Company lists · Data refreshed November 2026

Top 25 Supervisory signal unit suppliers worldwide

RevenueBase identified 320 company matches for supervisory signal unit suppliers worldwide as of November 2026 and tracks 4,567 professional contacts across them, including 1,193 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for supervisory signal unit suppliers worldwide, 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 2, 2026. Country and city lists for supervisory signal unit suppliers follow the table.

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 2, 2026 How this list was built
320Companies
4,567Contacts tracked
1,193Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest supervisory signal unit suppliers worldwide

Ranked by team size
Top 25 of 320 company matches for supervisory signal unit suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 matchBlackburn, United KingdomHQ recorded Nov 2, 2026n/a417 contacts →

Exact match

“At Global Security Ltd, we are proud to be one of the UK’s trusted suppliers of CCTV, intruder alarms, access control, and fire safety systems.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchDallas, TX, United StatesHQ recorded Nov 2, 2026501-1,000280 contacts →

Exact match

“American Fire Protection Group is a multimillion dollar company comprised of multiple offices strategically located throughout the country.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchElgin, IL, United StatesHQ recorded Nov 2, 2026201-500142 contacts →

Exact match

“The authoritative source for customized fire and safety protection.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchNottingham, United KingdomHQ recorded Nov 2, 202651-200126 contacts →

Exact match

“Global Fire and Security Systems are market leaders in providing quality product solutions to services through the Fire and Security market place nationwide.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchKarachi, PakistanHQ recorded Nov 2, 202651-200123 contacts →

Exact match

“We take pride to introduce ourselves as the leading Fire Safety Equipment and Systems Company in Pakistan.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchPrairieville, LA, United StatesHQ recorded Nov 2, 2026201-500121 contacts →

Exact match

“Locally owned and operated since Austin Fire Systems is your one source for engineering, installation, service and inspection of fire detection, fire suppression, security and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchGrand Rapids, MI, United StatesHQ recorded Nov 2, 202651-200115 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 · Nov 2, 2026 · View company records in RevenueBase
8Exact matchCincinnati, OH, United StatesHQ recorded Nov 2, 202651-20097 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 · Nov 2, 2026 · View company records in RevenueBase
9Exact matchCardiff, United KingdomHQ recorded Nov 2, 202651-20096 contacts →

Exact match

“Formed in 2003 DVS has quickly established itself as one of Europe’s most successful multi-brand distributors of electronic surveillance and Fire products and Europe's Largest…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchNorth Wales, PA, United StatesHQ recorded Nov 2, 2026201-50092 contacts →

Exact match

“We are Keystone Fire and Security, we offer installation and service of professional fire equipment and security systems.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchDubai, United Arab EmiratesHQ recorded Nov 2, 2026201-50083 contacts →

Exact match

“DAFOOS Group of Companies has marked its presence in Middle East Fire Protection Industry, ever since start of operations in 1988, and in Qatar as well.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchQuezon City, PhilippinesHQ recorded Nov 2, 2026201-50081 contacts →

Exact match

“Authorized and highly-trained on the Design, Supply and Installation, and Maintenance on Fire Protection & Suppression Systems.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchSouthend-on-sea, United KingdomHQ recorded Nov 2, 202651-20059 contacts →

Exact match

“PFS Group Limited is an independently owned Fire & Security company that has been established since 1998.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Nov 2, 202651-20059 contacts →

Exact match

“Specializing in fire detection and suppression systems for all types of industries and establishments, Unisafe is a fire protection systems contractor and safety equipment…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchAl Malqa, Saudi ArabiaHQ recorded Nov 2, 202651-20058 contacts →

Exact match

“تأسست شركة إتقان المتقدمة - إحدى شركات رمز القابضة في عام ٢٠١٤م.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchSaint Priest, FranceHQ recorded Nov 2, 202611-5050 contacts →

Exact match

“ACCF est un distributeur technique spécialisé en détection incendie et commlunication hospitalière CONCEPT ACCF : une véritable agence technique et commerciale.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchMiddlesbrough, United KingdomHQ recorded Nov 2, 202651-20049 contacts →

Exact match

“Dynamic CCTV has been established since 1994 and is a leading trade-only supplier to the security industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchLouisville, KY, United StatesHQ recorded Nov 2, 202611-5047 contacts →

Exact match

“Protegis Fire & Safety is a trusted distributor of fire alarm parts with over 30 years of experience in the life safety industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchAnderson, CA, United StatesHQ recorded Nov 2, 202651-20047 contacts →

Exact match

“Owned and led by the Culmer family, the Hue & Cry team is a close knit group of Fire Protection and Security System Specialists.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchCota, ColombiaHQ recorded Nov 2, 202611-5044 contacts →

Exact match

“Compañia dedicada a la Distribuición Mayorista de equipos para Seguridad Electronica y Redes.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchRainham, United KingdomHQ recorded Nov 2, 202651-20041 contacts →

Exact match

“TechniFire Solutions Ltd are a truly independent fire life safety and security specialist service provider holding all statutory compliance certification, quality assurance and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchSantiago, ChileHQ recorded Nov 2, 202651-20038 contacts →

Exact match

“Servicios de Ingeniería en Protección Contra Incendios, Comunicaciones y Seguridad Desarrollo de Ingeniería, Suministro de equipamiento, Montaje de sistemas y Servicios de…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchSt. Catharines, ON, CanadaHQ recorded Nov 2, 202611-5036 contacts →

Exact match

“FMC is a full service, ULC-listed monitoring company, and we employ our own staff of technicians, operate our own Signals Receiving Centre in addition to our own Client Services…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchStock, United KingdomHQ recorded Nov 2, 202611-5036 contacts →

Exact match

“Tired of poor service?”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchDoral, FL, United StatesHQ recorded Nov 2, 202651-20030 contacts →

Exact match

“WISE Building Technologies – Securing the Future, One Building at a Time With over 20 years of experience, 80+ professionals, and 30+ service trucks, WISE Building Technologies is…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 25 of 320 supervisory signal unit suppliers worldwide

See the full list, filter by size, metro and specialty, and access 1,193 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Supervisory signal unit suppliers worldwide at a glance

As of Nov 2, 2026
26.1%Verified-email coverage
14.3Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · London
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
118
11-50
134
51-200
49
201-500
13
501-1,000
3
1,001-5,000
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for supervisory signal unit suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “supervisory signal unit 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. 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 1,193 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 2, 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.

Supervisory signal unit suppliers by location

2 lists · largest first

Every Supervisory signal unit suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “supervisory signal unit suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many supervisory signal unit suppliers are there worldwide?

RevenueBase identified 320 company matches for supervisory signal unit suppliers worldwide 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?

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

Which country has the most supervisory signal unit suppliers?

The United Kingdom leads with 57 companies, followed by the United States (56). Every supervisory signal unit suppliers list by country and city is linked on this page.

Which city has the most supervisory signal unit suppliers?

London leads with 5 company records, followed by Bangalore (3) and Chennai (3).

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 1,193 professional contacts with verified work emails tracked across these 320 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 2, 2026.

Ready to reach these companies? Verified emails and direct dials for all 320 supervisory signal unit suppliers worldwide. 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.