Company lists · Data refreshed November 2026

Top 25 Incident response consulting services based in the United States

RevenueBase identified 1,518 company matches for incident response consulting services associated with the United States as of November 2026 and tracks 18,424 professional contacts across them, including 7,349 with verified work emails. New York is the largest hub.

This list covers company matches for incident response consulting services associated with the 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 November 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,518Companies
18,424Contacts tracked
7,349Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest incident response consulting services based in the United States

Ranked by team size
Top 25 of 1,518 company matches for incident response consulting services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchReston, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,346 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMorrisville, NC, United StatesHQ recorded Nov 6, 2026501-1,0001,244 contacts →

Exact match

“IEM is a professional services firm dedicated to building a safe, secure, and resilient world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPearl River, CA, United StatesHQ recorded Nov 6, 20265,001-10,0001,080 contacts →

Exact match

“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMemphis, TN, United StatesHQ recorded Nov 6, 2026501-1,000813 contacts →

Exact match

“EFI Global is a multidisciplinary consulting firm that helps clients investigate, assess and resolve complex property, infrastructure and financial challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 20265,001-10,000510 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 20261,001-5,000505 contacts →

Exact match

“Cybereason, a LevelBlue company, is a global cybersecurity leader delivering advanced endpoint detection and response (EDR) and industry recognized consulting services to support…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchEvanston, United StatesHQ recorded Nov 6, 2026201-500461 contacts →

Exact match

“For over twenty years, Hagerty Consulting has supported clients in preparing for, responding to, and recovering from some of the nation’s largest and most complex disasters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchUtica, AK, United StatesHQ recorded Nov 6, 2026501-1,000382 contacts →

Exact match

“The impact of disasters-natural or otherwise-can leave even the most robust entities vulnerable, causing uncertainty over their future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-200356 contacts →

Exact match

“For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202651-200298 contacts →

Exact match

“CENTEGIX is the leader in incident response solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSarasota, CA, United StatesHQ recorded Nov 6, 2026201-500277 contacts →

Exact match

“Founded in 1976, Ceres Environmental Services, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchScottsdale, AZ, United StatesHQ recorded Nov 6, 202651-200243 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNorth Little Rock, LA, United StatesHQ recorded Nov 6, 2026201-500241 contacts →

Exact match

“CTEH, LLC's purpose is preparing for and responding to a company's or community’s worst day.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMaitland, FL, United StatesHQ recorded Nov 6, 202651-200226 contacts →

Exact match

“Thompson Consulting Services is a full service emergency response, disaster recovery and grant management consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchGlobally Distributed, United StatesHQ recorded Nov 6, 2026201-500190 contacts →

Exact match

“With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchReston, VA, United StatesHQ recorded Nov 6, 20261,001-5,000180 contacts →

Exact match

“MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPlano, TX, United StatesHQ recorded Nov 6, 202651-200169 contacts →

Exact match

“Armor is a global leader in cloud-native managed detection and response.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWest Hartford, CT, United StatesHQ recorded Nov 6, 202651-200163 contacts →

Exact match

“Beazley Security is a global cyber risk management firm committed to helping clients develop true cyber resilience, improving their ability to withstand and recover from any…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 2026501-1,000158 contacts →

Exact match

“CERT® Mission: Anticipating and Solving the Nation’s Cybersecurity Challenges We were there for the first internet security incident and we’re still here 25 years later.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDenver, TX, United StatesHQ recorded Nov 6, 202651-200153 contacts →

Exact match

“AC Disaster Consulting offers emergency management advisory and consulting services for private entities; non-profit organizations; and federal, state, local, and tribal…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCypress, AK, United StatesHQ recorded Nov 6, 202651-200149 contacts →

Exact match

“The Response Group is dedicated to delivering superior products and services to the Emergency Response Community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“Solis is a leading provider of managed cyber security services and cyber incident response.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFairlawn, OH, United StatesHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“TrustedSec is an end-to-end security consulting company that provides customized services to build client-defined success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchTampa, TN, United StatesHQ recorded Nov 6, 202651-20092 contacts →

Exact match

“GLE Associates is an environmental, facilities, industrial hygiene, and construction consulting firm, headquartered in Tampa, Florida, with offices throughout Florida and the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAlpharetta, GA, United StatesHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“iParametrics is a recognized leader in emergency management, homeland security, program management, and cost engineering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,518 incident response consulting services based in the United States

See the full list, filter by size, metro and specialty, and access 7,349 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Incident response consulting services based in the United States at a glance

As of Nov 6, 2026
39.9%Verified-email coverage
12.1Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,038
11-50
329
51-200
115
201-500
14
501-1,000
7
1,001-5,000
7
5,001-10,000
2
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,518 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 the United States whose business descriptions match “incident response consulting services” 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 7,349 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 November 6, 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.

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 “incident response consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many incident response consulting services are there based in the United States?

RevenueBase identified 1,518 company matches for incident response consulting services associated with the United States as of November 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?

Guidepoint Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most incident response consulting services?

New York leads with 37 company records, followed by Houston (35) and Washington (31).

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 7,349 professional contacts with verified work emails tracked across these 1,518 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,518 incident response consulting services based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.