Company lists · Data refreshed September 2026
Top 25 Heart rhythm monitoring companies based in the United States
RevenueBase identified 262 company matches for heart rhythm monitoring companies associated with the United States as of September 2026 and tracks 13,967 professional contacts across them, including 6,043 with verified work emails. New York is the largest hub.
This list covers company matches for heart rhythm monitoring companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 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 heart rhythm monitoring companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,249 contacts → | ||||
Exact match “For over 35 years, Masimo has developed innovative monitoring technologies designed to improve patient outcomes and streamline clinical workflows.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 1,754 contacts → | ||||
Exact match “iRhythm is a leading digital health care company that creates trusted solutions that detect, predict, and prevent disease.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 781 contacts → | ||||
Exact match “Spacelabs Healthcare is solely dedicated to developing patient monitoring and diagnostic cardiology technologies and services that empower providers to deliver exceptional patient…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 540 contacts → | ||||
Exact match “Different Thinking for Better Healthcare Nihon Kohden America is a global leader and fast-growing manufacturer of instrumentation for Patient Monitoring, Sleep Assessment…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 522 contacts → | ||||
Exact match “Hello Heart envisions a world where heart attacks are a thing of the past.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 494 contacts → | ||||
Exact match “CardioNet was just the beginning.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 421 contacts → | ||||
Exact match “At Kestra, we stand for patients at-risk and the people who care for them.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 208 contacts → | ||||
Exact match “Cardiac Science is now part of the ZOLL® Medical Family.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 205 contacts → | ||||
Exact match “PaceMate is the market-leading, tech-enabled cardiac device monitoring platform serving integrated delivery networks and academic health systems nationwide.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 189 contacts → | ||||
Exact match “AliveCor, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 188 contacts → | ||||
Exact match “VitalConnect is a leader in wearable biosensor technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 157 contacts → | ||||
Exact match “ReactDx (React Diagnostics) is a leading innovator in the cardiac telemedicine and home sleep testing industries.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 148 contacts → | ||||
Exact match “Octagos is modernizing remote cardiac monitoring with AI-powered automation, seamless EHR integrations, and accuracy proven in high-volume, real-world clinics.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 140 contacts → | ||||
Exact match “Murj® is cardiac device management software built different from the start.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 119 contacts → | ||||
Exact match “RhythMedix is a fully integrated cardiac monitoring company with in-house device manufacturing, software development, and U.S-based monitoring services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 109 contacts → | ||||
Exact match “For over 30 years, Mortara Instrument, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 108 contacts → | ||||
Exact match “Founded in 2009, PrepMD stands at the forefront of cardiac healthcare solutions, renowned for blending clinical expertise with technological innovation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 98 contacts → | ||||
Exact match “Anumana™ is harnessing industry-leading AI and translational science to decode electrical signals from the heart as never before, empowering healthcare providers to transform…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 87 contacts → | ||||
Exact match “Caretaker Medical is a cutting-edge digital health startup headquartered in Charlottesville, Virginia.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 80 contacts → | ||||
Exact match “Fukuda Denshi’s innovative technologies always have a strong impact around the world with our Electrocardiographs, Patient Monitoring Systems, and other medical engineering…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 78 contacts → | ||||
Exact match “At Zywie, we’re redefining how cardiac data translates into clinical insight.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 77 contacts → | ||||
Exact match “ScottCare is the leading provider of telemetry monitoring solutions designed specifically for cardiac and pulmonary rehabilitation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 75 contacts → | ||||
Exact match “Semler Scientific, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 75 contacts → | ||||
Exact match “Contec Medical Systems Co, Ltd.(hereinafter referred to as CONTEC) is a high-tech company which focuses on research, manufacture and distribution of medical devices since 1996…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 73 contacts → | ||||
Exact match “Fourth Frontier is a pioneering health tech company that builds and offers products and services for monitoring and improving heart health for people across the world.” Recorded in the RevenueBase company graph · Sep 20, 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 “heart rhythm monitoring companies”. 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 262 heart rhythm monitoring companies based in the United States
See the full list, filter by size, metro and specialty, and access 6,043 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Heart rhythm monitoring companies based in the United States at a glance
As of Sep 20, 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 262 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 “heart rhythm monitoring companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 6,043 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 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 “heart rhythm monitoring companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many heart rhythm monitoring companies are there based in the United States?
RevenueBase identified 262 company matches for heart rhythm monitoring companies associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Masimo tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most heart rhythm monitoring companies?
New York leads with 9 company records, followed by Austin (7) and Cambridge (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 6,043 professional contacts with verified work emails tracked across these 262 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 262 heart rhythm monitoring companies based in the United States. Start with a free account, no credit card.
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Heart rhythm monitoring companies by geography
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
- Heart rhythm monitoring companies based in Canada
- Heart rhythm monitoring companies based in France
- Heart rhythm monitoring companies based in Germany
- Heart rhythm monitoring companies based in India
- Heart rhythm monitoring companies based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 heart rhythm monitoring companies 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 262 matching company records for heart rhythm monitoring companies based in the United States, with 13,967 tracked contacts and 6,043 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: September 20, 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 heart rhythm monitoring companies 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 | Masimomasimo.com HQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 3,249 contacts → |
“For over 35 years, Masimo has developed innovative monitoring technologies designed to improve patient outcomes and streamline clinical workflows.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Irhythm Technologies, INCirhythm.comHQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 1,754 contacts → |
“iRhythm is a leading digital health care company that creates trusted solutions that detect, predict, and prevent disease.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Spacelabs Healthcarespacelabshealthcare.comHQ: Snoqualmie, WA, United StatesReported employees: 1,001-5,000 | Snoqualmie, WA, United States | 1,001-5,000 | Exact match | 781 contacts → |
“Spacelabs Healthcare is solely dedicated to developing patient monitoring and diagnostic cardiology technologies and services that empower providers to deliver exceptional patient…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Nihon Kohden Americanihonkohden.comHQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 540 contacts → |
“Different Thinking for Better Healthcare Nihon Kohden America is a global leader and fast-growing manufacturer of instrumentation for Patient Monitoring, Sleep Assessment…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Hello Hearthelloheart.com HQ: Menlo Park, CA, United StatesReported employees: 201-500 | Menlo Park, CA, United States | 201-500 | Exact match | 522 contacts → |
“Hello Heart envisions a world where heart attacks are a thing of the past.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Philips Biotel Heartgobio.comHQ: Malvern, PA, United StatesReported employees: 201-500 | Malvern, PA, United States | 201-500 | Exact match | 494 contacts → |
“CardioNet was just the beginning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Kestra Medical Technologies, INCkestramedical.comHQ: Kirkland, WA, United StatesReported employees: 51-200 | Kirkland, WA, United States | 51-200 | Exact match | 421 contacts → |
“At Kestra, we stand for patients at-risk and the people who care for them.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Cardiac Sciencezoll.comHQ: Deerfield, WI, United StatesReported employees: 201-500 | Deerfield, WI, United States | 201-500 | Exact match | 208 contacts → |
“Cardiac Science is now part of the ZOLL® Medical Family.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Pacematepacemate.comHQ: Clearwater, FL, United StatesReported employees: 201-500 | Clearwater, FL, United States | 201-500 | Exact match | 205 contacts → |
“PaceMate is the market-leading, tech-enabled cardiac device monitoring platform serving integrated delivery networks and academic health systems nationwide.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Alivecoralivecor.comHQ: Mountain View, CA, United StatesReported employees: 51-200 | Mountain View, CA, United States | 51-200 | Exact match | 189 contacts → |
“AliveCor, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Vitalconnectvitalconnect.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 188 contacts → |
“VitalConnect is a leader in wearable biosensor technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Reactdxreactdx.comHQ: Melbourne, FL, United StatesReported employees: 51-200 | Melbourne, FL, United States | 51-200 | Exact match | 157 contacts → |
“ReactDx (React Diagnostics) is a leading innovator in the cardiac telemedicine and home sleep testing industries.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Octagosoctagos.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 148 contacts → |
“Octagos is modernizing remote cardiac monitoring with AI-powered automation, seamless EHR integrations, and accuracy proven in high-volume, real-world clinics.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  MURJmurj.comHQ: Santa Cruz, CA, United StatesReported employees: 51-200 | Santa Cruz, CA, United States | 51-200 | Exact match | 140 contacts → |
“Murj® is cardiac device management software built different from the start.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Rhythmedixrhythmedix.comHQ: Mt. Laurel, NJ, United StatesReported employees: 201-500 | Mt. Laurel, NJ, United States | 201-500 | Exact match | 119 contacts → |
“RhythMedix is a fully integrated cardiac monitoring company with in-house device manufacturing, software development, and U.S-based monitoring services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Mortara Instrumentmortara.comHQ: Milwaukee, WI, United StatesReported employees: 201-500 | Milwaukee, WI, United States | 201-500 | Exact match | 109 contacts → |
“For over 30 years, Mortara Instrument, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Prepmdprepmd.com HQ: Braintree, MA, United StatesReported employees: 51-200 | Braintree, MA, United States | 51-200 | Exact match | 108 contacts → |
“Founded in 2009, PrepMD stands at the forefront of cardiac healthcare solutions, renowned for blending clinical expertise with technological innovation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Anumanaanumana.ai HQ: Cambridge, MA, United StatesReported employees: 51-200 | Cambridge, MA, United States | 51-200 | Exact match | 98 contacts → |
“Anumana™ is harnessing industry-leading AI and translational science to decode electrical signals from the heart as never before, empowering healthcare providers to transform…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Caretaker Medical Wireless Hemodynamic Monitoringcaretakermedical.net HQ: Charlottesville, VA, United StatesReported employees: 11-50 | Charlottesville, VA, United States | 11-50 | Exact match | 87 contacts → |
“Caretaker Medical is a cutting-edge digital health startup headquartered in Charlottesville, Virginia.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Fukuda Denshi USAfukudaamerica.com HQ: Redmond, WA, United StatesReported employees: 11-50 | Redmond, WA, United States | 11-50 | Exact match | 80 contacts → |
“Fukuda Denshi’s innovative technologies always have a strong impact around the world with our Electrocardiographs, Patient Monitoring Systems, and other medical engineering…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Zywie, INCzywie.healthcareHQ: Johns Creek, GA, United StatesReported employees: 51-200 | Johns Creek, GA, United States | 51-200 | Exact match | 78 contacts → |
“At Zywie, we’re redefining how cardiac data translates into clinical insight.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Scottcarescottcare.com HQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 77 contacts → |
“ScottCare is the leading provider of telemetry monitoring solutions designed specifically for cardiac and pulmonary rehabilitation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Semler Scientificsemlerscientific.comHQ: Santa Clara, CA, United StatesReported employees: 51-200 | Santa Clara, CA, United States | 51-200 | Exact match | 75 contacts → |
“Semler Scientific, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Contec USAcontecmed.comHQ: Chicago, United StatesReported employees: 1,001-5,000 | Chicago, United States | 1,001-5,000 | Exact match | 75 contacts → |
“Contec Medical Systems Co, Ltd.(hereinafter referred to as CONTEC) is a high-tech company which focuses on research, manufacture and distribution of medical devices since 1996…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Fourth Frontierfourthfrontier.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 73 contacts → |
“Fourth Frontier is a pioneering health tech company that builds and offers products and services for monitoring and improving heart health for people across the world.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 262 company matches
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Heart rhythm monitoring companies: dataset insights
September 20, 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
262 records in the displayed employee bands.
0 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 262 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: September 20, 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 heart rhythm monitoring companies?
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 heart rhythm monitoring companies did RevenueBase find based in the United States?
The saved snapshot records 262 matching company records, 13,967 tracked contacts and 6,043 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: September 20, 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
Heart rhythm monitoring companies by geography
Cite this list
RevenueBase Data Team. Top 25 heart rhythm monitoring companies based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/heart-rhythm-monitoring-companies/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
- Heart rhythm monitoring companies based in Canada
- Heart rhythm monitoring companies based in France
- Heart rhythm monitoring companies based in Germany
- Heart rhythm monitoring companies based in India
- Heart rhythm monitoring companies based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 heart rhythm monitoring companies based in the United States
RevenueBase records 262 matching company records for heart rhythm monitoring companies based in the United States, with 13,967 tracked contacts and 6,043 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: September 20, 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 heart rhythm monitoring companies 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 | Masimomasimo.com HQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 3,249 contacts → |
“For over 35 years, Masimo has developed innovative monitoring technologies designed to improve patient outcomes and streamline clinical workflows.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Irhythm Technologies, INCirhythm.com HQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 1,754 contacts → |
“iRhythm is a leading digital health care company that creates trusted solutions that detect, predict, and prevent disease.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Spacelabs Healthcarespacelabshealthcare.com HQ: Snoqualmie, WA, United StatesReported employees: 1,001-5,000 | Snoqualmie, WA, United States | 1,001-5,000 | Exact match | 781 contacts → |
“Spacelabs Healthcare is solely dedicated to developing patient monitoring and diagnostic cardiology technologies and services that empower providers to deliver exceptional patient…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Nihon Kohden Americanihonkohden.com HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 540 contacts → |
“Different Thinking for Better Healthcare Nihon Kohden America is a global leader and fast-growing manufacturer of instrumentation for Patient Monitoring, Sleep Assessment…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Hello Hearthelloheart.com HQ: Menlo Park, CA, United StatesReported employees: 201-500 | Menlo Park, CA, United States | 201-500 | Exact match | 522 contacts → |
“Hello Heart envisions a world where heart attacks are a thing of the past.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Philips Biotel Heartgobio.com HQ: Malvern, PA, United StatesReported employees: 201-500 | Malvern, PA, United States | 201-500 | Exact match | 494 contacts → |
“CardioNet was just the beginning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Kestra Medical Technologies, INCkestramedical.com HQ: Kirkland, WA, United StatesReported employees: 51-200 | Kirkland, WA, United States | 51-200 | Exact match | 421 contacts → |
“At Kestra, we stand for patients at-risk and the people who care for them.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cardiac Sciencezoll.com HQ: Deerfield, WI, United StatesReported employees: 201-500 | Deerfield, WI, United States | 201-500 | Exact match | 208 contacts → |
“Cardiac Science is now part of the ZOLL® Medical Family.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Pacematepacemate.com HQ: Clearwater, FL, United StatesReported employees: 201-500 | Clearwater, FL, United States | 201-500 | Exact match | 205 contacts → |
“PaceMate is the market-leading, tech-enabled cardiac device monitoring platform serving integrated delivery networks and academic health systems nationwide.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Alivecoralivecor.com HQ: Mountain View, CA, United StatesReported employees: 51-200 | Mountain View, CA, United States | 51-200 | Exact match | 189 contacts → |
“AliveCor, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vitalconnectvitalconnect.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 188 contacts → |
“VitalConnect is a leader in wearable biosensor technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Reactdxreactdx.com HQ: Melbourne, FL, United StatesReported employees: 51-200 | Melbourne, FL, United States | 51-200 | Exact match | 157 contacts → |
“ReactDx (React Diagnostics) is a leading innovator in the cardiac telemedicine and home sleep testing industries.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Octagosoctagos.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 148 contacts → |
“Octagos is modernizing remote cardiac monitoring with AI-powered automation, seamless EHR integrations, and accuracy proven in high-volume, real-world clinics.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | MURJmurj.com HQ: Santa Cruz, CA, United StatesReported employees: 51-200 | Santa Cruz, CA, United States | 51-200 | Exact match | 140 contacts → |
“Murj® is cardiac device management software built different from the start.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Rhythmedixrhythmedix.com HQ: Mt. Laurel, NJ, United StatesReported employees: 201-500 | Mt. Laurel, NJ, United States | 201-500 | Exact match | 119 contacts → |
“RhythMedix is a fully integrated cardiac monitoring company with in-house device manufacturing, software development, and U.S-based monitoring services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mortara Instrumentmortara.com HQ: Milwaukee, WI, United StatesReported employees: 201-500 | Milwaukee, WI, United States | 201-500 | Exact match | 109 contacts → |
“For over 30 years, Mortara Instrument, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Prepmdprepmd.com HQ: Braintree, MA, United StatesReported employees: 51-200 | Braintree, MA, United States | 51-200 | Exact match | 108 contacts → |
“Founded in 2009, PrepMD stands at the forefront of cardiac healthcare solutions, renowned for blending clinical expertise with technological innovation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Anumanaanumana.ai HQ: Cambridge, MA, United StatesReported employees: 51-200 | Cambridge, MA, United States | 51-200 | Exact match | 98 contacts → |
“Anumana™ is harnessing industry-leading AI and translational science to decode electrical signals from the heart as never before, empowering healthcare providers to transform…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Caretaker Medical Wireless Hemodynamic Monitoringcaretakermedical.net HQ: Charlottesville, VA, United StatesReported employees: 11-50 | Charlottesville, VA, United States | 11-50 | Exact match | 87 contacts → |
“Caretaker Medical is a cutting-edge digital health startup headquartered in Charlottesville, Virginia.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Fukuda Denshi USAfukudaamerica.com HQ: Redmond, WA, United StatesReported employees: 11-50 | Redmond, WA, United States | 11-50 | Exact match | 80 contacts → |
“Fukuda Denshi’s innovative technologies always have a strong impact around the world with our Electrocardiographs, Patient Monitoring Systems, and other medical engineering…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Zywie, INCzywie.healthcare HQ: Johns Creek, GA, United StatesReported employees: 51-200 | Johns Creek, GA, United States | 51-200 | Exact match | 78 contacts → |
“At Zywie, we’re redefining how cardiac data translates into clinical insight.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Scottcarescottcare.com HQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 77 contacts → |
“ScottCare is the leading provider of telemetry monitoring solutions designed specifically for cardiac and pulmonary rehabilitation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Semler Scientificsemlerscientific.com HQ: Santa Clara, CA, United StatesReported employees: 51-200 | Santa Clara, CA, United States | 51-200 | Exact match | 75 contacts → |
“Semler Scientific, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Contec USAcontecmed.com HQ: Chicago, United StatesReported employees: 1,001-5,000 | Chicago, United States | 1,001-5,000 | Exact match | 75 contacts → |
“Contec Medical Systems Co, Ltd.(hereinafter referred to as CONTEC) is a high-tech company which focuses on research, manufacture and distribution of medical devices since 1996…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Fourth Frontierfourthfrontier.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 73 contacts → |
“Fourth Frontier is a pioneering health tech company that builds and offers products and services for monitoring and improving heart health for people across the world.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 262 company matches
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Heart rhythm monitoring companies: dataset insights
September 20, 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
262 records in the displayed employee bands.
0 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 262 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: September 20, 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 heart rhythm monitoring companies?
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 heart rhythm monitoring companies did RevenueBase find based in the United States?
The saved snapshot records 262 matching company records, 13,967 tracked contacts and 6,043 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: September 20, 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
Heart rhythm monitoring companies by geography
Cite this list
RevenueBase Data Team. Top 25 heart rhythm monitoring companies based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/heart-rhythm-monitoring-companies/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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