Company lists · Data refreshed November 2026
Top 25 Emergency response technology developers based in the United States
RevenueBase identified 684 company matches for emergency response technology developers associated with the United States as of November 2026 and tracks 16,490 professional contacts across them, including 7,485 with verified work emails. New York is the largest hub.
This list covers company matches for emergency response technology developers 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 November 6, 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.
The 25 largest emergency response technology developers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,172 contacts → | ||||
Exact match “CentralSquare Technologies is the trusted provider of public sector software in North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 607 contacts → | ||||
Exact match “At ESO, our mission is to improve community health and safety outcomes through the power of data.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 568 contacts → | ||||
Exact match “Intrado is dedicated to saving lives and protecting communities, with a mission to provide comprehensive support in preparing for, responding to, and recovering from critical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 534 contacts → | ||||
Exact match “For more than 20 years, Lexipol has been ensuring the well-being and effectiveness of the people who safeguard our communities, public safety professionals, first responders and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 472 contacts → | ||||
Exact match “First Due Suite is re-imagining how Fire & EMS agencies run their operation by offering best-of-breed Pre-Planning, Fire Prevention, Incident Reporting, Scheduling & Personnel…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 445 contacts → | ||||
Exact match “Headquartered in Irving, Texas, EF Johnson Technologies, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 418 contacts → | ||||
Exact match “ImageTrend transforms incident data into actionable intelligence, empowering emergency services and healthcare providers to drive impactful change in their communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 384 contacts → | ||||
Exact match “Mark43 brings modern technology to enhance public safety, making state, local and federal agencies faster, smarter, and their communities safer.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 381 contacts → | ||||
Exact match “Intrado, formerly West, is an innovative, cloud-based, global technology partner to clients around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 369 contacts → | ||||
Exact match “With more than 80 years of experience, Zetron is a critical communications technology company, providing integrated solutions with legendary reliability and support.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 304 contacts → | ||||
Exact match “RapidSOS is the leading public safety AI company that unlocks mission-critical intelligence for first responders and security teams – enabling faster, smarter and more accurate…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 298 contacts → | ||||
Exact match “CENTEGIX is the leader in incident response solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 218 contacts → | ||||
Exact match “Founded in 1984 by entrepreneur Christian Hammarskjold, our company began in a garage with just a few products and a dream to innovate better, safer transit solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 217 contacts → | ||||
Exact match “ZOLL® provides data systems that deliver more.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 216 contacts → | ||||
Exact match “GD is a Healthtech company specializing in communication solutions that help EMS and hospitals deliver simply seamless patient care.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 211 contacts → | ||||
Exact match “Since 1946, Electronic Engineering has been the electronics and communication specialist people depend on.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 203 contacts → | ||||
Exact match “ProPhoenix public safety software is an on-premise and cloud based fully integrated system including CAD, Mobile, Law RMS, Fire RMS, Corrections Management, Pawn, Internal…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 194 contacts → | ||||
Exact match “BRINC Drones is an American developer of technology in the service of public safety.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 180 contacts → | ||||
Exact match “Genasys is the global leader in Protective Communications Solutions that ensure private organizations and public safety agencies are “Ready when it matters.” Genasys solutions…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 154 contacts → | ||||
Exact match “People and technology are at the core of everything we do.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 149 contacts → | ||||
Exact match “The Response Group is dedicated to delivering superior products and services to the Emergency Response Community.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 148 contacts → | ||||
Exact match “INDIGITAL is the nation's pioneer in NG911 infrastructure, operating the first and largest ESInet and providing end-state Next Generation Core Services to PSAPs across 26 states.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 147 contacts → | ||||
Exact match “Citizen is the No.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 141 contacts → | ||||
Exact match “CALIBER PUBLIC SAFETY is a public safety software company providing innovative solutions for improving situational awareness, officer safety, and community outreach.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 136 contacts → | ||||
Exact match “Carbyne is setting a new standard for how the world responds to emergencies.” Recorded in the RevenueBase company graph · Nov 6, 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 “emergency response technology developers”. 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 684 emergency response technology developers based in the United States
See the full list, filter by size, metro and specialty, and access 7,485 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Emergency response technology developers based in the United States at a glance
As of Nov 6, 2026Companies by employee count
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 684 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 “emergency response technology developers” 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 7,485 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 6, 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 “emergency response technology developers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many emergency response technology developers are there based in the United States?
RevenueBase identified 684 company matches for emergency response technology developers associated with the United States 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?
Centralsquare Technologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most emergency response technology developers?
New York leads with 19 company records, followed by Austin (15) and San Diego (12).
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 7,485 professional contacts with verified work emails tracked across these 684 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 684 emergency response technology developers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Emergency response technology developers by geography
- Emergency response technology developers based in Australia
- Emergency response technology developers based in Canada
- Emergency response technology developers based in France
- Emergency response technology developers based in Germany
- Emergency response technology developers based in the Netherlands
- Emergency response technology developers based in the United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Emergency response technology developers based in Australia
- Emergency response technology developers based in Canada
- Emergency response technology developers based in France
- Emergency response technology developers based in Germany
- Emergency response technology developers based in the Netherlands
- Emergency response technology developers based in the United Kingdom
Company intelligence · public preview
Top 25 emergency response technology developers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 684 matching company records for emergency response technology developers based in the United States, with 16,490 tracked contacts and 7,485 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 emergency response technology developers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Centralsquare Technologiescentralsquare.comHQ: Lake Mary, FL, United StatesReported employees: 1,001-5,000 | Lake Mary, FL, United States | 1,001-5,000 | Exact match | 1,172 contacts → |
“CentralSquare Technologies is the trusted provider of public sector software in North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  ESOeso.comHQ: Austin, TX, United StatesReported employees: 501-1,000 | Austin, TX, United States | 501-1,000 | Exact match | 607 contacts → |
“At ESO, our mission is to improve community health and safety outcomes through the power of data.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Intradointrado.comHQ: Longmont, CO, United StatesReported employees: 1,001-5,000 | Longmont, CO, United States | 1,001-5,000 | Exact match | 568 contacts → |
“Intrado is dedicated to saving lives and protecting communities, with a mission to provide comprehensive support in preparing for, responding to, and recovering from critical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Lexipollexipol.comHQ: Frisco, TX, United StatesReported employees: 201-500 | Frisco, TX, United States | 201-500 | Exact match | 534 contacts → |
“For more than 20 years, Lexipol has been ensuring the well-being and effectiveness of the people who safeguard our communities, public safety professionals, first responders and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  First DUEfirstdue.comHQ: Garden City, NY, United StatesReported employees: 201-500 | Garden City, NY, United States | 201-500 | Exact match | 472 contacts → |
“First Due Suite is re-imagining how Fire & EMS agencies run their operation by offering best-of-breed Pre-Planning, Fire Prevention, Incident Reporting, Scheduling & Personnel…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  EF Johnson Technologies, INCefjohnson.comHQ: Irving, TX, United StatesReported employees: 201-500 | Irving, TX, United States | 201-500 | Exact match | 445 contacts → |
“Headquartered in Irving, Texas, EF Johnson Technologies, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Imagetrendimagetrend.comHQ: Eagan, MN, United StatesReported employees: 201-500 | Eagan, MN, United States | 201-500 | Exact match | 418 contacts → |
“ImageTrend transforms incident data into actionable intelligence, empowering emergency services and healthcare providers to drive impactful change in their communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Mark43mark43.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 384 contacts → |
“Mark43 brings modern technology to enhance public safety, making state, local and federal agencies faster, smarter, and their communities safer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Intrado Legacywest.comHQ: Longmont, CO, United StatesReported employees: 1,001-5,000 | Longmont, CO, United States | 1,001-5,000 | Exact match | 381 contacts → |
“Intrado, formerly West, is an innovative, cloud-based, global technology partner to clients around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Zetronzetron.comHQ: Redmond, WA, United StatesReported employees: 201-500 | Redmond, WA, United States | 201-500 | Exact match | 369 contacts → |
“With more than 80 years of experience, Zetron is a critical communications technology company, providing integrated solutions with legendary reliability and support.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Rapidsosrapidsos.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 304 contacts → |
“RapidSOS is the leading public safety AI company that unlocks mission-critical intelligence for first responders and security teams – enabling faster, smarter and more accurate…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Centegixcentegix.comHQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 298 contacts → |
“CENTEGIX is the leader in incident response solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  United Safety & Survivability Corporationunitedsafetycorporation.comHQ: Exton, PA, United StatesReported employees: 201-500 | Exton, PA, United States | 201-500 | Exact match | 218 contacts → |
“Founded in 1984 by entrepreneur Christian Hammarskjold, our company began in a garage with just a few products and a dream to innovate better, safer transit solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Zoll Data Systemszolldata.comHQ: Broomfield, CO, United StatesReported employees: 201-500 | Broomfield, CO, United States | 201-500 | Exact match | 217 contacts → |
“ZOLL® provides data systems that deliver more.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  General Devices GDgeneral-devices.comHQ: Ridgefield, NJ, United StatesReported employees: 51-200 | Ridgefield, NJ, United States | 51-200 | Exact match | 216 contacts → |
“GD is a Healthtech company specializing in communication solutions that help EMS and hospitals deliver simply seamless patient care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Electronic Engineering Co. Eecoeengineering.comHQ: Des Moines, IA, United StatesReported employees: 51-200 | Des Moines, IA, United States | 51-200 | Exact match | 211 contacts → |
“Since 1946, Electronic Engineering has been the electronics and communication specialist people depend on.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Prophoenix Corporationprophoenix.comHQ: Moorestown, NJ, United StatesReported employees: 51-200 | Moorestown, NJ, United States | 51-200 | Exact match | 203 contacts → |
“ProPhoenix public safety software is an on-premise and cloud based fully integrated system including CAD, Mobile, Law RMS, Fire RMS, Corrections Management, Pawn, Internal…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Brinc Dronesbrincdrones.comHQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 194 contacts → |
“BRINC Drones is an American developer of technology in the service of public safety.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Genasys INCgenasys.comHQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 180 contacts → |
“Genasys is the global leader in Protective Communications Solutions that ensure private organizations and public safety agencies are “Ready when it matters.” Genasys solutions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  BRITEbrite.comHQ: Victor, NY, United StatesReported employees: 51-200 | Victor, NY, United States | 51-200 | Exact match | 154 contacts → |
“People and technology are at the core of everything we do.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  The Response Groupresponsegroupinc.comHQ: Cypress, AK, United StatesReported employees: 51-200 | Cypress, AK, United States | 51-200 | Exact match | 149 contacts → |
“The Response Group is dedicated to delivering superior products and services to the Emergency Response Community.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Indigitalindigital.netHQ: Fort Wayne, IN, United StatesReported employees: 51-200 | Fort Wayne, IN, United States | 51-200 | Exact match | 148 contacts → |
“INDIGITAL is the nation's pioneer in NG911 infrastructure, operating the first and largest ESInet and providing end-state Next Generation Core Services to PSAPs across 26 states.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Citizencitizen.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 147 contacts → |
“Citizen is the No.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Caliber Public Safetycaliberpublicsafety.comHQ: Winston-salem, NC, United StatesReported employees: 201-500 | Winston-salem, NC, United States | 201-500 | Exact match | 141 contacts → |
“CALIBER PUBLIC SAFETY is a public safety software company providing innovative solutions for improving situational awareness, officer safety, and community outreach.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Carbynecarbyne.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 136 contacts → |
“Carbyne is setting a new standard for how the world responds to emergencies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 684 company matches
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Emergency response technology developers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
683 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 684 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for emergency response technology developers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many emergency response technology developers did RevenueBase find based in the United States?
The saved snapshot records 684 matching company records, 16,490 tracked contacts and 7,485 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Emergency response technology developers by geography
- Emergency response technology developers based in Australia
- Emergency response technology developers based in Canada
- Emergency response technology developers based in France
- Emergency response technology developers based in Germany
- Emergency response technology developers based in the Netherlands
- Emergency response technology developers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 emergency response technology developers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/emergency-response-technology-developers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Emergency response technology developers based in Australia
- Emergency response technology developers based in Canada
- Emergency response technology developers based in France
- Emergency response technology developers based in Germany
- Emergency response technology developers based in the Netherlands
- Emergency response technology developers based in the United Kingdom
Company intelligence · public preview
Top 25 emergency response technology developers based in the United States
RevenueBase records 684 matching company records for emergency response technology developers based in the United States, with 16,490 tracked contacts and 7,485 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 emergency response technology developers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Centralsquare Technologiescentralsquare.com HQ: Lake Mary, FL, United StatesReported employees: 1,001-5,000 | Lake Mary, FL, United States | 1,001-5,000 | Exact match | 1,172 contacts → |
“CentralSquare Technologies is the trusted provider of public sector software in North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ESOeso.com HQ: Austin, TX, United StatesReported employees: 501-1,000 | Austin, TX, United States | 501-1,000 | Exact match | 607 contacts → |
“At ESO, our mission is to improve community health and safety outcomes through the power of data.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Intradointrado.com HQ: Longmont, CO, United StatesReported employees: 1,001-5,000 | Longmont, CO, United States | 1,001-5,000 | Exact match | 568 contacts → |
“Intrado is dedicated to saving lives and protecting communities, with a mission to provide comprehensive support in preparing for, responding to, and recovering from critical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Lexipollexipol.com HQ: Frisco, TX, United StatesReported employees: 201-500 | Frisco, TX, United States | 201-500 | Exact match | 534 contacts → |
“For more than 20 years, Lexipol has been ensuring the well-being and effectiveness of the people who safeguard our communities, public safety professionals, first responders and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | First DUEfirstdue.com HQ: Garden City, NY, United StatesReported employees: 201-500 | Garden City, NY, United States | 201-500 | Exact match | 472 contacts → |
“First Due Suite is re-imagining how Fire & EMS agencies run their operation by offering best-of-breed Pre-Planning, Fire Prevention, Incident Reporting, Scheduling & Personnel…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | EF Johnson Technologies, INCefjohnson.com HQ: Irving, TX, United StatesReported employees: 201-500 | Irving, TX, United States | 201-500 | Exact match | 445 contacts → |
“Headquartered in Irving, Texas, EF Johnson Technologies, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Imagetrendimagetrend.com HQ: Eagan, MN, United StatesReported employees: 201-500 | Eagan, MN, United States | 201-500 | Exact match | 418 contacts → |
“ImageTrend transforms incident data into actionable intelligence, empowering emergency services and healthcare providers to drive impactful change in their communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Mark43mark43.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 384 contacts → |
“Mark43 brings modern technology to enhance public safety, making state, local and federal agencies faster, smarter, and their communities safer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Intrado Legacywest.com HQ: Longmont, CO, United StatesReported employees: 1,001-5,000 | Longmont, CO, United States | 1,001-5,000 | Exact match | 381 contacts → |
“Intrado, formerly West, is an innovative, cloud-based, global technology partner to clients around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Zetronzetron.com HQ: Redmond, WA, United StatesReported employees: 201-500 | Redmond, WA, United States | 201-500 | Exact match | 369 contacts → |
“With more than 80 years of experience, Zetron is a critical communications technology company, providing integrated solutions with legendary reliability and support.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Rapidsosrapidsos.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 304 contacts → |
“RapidSOS is the leading public safety AI company that unlocks mission-critical intelligence for first responders and security teams – enabling faster, smarter and more accurate…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Centegixcentegix.com HQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 298 contacts → |
“CENTEGIX is the leader in incident response solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | United Safety & Survivability Corporationunitedsafetycorporation.com HQ: Exton, PA, United StatesReported employees: 201-500 | Exton, PA, United States | 201-500 | Exact match | 218 contacts → |
“Founded in 1984 by entrepreneur Christian Hammarskjold, our company began in a garage with just a few products and a dream to innovate better, safer transit solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Zoll Data Systemszolldata.com HQ: Broomfield, CO, United StatesReported employees: 201-500 | Broomfield, CO, United States | 201-500 | Exact match | 217 contacts → |
“ZOLL® provides data systems that deliver more.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | General Devices GDgeneral-devices.com HQ: Ridgefield, NJ, United StatesReported employees: 51-200 | Ridgefield, NJ, United States | 51-200 | Exact match | 216 contacts → |
“GD is a Healthtech company specializing in communication solutions that help EMS and hospitals deliver simply seamless patient care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Electronic Engineering Co. Eecoeengineering.com HQ: Des Moines, IA, United StatesReported employees: 51-200 | Des Moines, IA, United States | 51-200 | Exact match | 211 contacts → |
“Since 1946, Electronic Engineering has been the electronics and communication specialist people depend on.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Prophoenix Corporationprophoenix.com HQ: Moorestown, NJ, United StatesReported employees: 51-200 | Moorestown, NJ, United States | 51-200 | Exact match | 203 contacts → |
“ProPhoenix public safety software is an on-premise and cloud based fully integrated system including CAD, Mobile, Law RMS, Fire RMS, Corrections Management, Pawn, Internal…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Brinc Dronesbrincdrones.com HQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 194 contacts → |
“BRINC Drones is an American developer of technology in the service of public safety.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Genasys INCgenasys.com HQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 180 contacts → |
“Genasys is the global leader in Protective Communications Solutions that ensure private organizations and public safety agencies are “Ready when it matters.” Genasys solutions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | BRITEbrite.com HQ: Victor, NY, United StatesReported employees: 51-200 | Victor, NY, United States | 51-200 | Exact match | 154 contacts → |
“People and technology are at the core of everything we do.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | The Response Groupresponsegroupinc.com HQ: Cypress, AK, United StatesReported employees: 51-200 | Cypress, AK, United States | 51-200 | Exact match | 149 contacts → |
“The Response Group is dedicated to delivering superior products and services to the Emergency Response Community.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Indigitalindigital.net HQ: Fort Wayne, IN, United StatesReported employees: 51-200 | Fort Wayne, IN, United States | 51-200 | Exact match | 148 contacts → |
“INDIGITAL is the nation's pioneer in NG911 infrastructure, operating the first and largest ESInet and providing end-state Next Generation Core Services to PSAPs across 26 states.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Citizencitizen.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 147 contacts → |
“Citizen is the No.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Caliber Public Safetycaliberpublicsafety.com HQ: Winston-salem, NC, United StatesReported employees: 201-500 | Winston-salem, NC, United States | 201-500 | Exact match | 141 contacts → |
“CALIBER PUBLIC SAFETY is a public safety software company providing innovative solutions for improving situational awareness, officer safety, and community outreach.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Carbynecarbyne.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 136 contacts → |
“Carbyne is setting a new standard for how the world responds to emergencies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 684 company matches
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Emergency response technology developers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
683 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 684 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for emergency response technology developers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many emergency response technology developers did RevenueBase find based in the United States?
The saved snapshot records 684 matching company records, 16,490 tracked contacts and 7,485 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Emergency response technology developers by geography
- Emergency response technology developers based in Australia
- Emergency response technology developers based in Canada
- Emergency response technology developers based in France
- Emergency response technology developers based in Germany
- Emergency response technology developers based in the Netherlands
- Emergency response technology developers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 emergency response technology developers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/emergency-response-technology-developers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Emergency response technology developers based in Australia
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- Emergency response technology developers based in France
- Emergency response technology developers based in Germany
- Emergency response technology developers based in the Netherlands
- Emergency response technology developers based in the United Kingdom