Company lists · Data refreshed November 2026

Top 25 Power grid security companies based in the United States

RevenueBase identified 737 company matches for power grid security companies associated with the United States as of November 2026 and tracks 14,750 professional contacts across them, including 5,960 with verified work emails. Columbia is the largest hub.

This list covers company matches for power grid security companies 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 5, 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 5, 2026 How this list was built
737Companies
14,750Contacts tracked
5,960Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest power grid security companies based in the United States

Ranked by team size
Top 25 of 737 company matches for power grid security companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 5, 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 5, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Nov 5, 2026501-1,000733 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchHanover, MD, United StatesHQ recorded Nov 5, 2026501-1,000670 contacts →

Exact match

“Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchMclean, AZ, United StatesHQ recorded Nov 5, 2026501-1,000623 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchMclean, VA, United StatesHQ recorded Nov 5, 20261,001-5,000458 contacts →

Exact match

“At Xcelerate, safeguarding the nation isn’t just a mission-it’s our obsession.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchCedar Hill, TX, United StatesHQ recorded Nov 5, 2026201-500243 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSanta Clara, CA, United StatesHQ recorded Nov 5, 20261,001-5,000243 contacts →

Exact match

“Hillstone Networks’ Integrative Cyber Security approach delivers coverage, control, and consolidation to secure digital transformation for more than enterprises worldwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchGlobally Distributed, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202651-200186 contacts →

Exact match

“Gridware is a technology company focused on protecting and enhancing the electrical grid.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchReston, VA, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
11Exact matchArlington, VA, United StatesHQ recorded Nov 5, 202651-200174 contacts →

Exact match

“We believe resilience depends on minimizing and managing the increasing risks facing the critical infrastructure and industrial systems that support our country, companies, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchEast Brunswick, NJ, United StatesHQ recorded Nov 5, 202651-200157 contacts →

Exact match

“At Accorian, we don’t just advise on compliance, we operationalize it.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchColchester, DC, United StatesHQ recorded Nov 5, 202651-200151 contacts →

Exact match

“nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchAtlanta, DC, United StatesHQ recorded Nov 5, 202651-200148 contacts →

Exact match

“From CND in the Cloud to CSfC with Enterprise Remote Capabilities, OSC Edge empowers organizations with solutions that prepare them for today and tomorrow.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchSanta Clara, CA, United StatesHQ recorded Nov 5, 2026501-1,000148 contacts →

Exact match

“Hitachi Systems Trusted Cyber Management Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchColumbia, MD, United StatesHQ recorded Nov 5, 202651-200131 contacts →

Exact match

“SealingTech, a Parsons Company, rapidly delivers innovative, agile cybersecurity solutions that modernize, protect, and defend the networks and systems of the federal government…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 5, 202651-200121 contacts →

Exact match

“TraceSecurity is a leading cybersecurity services company, providing a broad range of services and solutions in IT security compliance, risk and vulnerability management, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchChristiansburg, VA, United StatesHQ recorded Nov 5, 202651-200115 contacts →

Exact match

“Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Nov 5, 2026201-500113 contacts →

Exact match

“EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchAnnapolis, MD, United StatesHQ recorded Nov 5, 202651-200113 contacts →

Exact match

“SIXGEN provides world-class cybersecurity services and products to protect government organizations and commercial industries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchDurham, NC, United StatesHQ recorded Nov 5, 202651-200112 contacts →

Exact match

“Smart Wires helps utilities and transmission operators solve urgent grid reliability and capacity challenges by getting more from the infrastructure they already have.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchReston, VA, United StatesHQ recorded Nov 5, 202651-200108 contacts →

Exact match

“Neovera helps financial institutions and regulated organizations protect how value moves across money, data, identities, applications, and infrastructure.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchHilton Head Island, SC, United StatesHQ recorded Nov 5, 202611-50104 contacts →

Exact match

“For more than 15 years, 1FORCE has been a steadfast supporter of dynamic and demanding programs within the federal sector, with a specific focus on National Security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchDenver, CO, United StatesHQ recorded Nov 5, 202651-200102 contacts →

Exact match

“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchRapid City, SD, United StatesHQ recorded Nov 5, 202651-20098 contacts →

Exact match

“At Golden West Technologies, we go beyond providing technology solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 737 power grid security companies based in the United States

See the full list, filter by size, metro and specialty, and access 5,960 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Power grid security companies based in the United States at a glance

As of Nov 5, 2026
40.4%Verified-email coverage
20.0Average contacts per company
11-50Median size (employees)
2.7%Largest-city concentration · Columbia
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
324
11-50
282
51-200
94
201-500
18
501-1,000
8
1,001-5,000
7
5,001-10,000
2

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 737 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 “power grid security 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 5,960 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 5, 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 “power grid security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many power grid security companies are there based in the United States?

RevenueBase identified 737 company matches for power grid security companies 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 power grid security companies?

Columbia leads with 20 company records, followed by Houston (20) and Austin (19).

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 5,960 professional contacts with verified work emails tracked across these 737 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 737 power grid security companies 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.