Company lists · Data refreshed October 2026

Top 25 Hardening services based in the United States

RevenueBase identified 402 company matches for hardening services associated with the United States as of October 2026 and tracks 3,915 professional contacts across them, including 1,408 with verified work emails. New York is the largest hub.

This list covers company matches for hardening 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 October 26, 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 Oct 26, 2026 How this list was built
402Companies
3,915Contacts tracked
1,408Verified emails
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The 25 largest hardening services based in the United States

Ranked by team size
Top 25 of 402 company matches for hardening services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 26, 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 matchTempe, AZ, United StatesHQ recorded Oct 26, 2026201-500348 contacts →

Exact match

“Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
2Exact matchCedar Hill, TX, United StatesHQ recorded Oct 26, 2026201-500239 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 · Oct 26, 2026 · View company records in RevenueBase
3Exact matchCincinnati, OH, United StatesHQ recorded Oct 26, 202651-200148 contacts →

Exact match

“Cadre is a network and information security solutions provider that serves large and medium-sized firms.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
4Exact matchColchester, VT, United StatesHQ recorded Oct 26, 202651-200146 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 · Oct 26, 2026 · View company records in RevenueBase
5Exact matchAlexandria, VA, United StatesHQ recorded Oct 26, 2026n/a119 contacts →

Exact match

“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
6Exact matchSeattle, WA, United StatesHQ recorded Oct 26, 202651-200112 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 · Oct 26, 2026 · View company records in RevenueBase
7Exact matchSouderton, PA, United StatesHQ recorded Oct 26, 2026201-500108 contacts →

Exact match

“Solar Atmospheres is one of the world’s largest providers of commercial vacuum heat treating services.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
8Exact matchDenver, CO, United StatesHQ recorded Oct 26, 202651-20099 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 · Oct 26, 2026 · View company records in RevenueBase
9Exact matchPhoenix, AZ, United StatesHQ recorded Oct 26, 202651-20096 contacts →

Exact match

“Global Market Innovators (GMI) delivers secure technology solutions to organizations in need.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
10Exact matchWaterloo, IA, United StatesHQ recorded Oct 26, 202651-20089 contacts →

Exact match

“Advanced Heat Treat Corp.(AHT) is a recognized leader in providing heat treat services and superior metallurgical solutions to companies across the globe.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
11Exact matchSt. Charles, IL, United StatesHQ recorded Oct 26, 202651-20072 contacts →

Exact match

“We've been serving and defending businesses since 2008 as trusted, personable guides in this complex, ever-changing, high-stakes field-MSSP Alert's Top 50 MSSPs Of 2020 -LogRhythm…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
12Exact matchWaukesha, WI, United StatesHQ recorded Oct 26, 202651-20072 contacts →

Exact match

“A privately held, commercial heat-treating company, ThermTech provides value added services to the Forging, Foundry, Machining, and Tool & Die markets.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
13Exact matchUsa, United StatesHQ recorded Oct 26, 202651-20070 contacts →

Exact match

“Latacora develops, grows, and maintains information security practices for tech-forward businesses.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
14Exact matchMadison Heights, MI, United StatesHQ recorded Oct 26, 202651-20058 contacts →

Exact match

“Curtis Metal Finishing Group is the largest heat treatment and finishing operation in North America with locations in Michigan and Illinois serving the automotive, heavy truck…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
15Exact matchMilford, CT, United StatesHQ recorded Oct 26, 202651-20051 contacts →

Exact match

“A trusted IT and cybersecurity service provider serving New England and beyond, empowering organizations to build and protect their secure future.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
16Exact matchJacksonville, FL, United StatesHQ recorded Oct 26, 202611-5048 contacts →

Exact match

“Founded in 2010, Secure Ideas is a small-business consulting firm.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
17Exact matchCumming, GA, United StatesHQ recorded Oct 26, 202611-5046 contacts →

Exact match

“Recognized for excellence in security-first IT services and compliance, Snap Tech IT delivers seamless integration into customer environments, optimizing performance, productivity…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
18Exact matchHuntsville, AL, United StatesHQ recorded Oct 26, 202611-5044 contacts →

Exact match

“H2L Solutions is a Service-Disabled Veteran-Owned Small Business (SDVOSB) and HUBZone-certified cybersecurity company headquartered in Huntsville, Alabama.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
19Exact matchSeattle, WA, United StatesHQ recorded Oct 26, 202611-5041 contacts →

Exact match

“Anvil is an information security consulting firm focused on top tier consulting.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
20Exact matchAnn Arbor, MI, United StatesHQ recorded Oct 26, 202611-5040 contacts →

Exact match

“At Dynamic Edge, we do things differently.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
21Exact matchNew York, United StatesHQ recorded Oct 26, 202611-5038 contacts →

Exact match

“Established in 2001 CalCom positioned itself as a leading provider of unique hardening automation tools that address both the needs of IT and Security teams.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
22Exact matchHerndon, VA, United StatesHQ recorded Oct 26, 202611-5037 contacts →

Exact match

“Sphinx Solutions is an entrepreneurial cyber security company that helps private- and public-sector organizations take advantage of solutions that match today’s security…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
23Exact matchBaltimore, MD, United StatesHQ recorded Oct 26, 202611-5034 contacts →

Exact match

“Companies come to ISE when they need to find and fix their security vulnerabilities and prove their tech is secure.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
24Exact matchAll Over The Us, United StatesHQ recorded Oct 26, 202611-5030 contacts →

Exact match

“With offices all over the United States and Canada, Atredis Partners was created by a number of security industry veterans who wanted to prioritize offering quality and client…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
25Exact matchChattanooga, TN, United StatesHQ recorded Oct 26, 202611-5029 contacts →

Exact match

“Industrial Plating Company has extensive expertise in the surface finishing of a wide range of industrial parts.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase

Showing 25 of 402 hardening services based in the United States

See the full list, filter by size, metro and specialty, and access 1,408 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hardening services based in the United States at a glance

As of Oct 26, 2026
36.0%Verified-email coverage
9.7Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · New York
Oct 26, 2026Page data refreshed

Companies by employee count

1-10
245
11-50
125
51-200
28
201-500
3

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 402 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 “hardening 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 1,408 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 October 26, 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 “hardening services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hardening services are there based in the United States?

RevenueBase identified 402 company matches for hardening services associated with the United States as of October 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?

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

Which city has the most hardening services?

New York leads with 10 company records, followed by Austin (8) and Miami (8).

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 1,408 professional contacts with verified work emails tracked across these 402 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 October 26, 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.