Skip to main content

Company lists · Data verified August 2026

Top 25 Cybersecurity investigation companies based in the United States

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 3,975 companies tracked

There are 3,975 cybersecurity investigation companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 82,526 professional contacts across them, including 28,481 with verified work emails and 24,118 with mobile numbers. New York is the largest hub.

This list covers cybersecurity investigation companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

3,975Companies
82,526Contacts tracked
28,481Verified emails
24,118Mobile numbers
Unlock all 3,975 companies Free account · no credit card · 2 minutes

The 25 largest cybersecurity investigation companies based in the United States

Ranked by team size
Top 25 of 3,975 cybersecurity investigation companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1SymantecSan Jose, CA10001+11,179876
2TrellixPlano, TX1,001-5,0003,4901,633
3OPTIVChantilly, VA1,001-5,0002,2061,422
4BitdefenderFort Lauderdale, FL1,001-5,0002,1411,230
5BarracudaAlpharetta, GA1,001-5,0002,1081,463
6Paragon Systems INCHerndon, VA10001+1,94675
7ReliaquestSandy, UT1,001-5,0001,252980
8Thales Cybersecurity ProductsAustin, TX1,001-5,0001,252645
9Guidepoint SecurityTampa, FL1,001-5,0001,234809
10CellebriteParsippany1,001-5,0001,223902
11CoalfireChicago, IL1,001-5,000960613
12Omniplex World Services CorporationHerndon, VA1,001-5,000682137
13Telos CorporationLas Vegas, NV501-1,000636230
14VikingcloudChicago, IL1,001-5,000618436
15Ultraviolet CyberPhoenix, AZ501-1,000517258
16Guidance SoftwareLas Vegas, NV501-1,00049640
17SecurityhqNew York, NY501-1,000492279
18Kudelski SecurityIrving, TX201-500404201
19RED Canary, A Zscaler CompanyDenver, CO201-500402270
20NovacoastArlington, TX201-500378203
21horizon3.aiDurham, NC201-500356246
22PenlinkLincoln, NE201-500337191
23VcheckNew York, NY201-500322173
24Security Risk AdvisorsPhiladelphia, PA201-500311216
25LogicallyDanbury, CT201-500307203

Showing 25 of 3,975 cybersecurity investigation companies based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 28,481 reachable decision-makers.

Free account · no credit card

See all 3,975 companies

Cybersecurity investigation companies based in the United States at a glance

As of Aug 28, 2026
1-10Median size (employees)
New YorkLargest hub · 136 HQs
24,118Contacts with mobile numbers
61Emails re-verified in last 30 days

Companies by employee count

1-10
2,244
11-50
1,223
51-200
359
201-500
83
501-1,000
21
1,001-5,000
26
10001+
4

Cybersecurity investigation companies by metro

MetroCompanies
Cybersecurity investigation companies in New York136
Cybersecurity investigation companies in Washington84
Cybersecurity investigation companies in Atlanta75
Cybersecurity investigation companies in Miami75
Cybersecurity investigation companies in Austin63
Cybersecurity investigation companies in Chicago62
Cybersecurity investigation companies in San Francisco62

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “cybersecurity investigation companies”, with match quality audited by blind human judging, and headquartered in the United States.
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
Contact records re-verify on a rolling cadence; 61 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cybersecurity investigation companies are there based in the United States?

There are 3,975 cybersecurity investigation companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Symantec, headquartered in San Jose, tops this list with the largest team on record.

Which city has the most cybersecurity investigation companies?

New York leads with 136 headquartered companies, followed by Washington (84) and Atlanta (75).

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 28,481 verified decision-maker contacts tracked across these 3,975 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 3,975 cybersecurity investigation companies based in the United States. Start with a free account, no credit card.

Get the full list

Related lists

Browse: Companies home · All United States lists · All Cybersecurity investigation companies lists · New lists

About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.

More company lists