Company lists · Data refreshed September 2026
Top 25 Emergency response services based in the United States
RevenueBase identified 1,589 emergency response services headquartered in the United States as of September 2026 and tracks 39,652 professional contacts across them, including 9,355 with verified work emails. Los Angeles is the largest hub.
This list covers emergency response services headquartered in the United States, 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.
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 response services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 9,614 contacts → | ||||
Partial evidence “American Medical Response, America’s leading provider of medical transportation, has a single mission: making a difference by caring for people in need.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 665 contacts → | ||||
Strong evidence “A trusted name since 1906, providing a variety of services including 911 emergency response, Advanced Life Support (ALS), Basic Life Support (BLS), wheelchair van transportation…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 663 contacts → | ||||
Partial evidence “The Chicago Fire Department (CFD) promotes fire safety, provides emergency care, and extinguishes fires.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 483 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 408 contacts → | ||||
Indirect evidence “South Metro Fire Rescue (SMFR) is committed to helping the community it serves, which spans residents, 30 stations, and nearly 300 square miles across Arapahoe, Douglas, and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 408 contacts → | ||||
Strong evidence “Charlotte Fire is a full spectrum organization providing fire protection, emergency medical services, technical rescue, hazardous materials response, emergency management, fire…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 355 contacts → | ||||
Indirect evidence “Unified Fire Authority is Utah’s largest fire agency, serving over residents in the cities of Alta, Cottonwood Heights, Draper, Herriman, Holladay, Riverton, Taylorsville and the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 349 contacts → | ||||
Indirect evidence “Intrado, formerly West, is an innovative, cloud-based, global technology partner to clients around the world.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 328 contacts → | ||||
Indirect evidence “Juvare provides Enterprise Resilience Solutions for organizations to connect to the critical resources, data and mutual assistance they need to bounce forward stronger following…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 284 contacts → | ||||
Indirect evidence “Pafford EMS and it’s clinical air division, Pafford Air One, are apart of one of the oldest and largest private ambulance services in the country.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 264 contacts → | ||||
Indirect evidence “The mission of the Crisis Center of Tampa Bay is to ensure that no one in our community has to face crisis alone.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 257 contacts → | ||||
Indirect evidence “Austin-Travis County EMS changes the lives of the people we serve by preserving life, improving health, and promoting safety.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 249 contacts → | ||||
Partial evidence “Sunstar is the 911 ambulance transport service for all Pinellas County residents, employing 750 local residents, and responding to around 500 calls a day.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 228 contacts → | ||||
Partial evidence “The San Bernardino County Fire Protection District is a community-based, all hazard emergency services provider.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 214 contacts → | ||||
Indirect evidence “When lives are on the line, you need the right tools in the bag and the right team at your side to make a difference.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 207 contacts → | ||||
Indirect evidence “Medic Ambulance is an ambulance provider proudly serving Northern California since 1979.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 195 contacts → | ||||
Indirect evidence “Life EMS Ambulance is the leading provider of medical transportation in West Michigan.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 191 contacts → | ||||
Strong evidence “Indianapolis EMS is the largest provider of emergency pre-hospital medical care in the state, responding to over 9-1-1 calls each year.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 186 contacts → | ||||
Partial evidence “Since its inception, the goal for the Richmond Ambulance Authority (RAA) has been to provide its community with clinical excellence, while ensuring response time reliability and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 159 contacts → | ||||
Strong evidence “Joffe Emergency Services is an all-in-one provider of emergency response training, event safety, and disaster supplies for individuals, non-profits, small businesses, and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 157 contacts → | ||||
Partial evidence “Community Ambulance delivers exceptional emergency medical services across Southern Nevada, providing fast, reliable, and compassionate care when it matters most.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 153 contacts → | ||||
Indirect evidence “PSI provides single source fire & life safety services to protect your organization's lives and assets.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 150 contacts → | ||||
Indirect evidence “MedStar Ambulance is a private ambulance company headquartered in Leominster Mass serving central and western Massachusetts” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 146 contacts → | ||||
Partial evidence “For more than 60 years, MacQueen has served as the trusted provider of world-class environmental and emergency solutions across the upper Midwest providing private companies…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 133 contacts → | ||||
Strong evidence “The Response Group is dedicated to delivering superior products and services to the Emergency Response Community.” 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 response services. 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 response services.
- Partial evidence
- Its own public description names part of emergency response services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name emergency response services. 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 1,589 emergency response services based in the United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 9,355 reachable decision-makers.
Free signup · no credit card
Emergency response services based in the United States at a glance
As of Sep 19, 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 1,589 companies.
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 response services, 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.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “emergency response services”. 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 response services), 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 response services, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- 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, 9,355 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.
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 response services, 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 response services are there based in the United States?
RevenueBase identified 1,589 emergency response services headquartered in the United States 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?
American Medical Response, headquartered in Greenwood Village, tops this list with the largest team on record.
Which city has the most emergency response services?
Los Angeles leads with 9 headquartered companies, followed by Rochester (9) and Houston (8).
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 9,355 verified decision-maker contacts tracked across these 1,589 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.
Ready to reach these companies? Verified emails and direct dials for all 1,589 emergency response services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Emergency response services by geography
- Emergency response services based in Australia
- Emergency response services based in Brazil
- Emergency response services based in Canada
- Emergency response services based in France
- Emergency response services based in Germany
- Emergency response services based in the Netherlands
- Emergency response services based in South Africa
- Emergency response services based in Switzerland
- Emergency response services 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 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Emergency response services based in Australia
- Emergency response services based in Brazil
- Emergency response services based in Canada
- Emergency response services based in France
- Emergency response services based in Germany
- Emergency response services based in the Netherlands