guidepoint SecurityPartial evidence
Reston, VA, United StatesHQ checked Sep 6, 20261,001-5,0001,232

“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.”

Source: company website · checked Sep 6, 2026
5
Titan Security GroupPartial evidence
Chicago, IL, United StatesHQ checked Sep 6, 20261,001-5,0001,138

“At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.”

Source: company website · checked Sep 6, 2026
6Pittsburgh, PA, United StatesHQ checked Sep 6, 20265,001-10,0001,062

“Founded in 1982, St.”

Source: company website · checked Sep 6, 2026
7
ZerofoxIndirect evidence
Baltimore, MD, United StatesHQ checked Sep 6, 2026501-1,000904

“ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.”

Source: company website · checked Sep 6, 2026
8
NetenrichStrong evidence
San Jose, CA, United StatesHQ checked Sep 6, 2026501-1,000889

“Netenrich is redefining security operations by shifting the focus from "efficiency"(speed) to "efficacy"(comprehensive coverage).”

Source: company website · checked Sep 6, 2026
9Chicago, IL, United StatesHQ checked Sep 6, 2026501-1,000874

“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.”

Source: company website · checked Sep 6, 2026
10
CyderesIndirect evidence
Kansas City, MO, United StatesHQ checked Sep 6, 20261,001-5,000844

“Today’s threatscape is relentless.”

Source: company website · checked Sep 6, 2026
11Uniontown, OH, United StatesHQ checked Sep 6, 202610001+839

Securitas knows Security.”

Source: company website · checked Sep 6, 2026
12
HuntressIndirect evidence
Columbia, MD, United StatesHQ checked Sep 6, 2026501-1,000696

“Protect Your Endpoints, Identities, Logs, and Employees.”

Source: company website · checked Sep 6, 2026
13
Network IntelligencePartial evidence
Plano, TX, United StatesHQ checked Sep 6, 2026501-1,000641

“At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.”

Source: company website · checked Sep 6, 2026
14
Ultraviolet CyberStrong evidence
Mclean, VA, United StatesHQ checked Sep 6, 2026501-1,000523

“UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…”

Source: company website · checked Sep 6, 2026
15
MeriplexIndirect evidence
Houston, TX, United StatesHQ checked Sep 6, 2026501-1,000450

“If you’re a midsize enterprise with employees (i.e, an “MSE” according to Gartner), we know what you’re going through.”

Source: company website · checked Sep 6, 2026
16Santa Clara, CA, United StatesHQ checked Sep 6, 20265,001-10,000441

“Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…”

Source: company website · checked Sep 6, 2026
17
CyberproofStrong evidence
Aliso Viejo, CA, United StatesHQ checked Sep 6, 2026501-1,000428

“CyberProof delivers threat-led (via Continuous Threat Exposure Management), co-managed security operations with the belief that better security is achieved through the right…”

Source: company website · checked Sep 6, 2026
18Denver, CO, United StatesHQ checked Sep 6, 2026201-500408

“Red Canary stops cyber threats no one else does, so organizations can fearlessly pursue their missions.”

Source: company website · checked Sep 6, 2026
19
TORQIndirect evidence
New York, NY, United StatesHQ checked Sep 6, 2026201-500359

“Torq is the AI SOC platform that combines agentic insights and automation so that enterprises can triage, investigate, and respond to actual risks, faster.”

Source: company website · checked Sep 6, 2026
20
Protos SecurityPartial evidence
Norwalk, CT, United StatesHQ checked Sep 6, 2026501-1,000304

“At Protos Security we believe in a modern security experience that never settles and dynamically adapts to the evolving needs of businesses.”

Source: company website · checked Sep 6, 2026
21
Cipher A Prosegur CompanyIndirect evidence
Miami, FL, United StatesHQ checked Sep 6, 2026201-500295

“We are Cipher, a company from the Prosegur group specializing in Cybersecurity.”

Source: company website · checked Sep 6, 2026
22Rockville Centre, NY, United StatesHQ checked Sep 6, 20261,001-5,000275

“Welcome to Doyle Security Services (DSS) where a team of responsive security professionals stands ready to meet your needs in this ever-changing business environment.”

Source: company website · checked Sep 6, 2026
23
Baxter Clewis CybersecurityIndirect evidence
Cedar Hill, TX, United StatesHQ checked Sep 6, 2026201-500255

“Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.”

Source: company website · checked Sep 6, 2026
24
LumifiPartial evidence
Scottsdale, AZ, United StatesHQ checked Sep 6, 202651-200249

“Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.”

Source: company website · checked Sep 6, 2026
25Charlotte, NC, United StatesHQ checked Sep 6, 2026201-500240

“GLS is a managed network and security services provider founded in 1998.”

Source: company website · checked Sep 6, 2026

Showing 25 of 1,800 security operations center service providers based in the United States

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Security operations center service providers based in the United States at a glance

As of Sep 6, 2026
11-50Median size (employees)
New YorkLargest hub · 41 HQs
15,319Contacts with mobile numbers
Sep 6, 2026Data refreshed

Companies by employee count

1-10
822
11-50
626
51-200
240
201-500
48
501-1,000
28
1,001-5,000
26
5,001-10,000
4
10001+
4

Verified emails by last verification

0–30
16,556
31–60
1,213
61–90
6
90–180
7
180+
147

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 security operations center service providers, 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 the United States whose own description of what they do matches “security operations center service providers”. 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 security operations center service providers, and records with no verified work email. Companies headquartered outside United States 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, 17,929 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 6, 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.

Frequently asked

How many security operations center service providers are there based in the United States?

RevenueBase identified 1,800 security operations center service providers headquartered in the 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?

Arctic Wolf, headquartered in Eden Prairie, tops this list with the largest team on record.

Which city has the most security operations center service providers?

New York leads with 41 headquartered companies, followed by Dallas (36) and Houston (36).

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 17,929 verified decision-maker contacts tracked across these 1,800 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 6, 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.