Company lists · Data refreshed September 2026

Top 25 Facility access consulting firms based in the United States

RevenueBase identified 1,380 company matches for facility access consulting firms associated with the United States as of September 2026 and tracks 21,376 professional contacts across them, including 6,813 with verified work emails. New York is the largest hub.

This list covers company matches for facility access 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
1,380Companies
21,376Contacts tracked
6,813Verified emails
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The 25 largest facility access consulting firms based in the United States

Ranked by team size
Top 25 of 1,380 company matches for facility access 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAlpharetta, GA, United StatesHQ recorded Sep 28, 2026n/a2,678 contacts →

Exact match

“Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Sep 28, 20261,001-5,0001,138 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
3Exact matchWest Palm Beach, FL, United StatesHQ recorded Sep 28, 2026501-1,000849 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
4Exact matchNew Haven, CT, United StatesHQ recorded Sep 28, 20265,001-10,000736 contacts →

Exact match

“Combining the expertise of the industry’s most knowledgeable door opening experts with a comprehensive product offering of leading door and hardware brands, the consultative…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchWinston-Salem, NC, United StatesHQ recorded Sep 28, 20261,001-5,000445 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 · Sep 28, 2026 · View company records in RevenueBase
6Exact matchSyosset, NY, United StatesHQ recorded Sep 28, 2026201-500302 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchSparks, MD, United StatesHQ recorded Sep 28, 2026201-500244 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
8Exact matchOrange, CA, United StatesHQ recorded Sep 28, 202651-200232 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 · Sep 28, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Sep 28, 2026201-500221 contacts →

Exact match

“Shen Milsom & Wilke (SM & W) is a global consulting and design firm specializing in acoustics, audiovisual and multimedia systems, information technology, physical security, and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchBethesda, MD, United StatesHQ recorded Sep 28, 2026201-500206 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 · Sep 28, 2026 · View company records in RevenueBase
11Exact matchAtlanta, United StatesHQ recorded Sep 28, 20265,001-10,000202 contacts →

Exact match

“Electronic Security Integrator Access Control Closed Circuit Television Intercom”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchWarren, NJ, United StatesHQ recorded Sep 28, 202651-200182 contacts →

Exact match

“At The Falcon Group, our team of experienced professionals comes together to provide a wide range of services to meet all of our clients’ specific needs.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchHawthorne, CA, United StatesHQ recorded Sep 28, 2026201-500177 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 · Sep 28, 2026 · View company records in RevenueBase
14Exact matchCincinnati, OH, United StatesHQ recorded Sep 28, 2026201-500165 contacts →

Exact match

“Security Guard and Technology Services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchRaleigh, NC, United StatesHQ recorded Sep 28, 2026501-1,000159 contacts →

Exact match

“Boon Edam is a global market leader in Secured Entry solutions and Revolving Doors.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchHammond, LA, United StatesHQ recorded Sep 28, 2026n/a156 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchEvanston, IL, United StatesHQ recorded Sep 28, 202651-200153 contacts →

Exact match

“Grumman|Butkus Associates (GBA) is a nationally recognized consulting engineering firm that specializes in mechanical, electrical and plumbing design services and energy and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchBurnsville, MN, United StatesHQ recorded Sep 28, 20261,001-5,000143 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 · Sep 28, 2026 · View company records in RevenueBase
19Exact matchAustin, United StatesHQ recorded Sep 28, 2026201-500138 contacts →

Exact match

“Priebe Security Services, known and respected for nearly two decades, has been providing personalized, client centric professional security services for most of Austin’s most…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchMinneapolis, MN, United StatesHQ recorded Sep 28, 202651-200130 contacts →

Exact match

“Michaud Cooley Erickson was founded in 1946 and is one of the largest mechanical and electrical consulting engineering firms in the United States with licensed professionals in…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchGrand Rapids, MI, United StatesHQ recorded Sep 28, 202651-200121 contacts →

Exact match

“Vanguard Fire & Security Systems, is a full service fire protection, life safety and security systems contractor with over fifty years experience in protecting people, property…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchQuincy, MA, United StatesHQ recorded Sep 28, 202651-200119 contacts →

Exact match

“The Flying Locksmiths Inc, is an all-inclusive security provider, who are quickly becoming the largest National Commercial Locksmith.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSt. Louis, MO, United StatesHQ recorded Sep 28, 2026201-500111 contacts →

Exact match

“ATIS is the leading elevator and escalator inspection, managed services, and consulting firm in the U.S, providing nationwide support to building owners, property managers, and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchNashville-davidson, TN, United StatesHQ recorded Sep 28, 2026201-500108 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 · Sep 28, 2026 · View company records in RevenueBase
25Exact matchMendota Heights, MN, United StatesHQ recorded Sep 28, 2026201-500106 contacts →

Exact match

“With a century of expertise and an unwavering commitment to quality, KENDELL is a trusted leader in building opening solutions – including commercial doors & hardware, security…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 1,380 facility access consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 6,813 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Facility access consulting firms based in the United States at a glance

As of Sep 28, 2026
31.9%Verified-email coverage
15.5Average 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
699
11-50
513
51-200
127
201-500
20
501-1,000
8
1,001-5,000
8
5,001-10,000
3
10001+
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 1,380 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 “facility access 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 6,813 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.

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

How many facility access consulting firms are there based in the United States?

RevenueBase identified 1,380 company matches for facility access 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?

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 facility access consulting firms?

New York leads with 38 company records, followed by Houston (24) and Dallas (20).

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 6,813 professional contacts with verified work emails tracked across these 1,380 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.