Company lists · Data refreshed September 2026

Top 25 Manufacturing security consulting firms based in the United States

Name: Manufacturing security consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 3,014 companies tracked

RevenueBase identified 3,014 company matches for manufacturing security consulting firms associated with the United States as of September 2026 and tracks 52,684 professional contacts across them, including 13,553 with verified work emails. New York is the largest hub.

This list covers company matches for manufacturing security consulting firms 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 September 28, 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 Sep 28, 2026 How this list was built

3,014Companies

52,684Contacts tracked

13,553Verified emails

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The 25 largest manufacturing security consulting firms based in the United States

Ranked by team size

Top 25 of 3,014 company matches for manufacturing security consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Convergint	Exact match	Hoffman Estates, IL, United StatesHQ recorded Sep 28, 2026	10001+	5,707 contacts →
	Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	U.S. Security Associates, INC	Exact match	Roswell, GA, United StatesHQ recorded Sep 28, 2026	10001+	3,592 contacts →
	Exact match “U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Security Industry Specialists	Exact match	Culver City, CA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	2,500 contacts →
	Exact match “The industry leader in security, Security Industry Specialists offers unique solutions to Fortune 500 companies, international events, and celebrity clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Guardsmark	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	10001+	1,375 contacts →
	Exact match “Guardsmark, LLC provides security services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Titan Security Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,138 contacts →
	Exact match “At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	St. Moritz Security Services, INC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,062 contacts →
	Exact match “Founded in 1982, St.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Brosnan Risk Consultants	Exact match	Pearl River, NY, United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,050 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 · Sep 28, 2026 · View company records in RevenueBase
8	Security 101	Exact match	West Palm Beach, FL, United StatesHQ recorded Sep 28, 2026	501-1,000	849 contacts →
	Exact match “Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Northeast Security INC	Exact match	Westwood, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	748 contacts →
	Exact match “Improving Security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Professional Security Consultants, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	626 contacts →
	Exact match “Professional Security Consultants, Inc.(PSC) is a world-class provider of security guard services, patrol, investigations, backgrounds, consulting, security screening & specialty…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	MSA Security	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	10001+	571 contacts →
	Exact match “Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Security Alliance	Exact match	Miami, FL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	553 contacts →
	Exact match “Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	American Guard Services, INC	Exact match	Gardena, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	484 contacts →
	Exact match “American Guard Services is an established, reliable and accredited security protection firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	United Security, Inc. USI	Exact match	Red Bank, NJ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	416 contacts →
	Exact match “United Security Inc.(USI) provides personalized security solutions enhanced by advanced technology and cyber services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	American Security & Investigations	Exact match	St. Paul, MN, United StatesHQ recorded Sep 28, 2026	1,001-5,000	404 contacts →
	Exact match “American Security & Investigations has provided security and investigative services throughout the upper midwest since 1959.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Doyle Security Services, Inc. DSS	Exact match	Rockville Centre, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	275 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	GSG Protective Services	Exact match	Lawndale, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	271 contacts →
	Exact match “GSG Protective Services is a full-service provider of quality security services specializing in 6 divisions: investigations, physical security, protective services, technology…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Guidepost Solutions	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	201-500	268 contacts →
	Exact match “We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Northland Controls	Exact match	Fremont, CA, United StatesHQ recorded Sep 28, 2026	201-500	263 contacts →
	Exact match “Northland Controls designs, installs, manages and harmonizes physical security systems across the globe with unparalleled services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Baxter Clewis Cybersecurity	Exact match	Cedar Hill, TX, United StatesHQ recorded Sep 28, 2026	201-500	255 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 · Sep 28, 2026 · View company records in RevenueBase
21	VMD Corp	Exact match	Mclean, VA, United StatesHQ recorded Sep 28, 2026	501-1,000	254 contacts →
	Exact match “About VMD VMD, now a part of Xcelerate Solutions, is a leading defense and national security company, delivering integrated solutions in enterprise security, strategic consulting…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Global Guardian	Exact match	Mclean, VA, United StatesHQ recorded Sep 28, 2026	201-500	251 contacts →
	Exact match “Global Guardian's team of experienced subject matter experts build tailored security programs to mitigate risk and provide positive outcomes to a range of threats at home and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Orion Security Solutions	Exact match	Edmond, OK, United StatesHQ recorded Sep 28, 2026	51-200	250 contacts →
	Exact match “Orion Security Systems (OSS) provides elite technical, physical, and cyber security solutions for customers with simple to complex needs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Wittenbach	Exact match	Sparks, MD, United StatesHQ recorded Sep 28, 2026	201-500	244 contacts →
	Exact match “For over 50 years, Wittenbach has been a trusted leader in advanced security solutions in financial and commercial industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Tricorps	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 28, 2026	501-1,000	235 contacts →
	Exact match “TriCorps is an integrated security and technology firm that specializes in providing cost effective, world-class services tailored to meeting the needs of our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “manufacturing security consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 3,014 manufacturing security consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 13,553 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Manufacturing security consulting firms based in the United States at a glance

As of Sep 28, 2026

25.7%Verified-email coverage

17.5Average contacts per company

1-10Median size (employees)

2.8%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

1,732

11-50

857

51-200

271

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 3,014 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 “manufacturing security consulting firms” 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 13,553 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 September 28, 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.

Manufacturing security consulting firms by metro

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 “manufacturing security consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many manufacturing security consulting firms are there based in the United States?

RevenueBase identified 3,014 company matches for manufacturing security consulting firms associated with the United States as of September 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?

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

Which city has the most manufacturing security consulting firms?

New York leads with 83 company records, followed by Houston (60) and Washington (51).

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 13,553 professional contacts with verified work emails tracked across these 3,014 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 September 28, 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.