Company lists · Data refreshed October 2026

Top 25 Card access system suppliers based in the United States

Name: Card access system suppliers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 23, 2026 1,143 companies tracked

RevenueBase identified 1,143 company matches for card access system suppliers associated with the United States as of October 2026 and tracks 17,642 professional contacts across them, including 5,391 with verified work emails. New York is the largest hub.

This list covers company matches for card access system suppliers 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 23, 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 23, 2026 How this list was built

1,143Companies

17,642Contacts tracked

5,391Verified emails

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The 25 largest card access system suppliers based in the United States

Ranked by team size

Top 25 of 1,143 company matches for card access system suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 23, 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	Automated Systems Design, INC	Exact match	Alpharetta, GA, United StatesHQ recorded Oct 23, 2026	n/a	2,739 contacts →
	Exact match “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
2	Security 101	Exact match	West Palm Beach, FL, United StatesHQ recorded Oct 23, 2026	501-1,000	882 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 · Oct 23, 2026 · View company records in RevenueBase
3	Napco Security Technologies	Exact match	Amityville, NY, United StatesHQ recorded Oct 23, 2026	501-1,000	432 contacts →
	Exact match “NAPCO Security Technologies (NASDAQ: NSSC) is one of the world's leading manufacturers of technologically advanced electronic security equipment including intrusion and fire alarm…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
4	The Cook & Boardman Group, LLC	Exact match	Winston-Salem, NC, United StatesHQ recorded Oct 23, 2026	1,001-5,000	319 contacts →
	Exact match “Established in 1955, The Cook & Boardman Group is the nation’s premier provider of architectural doors and frames, door hardware and related building specialty products in…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
5	AFA Protective Systems, INC	Exact match	Syosset, NY, United StatesHQ recorded Oct 23, 2026	201-500	301 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
6	NAVCO	Exact match	Orange, CA, United StatesHQ recorded Oct 23, 2026	51-200	252 contacts →
	Exact match “One of the largest privately held national electronic security system integrator in the USA, NAVCO keeps you one step ahead of ever-changing technology.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
7	Wittenbach	Exact match	Sparks, MD, United StatesHQ recorded Oct 23, 2026	201-500	250 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 · Oct 23, 2026 · View company records in RevenueBase
8	Alarm Detection Systems	Exact match	Aurora, IL, United StatesHQ recorded Oct 23, 2026	201-500	243 contacts →
	Exact match “Family owned and operated since 1968, Alarm Detection Systems, Inc.(ADS) understands that nothing is more important than the safety of your family and the protection of your…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
9	Datawatch Systems	Exact match	Bethesda, MD, United StatesHQ recorded Oct 23, 2026	201-500	211 contacts →
	Exact match “An industry leader in managed access control security solutions and services since 1981, Datawatch Systems is trusted by building owners, property managers, and tenants across the…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
10	Amag Technology	Exact match	Hawthorne, CA, United StatesHQ recorded Oct 23, 2026	201-500	192 contacts →
	Exact match “AMAG Technology is a market leader in Physical Access Control, Identity Management and integrated security solutions.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
11	Convergint Technologies	Exact match	Atlanta, United StatesHQ recorded Oct 23, 2026	5,001-10,000	175 contacts →
	Exact match “Electronic Security Integrator Access Control Closed Circuit Television Intercom” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
12	General Security	Exact match	Plainview, NY, United StatesHQ recorded Oct 23, 2026	51-200	171 contacts →
	Exact match “General Security is a family owned and operated company with offices from Buffalo, NY to South East Florida.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
13	Sentry Security	Exact match	Wheeling, IL, United StatesHQ recorded Oct 23, 2026	n/a	164 contacts →
	Exact match “Comprehensive, cutting-edge integrated security systems to protect your people, business and assets for years to come.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
14	Vicon Industries	Exact match	Hauppauge, NY, United StatesHQ recorded Oct 23, 2026	51-200	153 contacts →
	Exact match “Since 1967, Vicon has been a leading provider of mission-critical security surveillance systems.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
15	EPS Security	Exact match	Grand Rapids, MI, United StatesHQ recorded Oct 23, 2026	201-500	151 contacts →
	Exact match “A home and business security provider, EPS Security was founded in Grand Rapids, Michigan.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
16	OLD Account	Exact match	Hammond, LA, United StatesHQ recorded Oct 23, 2026	n/a	151 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
17	VTI Security	Exact match	Burnsville, MN, United StatesHQ recorded Oct 23, 2026	1,001-5,000	136 contacts →
	Exact match “For almost 40 years, VTI has been called upon and recognized by our industry for a full range of advanced physical security technologies.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
18	Controlled Products Systems Group	Exact match	Denver, CO, United StatesHQ recorded Oct 23, 2026	51-200	131 contacts →
	Exact match “Controlled Products is the largest wholesale distributor of perimeter access control equipment in the U.S.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
19	Guardian Access Solutions	Exact match	Nashville-davidson, TN, United StatesHQ recorded Oct 23, 2026	201-500	105 contacts →
	Exact match “Guardian Access Solutions was founded in 1987 with a focus on automated gates and parking and parking revenue control systems.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
20	American Direct	Exact match	Lenexa, KS, United StatesHQ recorded Oct 23, 2026	201-500	105 contacts →
	Exact match “Over the past 30 years, American Direct has grown from being one of the nation’s leading doors, frames and hardware providers to also owning an access software platform and has…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
21	Priority ONE Security	Exact match	Greenville, SC, United StatesHQ recorded Oct 23, 2026	51-200	105 contacts →
	Exact match “Priority One is a privately owned and operated security systems company located in Greenville, SC.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
22	Integrated Protection Services	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 23, 2026	51-200	97 contacts →
	Exact match “Integrated Protection Services (IPS) helps building owners and operators by designing, installing, and maintaining fire alarm, security, access control, and video surveillance…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
23	Access Control Technologies, LLC	Exact match	Mooresville, NC, United StatesHQ recorded Oct 23, 2026	11-50	90 contacts →
	Exact match “Access Control Technologies (ACT) has decades of expertise manufacturing, installing and maintaining gates.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
24	Bass Security Services	Exact match	Bedford Heights, OH, United StatesHQ recorded Oct 23, 2026	51-200	90 contacts →
	Exact match “Bass Security is a national Locksmith and integrator of CCTV and Burglar/Fire alarm security solutions for your business.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
25	Benson Systems, INC	Exact match	Gilbert, AZ, United StatesHQ recorded Oct 23, 2026	51-200	85 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 23, 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 “card access system suppliers”. 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 1,143 card access system suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 5,391 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Card access system suppliers based in the United States at a glance

As of Oct 23, 2026

30.6%Verified-email coverage

15.4Average contacts per company

11-50Median size (employees)

1.7%Largest-city concentration · New York

Oct 23, 2026Page data refreshed

Companies by employee count

1-10

498

11-50

496

51-200

121

201-500

501-1,000

1,001-5,000

5,001-10,000

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 1,143 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 “card access system suppliers” 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 5,391 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 23, 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 “card access system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many card access system suppliers are there based in the United States?

RevenueBase identified 1,143 company matches for card access system suppliers 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?

Automated Systems Design, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most card access system suppliers?

New York leads with 20 company records, followed by Dallas (17) and Houston (17).

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 5,391 professional contacts with verified work emails tracked across these 1,143 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 23, 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.