Company lists · Data refreshed September 2026
Top 25 Emergency alert system providers worldwide
RevenueBase identified 196 emergency alert system providers worldwide as of September 2026 and tracks 2,642 professional contacts across them, including 941 with verified work emails. The United States is the largest market and Alexandria the largest hub.
This list covers emergency alert system providers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for emergency alert system providers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest emergency alert system providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 274 contacts → | ||||
Strong evidence “Pioneering Life Safety Solutions Since 1989 Kings is a leading authority in emergency communication systems and monitoring services, with over three decades of dedicated…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 179 contacts → | ||||
Indirect evidence “Genasys is the global leader in Protective Communications Solutions that ensure private organizations and public safety agencies are “Ready when it matters.” Genasys solutions…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 168 contacts → | ||||
Indirect evidence “Alertus - Redefining Mass Notification for 20+ Years Our Mission is to enable organizations to disseminate information to help protect lives, secure assets, and maintain business…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 89 contacts → | ||||
Indirect evidence “Swissphone stands for secure alerting.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 72 contacts → | ||||
Indirect evidence “HDO creates value for our owners by being Norway's leading environment in the operation and management of technology-based services for the pre-hospital environment and the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 59 contacts → | ||||
Indirect evidence “Telegrafia a.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 54 contacts → | ||||
Strong evidence “ATI Systems is a leader in the design, manufacturing and installation of world-class reliable emergency warning and mass notification systems.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 48 contacts → | ||||
Strong evidence “Company Profile Effective emergency management begins with carefully planned early warning and notification systems.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 37 contacts → | ||||
Partial evidence “Secapp is a critical communication and alerting system with documentation features.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 35 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 28 contacts → | ||||
Strong evidence “A comprehensive multi-patented emergency alert system & mass notification system, suitable for businesses, governments and schools.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 27 contacts → | ||||
Indirect evidence “Safety has always been the No.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 26 contacts → | ||||
Indirect evidence “Are you still relying on manual, slow processes to reach your employees, citizens, or patients during critical moments?” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 25 contacts → | ||||
Partial evidence “Beeper Communications Israel, is a leading provider of emergency communication and critical messaging services for the country’s major security, military and homeland defense…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 23 contacts → | ||||
Indirect evidence “Atos Public Safety’s mission is to serve the nation’s First Responder community as its NG9-1-1 transformation partner, designing custom communication ecosystems leveraging…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 23 contacts → | ||||
Partial evidence “Estamos Comprometidos con el Desarrollo, Integración e Implementación de las Tecnologías de Información y Comunicación en la Respuesta a Emergencias y Desastres.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 21 contacts → | ||||
Strong evidence “American Signal Corporation (ASC) is an American manufacturer of mass notification, disaster warning, and emergency notification systems.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 21 contacts → | ||||
Partial evidence “Radio Solutions, is an industry leading Emergency Communications Solutions Provider.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 21 contacts → | ||||
Partial evidence “UMS - an Everbridge Company, has more than 1,200 customers worldwide reaching over 500 million people with our systems for public notifications.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 20 contacts → | ||||
Partial evidence “We are Kitsap 911 providing exceptional public safety emergency communications services every day.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 19 contacts → | ||||
Partial evidence “Precision Fire Solutions, LLC specializes in all aspects emergency notification/communication including designing, installing and maintaining fire alarm, mass notification…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 17 contacts → | ||||
Strong evidence “The mission of the Denco Area 9-1-1 District is to provide a highly advanced and efficient enhanced 9-1-1 emergency telecommunications system as the primary emergency access for…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 15 contacts → | ||||
Strong evidence “Sigcom (Signal Communications) is a leading designer and manufacturer of emergency communication and alerting systems.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 contacts → | ||||
Partial evidence “Used by over organizations around the US & Canada the DialMyCalls mass notification system allows you to send a notification via phone call, text message and email within seconds.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 14 contacts → | ||||
Partial evidence “SecureTech has been supplying high quality instant notification systems to courts, schools, hospitals, and other facilities for over 30 years.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: emergency alert system providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names emergency alert system providers.
- Partial evidence
- Its own public description names part of emergency alert system providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name emergency alert system providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 196 emergency alert system providers worldwide
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Emergency alert system providers worldwide at a glance
As of Sep 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among emergency alert system providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for emergency alert system providers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “emergency alert system providers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names emergency alert system providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among emergency alert system providers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 941 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Emergency alert system providers by location
1 lists · largest firstEvery Emergency alert system providers 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 Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names emergency alert system providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many emergency alert system providers are there worldwide?
RevenueBase identified 196 emergency alert system providers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Kings III Emergency Communications, headquartered in Coppell, tops this list with the largest team on record.
Which country has the most emergency alert system providers?
The United States leads with 81 companies. Every emergency alert system providers list by country and city is linked on this page.
Which city has the most emergency alert system providers?
Alexandria leads with 3 headquartered companies, followed by Calgary (3) and New York (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 941 verified decision-maker contacts tracked across these 196 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.