Company lists · Data refreshed September 2026
Top 25 Diagnostic companies based in the United States
RevenueBase identified 3,243 company matches for diagnostic companies associated with the United States as of September 2026 and tracks 392,132 professional contacts across them, including 139,351 with verified work emails. San Diego is the largest hub.
This list covers company matches for diagnostic 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 19, 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 diagnostic companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 70,907 contacts → | ||||
Exact match “About Thermo Fisher Scientific Thermo Fisher Scientific Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 48,455 contacts → | ||||
Exact match “Agilent customers are finding new ways to treat cancer, ensure food, water, air, and medicine quality and safety, discover new drug treatments, research infectious diseases, and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 38,427 contacts → | ||||
Exact match “Clear and confident health care decisions begin with questions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 27,884 contacts → | ||||
Exact match “Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 10,069 contacts → | ||||
Exact match “A global leader in advanced diagnostics, Beckman Coulter has challenged convention to elevate the diagnostic laboratory’s role in improving patient health for more than 80 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 8,987 contacts → | ||||
Exact match “At Illumina, our goal is to apply innovative technologies and revolutionary assays to the analysis of genetic variation and function, making studies possible that were not even…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 8,189 contacts → | ||||
Exact match “Waters Corporation (NYSE: WAT) is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 8,149 contacts → | ||||
Exact match “Bio-Rad provides the healthcare industry with innovative and useful products that help life science researchers accelerate the discovery process and medical diagnostic labs obtain…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 6,962 contacts → | ||||
Exact match “people, one global focus - enhancing the health and well-being of pets, people, and livestock We are passionate about what we do at IDEXX – and why wouldn’t we be?” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 5,907 contacts → | ||||
Exact match “Exact Sciences is now @Abbott.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 5,354 contacts → | ||||
Exact match “Natera™ is a global leader in cell-free DNA and precision medicine, dedicated to oncology, women’s health, and organ health.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 4,445 contacts → | ||||
Exact match “Cepheid is dedicated to improving healthcare by pioneering molecular diagnostics that combine speed, accuracy, and flexibility.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 3,321 contacts → | ||||
Exact match “Guardant Health is a leading precision medicine company focused on guarding wellness and giving every person more time free from cancer.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 3,126 contacts → | ||||
Exact match “RadNet, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 3,033 contacts → | ||||
Exact match “As a global healthcare company, we understand customer needs and innovate and deliver medical solutions that transform patient care.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 2,941 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 2,938 contacts → | ||||
Exact match “At Revvity, “impossible” is inspiration, and ""can't be done"" is a call to action.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 2,730 contacts → | ||||
Exact match “QuidelOrtho develops and manufactures intelligent solutions that are transforming data into understanding and action for more people in more places every day, helping spot trends…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 2,718 contacts → | ||||
Exact match “Myriad Genetics is a leading molecular diagnostic testing and precision medicine company dedicated to advancing health and well-being for all.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 2,121 contacts → | ||||
Exact match “Time is the most critical facet in the laboratory today: time to get life-saving therapies to patients faster; reclaiming time by automating tedious manual workflows; and saving…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 1,976 contacts → | ||||
Exact match “Bio-Techne is a global life sciences company that empowers scientific discovery and advances human health.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 1,959 contacts → | ||||
Exact match “Curium is the global leader in nuclear medicine, providing life-changing diagnostics and treatment to patients all over the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 1,908 contacts → | ||||
Exact match “Werfen is a growing, family-owned, innovative company founded in 1966 in Barcelona, Spain.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 1,884 contacts → | ||||
Exact match “Smarter Diagnostics.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 1,747 contacts → | ||||
Exact match “Foundation Medicine is a global, patient-focused precision medicine company delivering high-quality, transformative diagnostic solutions in cancer and other diseases.” Recorded in the RevenueBase company graph · Sep 19, 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 “diagnostic 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 3,243 diagnostic companies based in the United States
See the full list, filter by size, metro and specialty, and access 139,351 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Diagnostic companies 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 3,243 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 “diagnostic 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 139,351 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 19, 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.
Diagnostic companies by metro
- Diagnostic companies in San Diego82
- Diagnostic companies in Houston72
- Diagnostic companies in New York66
- Diagnostic companies in Irvine54
- Diagnostic companies in Los Angeles51
- Diagnostic companies in Dallas39
- Diagnostic companies in Miami38
- Diagnostic companies in Atlanta33
- Diagnostic companies in Chicago30
- Diagnostic companies in Boston28
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 “diagnostic companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many diagnostic companies are there based in the United States?
RevenueBase identified 3,243 company matches for diagnostic 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?
Thermo Fisher Scientific tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most diagnostic companies?
San Diego leads with 82 company records, followed by Houston (72) and New York (66).
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 139,351 professional contacts with verified work emails tracked across these 3,243 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,243 diagnostic companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Diagnostic companies by geography
- Diagnostic companies based in Belo Horizonte, Brazil
- Diagnostic companies based in Curitiba, Brazil
- Diagnostic companies based in Fortaleza, Brazil
- Diagnostic companies based in Porto Alegre, Brazil
- Diagnostic companies based in Rio De Janeiro, Brazil
- Diagnostic companies based in Sao Paulo, Brazil
- Diagnostic companies based in Ahmedabad, India
- Diagnostic companies based in Bangalore, India
- Diagnostic companies based in Chennai, India
- Diagnostic companies based in Delhi, India
- Diagnostic companies based in Gurgaon, India
- Diagnostic companies based in Hyderabad, India
Browse the directory
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
- Diagnostic companies based in Belo Horizonte, Brazil
- Diagnostic companies based in Curitiba, Brazil
- Diagnostic companies based in Fortaleza, Brazil
- Diagnostic companies based in Porto Alegre, Brazil
- Diagnostic companies based in Rio De Janeiro, Brazil
- Diagnostic companies based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 diagnostic 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 3,243 matching company records for diagnostic companies based in the United States, with 392,132 tracked contacts and 139,351 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 19, 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 diagnostic 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 |  Thermo Fisher Scientificthermofisher.comHQ: Waltham, MA, United StatesReported employees: 10001+ | Waltham, MA, United States | 10001+ | Exact match | 70,907 contacts → |
“About Thermo Fisher Scientific Thermo Fisher Scientific Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Agilent Technologiesagilent.comHQ: Santa Clara, CA, United StatesReported employees: 10001+ | Santa Clara, CA, United States | 10001+ | Exact match | 48,455 contacts → |
“Agilent customers are finding new ways to treat cancer, ensure food, water, air, and medicine quality and safety, discover new drug treatments, research infectious diseases, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Labcorplabcorp.comHQ: Burlington, NC, United StatesReported employees: 10001+ | Burlington, NC, United States | 10001+ | Exact match | 38,427 contacts → |
“Clear and confident health care decisions begin with questions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Quest Diagnosticsquestdiagnostics.comHQ: Secaucus, NJ, United StatesReported employees: 10001+ | Secaucus, NJ, United States | 10001+ | Exact match | 27,884 contacts → |
“Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Beckman Coulter Diagnosticsbeckmancoulter.comHQ: Brea, CA, United StatesReported employees: 10001+ | Brea, CA, United States | 10001+ | Exact match | 10,069 contacts → |
“A global leader in advanced diagnostics, Beckman Coulter has challenged convention to elevate the diagnostic laboratory’s role in improving patient health for more than 80 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Illuminaillumina.comHQ: San Diego, CA, United StatesReported employees: 5,001-10,000 | San Diego, CA, United States | 5,001-10,000 | Exact match | 8,987 contacts → |
“At Illumina, our goal is to apply innovative technologies and revolutionary assays to the analysis of genetic variation and function, making studies possible that were not even…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Waters Corporationwaters.comHQ: Milford, MA, United StatesReported employees: 10001+ | Milford, MA, United States | 10001+ | Exact match | 8,189 contacts → |
“Waters Corporation (NYSE: WAT) is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Bio-Rad Laboratoriesbio-rad.comHQ: Hercules, CA, United StatesReported employees: 5,001-10,000 | Hercules, CA, United States | 5,001-10,000 | Exact match | 8,149 contacts → |
“Bio-Rad provides the healthcare industry with innovative and useful products that help life science researchers accelerate the discovery process and medical diagnostic labs obtain…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  IDEXXidexx.comHQ: Westbrook, ME, United StatesReported employees: 10001+ | Westbrook, ME, United States | 10001+ | Exact match | 6,962 contacts → |
“people, one global focus - enhancing the health and well-being of pets, people, and livestock We are passionate about what we do at IDEXX – and why wouldn’t we be?” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Exact Sciencesexactsciences.comHQ: Madison, WI, United StatesReported employees: 5,001-10,000 | Madison, WI, United States | 5,001-10,000 | Exact match | 5,907 contacts → |
“Exact Sciences is now @Abbott.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Nateranatera.comHQ: Austin, TX, United StatesReported employees: 5,001-10,000 | Austin, TX, United States | 5,001-10,000 | Exact match | 5,354 contacts → |
“Natera™ is a global leader in cell-free DNA and precision medicine, dedicated to oncology, women’s health, and organ health.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Cepheidcepheid.comHQ: Sunnyvale, CA, United StatesReported employees: 5,001-10,000 | Sunnyvale, CA, United States | 5,001-10,000 | Exact match | 4,445 contacts → |
“Cepheid is dedicated to improving healthcare by pioneering molecular diagnostics that combine speed, accuracy, and flexibility.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Guardant Healthguardanthealth.comHQ: Palo Alto, CA, United StatesReported employees: 1,001-5,000 | Palo Alto, CA, United States | 1,001-5,000 | Exact match | 3,321 contacts → |
“Guardant Health is a leading precision medicine company focused on guarding wellness and giving every person more time free from cancer.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Radnetradnet.comHQ: Los Angeles, CA, United StatesReported employees: 10001+ | Los Angeles, CA, United States | 10001+ | Exact match | 3,126 contacts → |
“RadNet, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Merit Medical Systems, INCmerit.comHQ: South Jordan, UT, United StatesReported employees: 5,001-10,000 | South Jordan, UT, United States | 5,001-10,000 | Exact match | 3,033 contacts → |
“As a global healthcare company, we understand customer needs and innovate and deliver medical solutions that transform patient care.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Danaherdanaher.comHQ: Washington, DC, United StatesReported employees: 10001+ | Washington, DC, United States | 10001+ | Exact match | 2,941 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  Revvityrevvity.comHQ: Waltham, MA, United StatesReported employees: 10001+ | Waltham, MA, United States | 10001+ | Exact match | 2,938 contacts → |
“At Revvity, “impossible” is inspiration, and ""can't be done"" is a call to action.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ortho Clinical Diagnosticsquidelortho.comHQ: Raritan, NJ, United StatesReported employees: 1,001-5,000 | Raritan, NJ, United States | 1,001-5,000 | Exact match | 2,730 contacts → |
“QuidelOrtho develops and manufactures intelligent solutions that are transforming data into understanding and action for more people in more places every day, helping spot trends…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Myriad Geneticsmyriad.comHQ: Salt Lake City, UT, United StatesReported employees: 1,001-5,000 | Salt Lake City, UT, United States | 1,001-5,000 | Exact match | 2,718 contacts → |
“Myriad Genetics is a leading molecular diagnostic testing and precision medicine company dedicated to advancing health and well-being for all.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Beckman Coulter Life Sciencesbeckman.comHQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 2,121 contacts → |
“Time is the most critical facet in the laboratory today: time to get life-saving therapies to patients faster; reclaiming time by automating tedious manual workflows; and saving…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Bio-Technebio-techne.comHQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,976 contacts → |
“Bio-Techne is a global life sciences company that empowers scientific discovery and advances human health.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Curium Pharmacuriumpharma.comHQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 1,959 contacts → |
“Curium is the global leader in nuclear medicine, providing life-changing diagnostics and treatment to patients all over the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Werfen North Americawerfen.comHQ: Bedford, MA, United StatesReported employees: 1,001-5,000 | Bedford, MA, United States | 1,001-5,000 | Exact match | 1,908 contacts → |
“Werfen is a growing, family-owned, innovative company founded in 1966 in Barcelona, Spain.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Antech Diagnosticsantechdiagnostics.comHQ: Fountain Valley, CA, United StatesReported employees: 1,001-5,000 | Fountain Valley, CA, United States | 1,001-5,000 | Exact match | 1,884 contacts → |
“Smarter Diagnostics.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Foundation Medicinefoundationmedicine.comHQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 1,747 contacts → |
“Foundation Medicine is a global, patient-focused precision medicine company delivering high-quality, transformative diagnostic solutions in cancer and other diseases.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,243 company matches
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Diagnostic companies: dataset insights
September 19, 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
3,239 records in the displayed employee bands.
4 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 3,243 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 19, 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 ↗
Diagnostic companies by metro
- Diagnostic companies in San Diego82
- Diagnostic companies in Houston72
- Diagnostic companies in New York66
- Diagnostic companies in Irvine54
- Diagnostic companies in Los Angeles51
- Diagnostic companies in Dallas39
- Diagnostic companies in Miami38
- Diagnostic companies in Atlanta33
- Diagnostic companies in Chicago30
- Diagnostic companies in Boston28
Questions about this company list
What does Exact match mean for diagnostic 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 diagnostic companies did RevenueBase find based in the United States?
The saved snapshot records 3,243 matching company records, 392,132 tracked contacts and 139,351 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 19, 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
Diagnostic companies by geography
- Diagnostic companies based in Belo Horizonte, Brazil
- Diagnostic companies based in Curitiba, Brazil
- Diagnostic companies based in Fortaleza, Brazil
- Diagnostic companies based in Porto Alegre, Brazil
- Diagnostic companies based in Rio De Janeiro, Brazil
- Diagnostic companies based in Sao Paulo, Brazil
- Diagnostic companies based in Ahmedabad, India
- Diagnostic companies based in Bangalore, India
- Diagnostic companies based in Chennai, India
- Diagnostic companies based in Delhi, India
- Diagnostic companies based in Gurgaon, India
- Diagnostic companies based in Hyderabad, India
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 diagnostic companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/diagnostic-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
- Diagnostic companies based in Belo Horizonte, Brazil
- Diagnostic companies based in Curitiba, Brazil
- Diagnostic companies based in Fortaleza, Brazil
- Diagnostic companies based in Porto Alegre, Brazil
- Diagnostic companies based in Rio De Janeiro, Brazil
- Diagnostic companies based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 diagnostic companies based in the United States
RevenueBase records 3,243 matching company records for diagnostic companies based in the United States, with 392,132 tracked contacts and 139,351 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 19, 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 diagnostic 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 | Thermo Fisher Scientificthermofisher.com HQ: Waltham, MA, United StatesReported employees: 10001+ | Waltham, MA, United States | 10001+ | Exact match | 70,907 contacts → |
“About Thermo Fisher Scientific Thermo Fisher Scientific Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Agilent Technologiesagilent.com HQ: Santa Clara, CA, United StatesReported employees: 10001+ | Santa Clara, CA, United States | 10001+ | Exact match | 48,455 contacts → |
“Agilent customers are finding new ways to treat cancer, ensure food, water, air, and medicine quality and safety, discover new drug treatments, research infectious diseases, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Labcorplabcorp.com HQ: Burlington, NC, United StatesReported employees: 10001+ | Burlington, NC, United States | 10001+ | Exact match | 38,427 contacts → |
“Clear and confident health care decisions begin with questions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Quest Diagnosticsquestdiagnostics.com HQ: Secaucus, NJ, United StatesReported employees: 10001+ | Secaucus, NJ, United States | 10001+ | Exact match | 27,884 contacts → |
“Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Beckman Coulter Diagnosticsbeckmancoulter.com HQ: Brea, CA, United StatesReported employees: 10001+ | Brea, CA, United States | 10001+ | Exact match | 10,069 contacts → |
“A global leader in advanced diagnostics, Beckman Coulter has challenged convention to elevate the diagnostic laboratory’s role in improving patient health for more than 80 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Illuminaillumina.com HQ: San Diego, CA, United StatesReported employees: 5,001-10,000 | San Diego, CA, United States | 5,001-10,000 | Exact match | 8,987 contacts → |
“At Illumina, our goal is to apply innovative technologies and revolutionary assays to the analysis of genetic variation and function, making studies possible that were not even…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Waters Corporationwaters.com HQ: Milford, MA, United StatesReported employees: 10001+ | Milford, MA, United States | 10001+ | Exact match | 8,189 contacts → |
“Waters Corporation (NYSE: WAT) is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Bio-Rad Laboratoriesbio-rad.com HQ: Hercules, CA, United StatesReported employees: 5,001-10,000 | Hercules, CA, United States | 5,001-10,000 | Exact match | 8,149 contacts → |
“Bio-Rad provides the healthcare industry with innovative and useful products that help life science researchers accelerate the discovery process and medical diagnostic labs obtain…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | IDEXXidexx.com HQ: Westbrook, ME, United StatesReported employees: 10001+ | Westbrook, ME, United States | 10001+ | Exact match | 6,962 contacts → |
“people, one global focus - enhancing the health and well-being of pets, people, and livestock We are passionate about what we do at IDEXX – and why wouldn’t we be?” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Exact Sciencesexactsciences.com HQ: Madison, WI, United StatesReported employees: 5,001-10,000 | Madison, WI, United States | 5,001-10,000 | Exact match | 5,907 contacts → |
“Exact Sciences is now @Abbott.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Nateranatera.com HQ: Austin, TX, United StatesReported employees: 5,001-10,000 | Austin, TX, United States | 5,001-10,000 | Exact match | 5,354 contacts → |
“Natera™ is a global leader in cell-free DNA and precision medicine, dedicated to oncology, women’s health, and organ health.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cepheidcepheid.com HQ: Sunnyvale, CA, United StatesReported employees: 5,001-10,000 | Sunnyvale, CA, United States | 5,001-10,000 | Exact match | 4,445 contacts → |
“Cepheid is dedicated to improving healthcare by pioneering molecular diagnostics that combine speed, accuracy, and flexibility.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Guardant Healthguardanthealth.com HQ: Palo Alto, CA, United StatesReported employees: 1,001-5,000 | Palo Alto, CA, United States | 1,001-5,000 | Exact match | 3,321 contacts → |
“Guardant Health is a leading precision medicine company focused on guarding wellness and giving every person more time free from cancer.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Radnetradnet.com HQ: Los Angeles, CA, United StatesReported employees: 10001+ | Los Angeles, CA, United States | 10001+ | Exact match | 3,126 contacts → |
“RadNet, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Merit Medical Systems, INCmerit.com HQ: South Jordan, UT, United StatesReported employees: 5,001-10,000 | South Jordan, UT, United States | 5,001-10,000 | Exact match | 3,033 contacts → |
“As a global healthcare company, we understand customer needs and innovate and deliver medical solutions that transform patient care.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Danaherdanaher.com HQ: Washington, DC, United StatesReported employees: 10001+ | Washington, DC, United States | 10001+ | Exact match | 2,941 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Revvityrevvity.com HQ: Waltham, MA, United StatesReported employees: 10001+ | Waltham, MA, United States | 10001+ | Exact match | 2,938 contacts → |
“At Revvity, “impossible” is inspiration, and ""can't be done"" is a call to action.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ortho Clinical Diagnosticsquidelortho.com HQ: Raritan, NJ, United StatesReported employees: 1,001-5,000 | Raritan, NJ, United States | 1,001-5,000 | Exact match | 2,730 contacts → |
“QuidelOrtho develops and manufactures intelligent solutions that are transforming data into understanding and action for more people in more places every day, helping spot trends…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Myriad Geneticsmyriad.com HQ: Salt Lake City, UT, United StatesReported employees: 1,001-5,000 | Salt Lake City, UT, United States | 1,001-5,000 | Exact match | 2,718 contacts → |
“Myriad Genetics is a leading molecular diagnostic testing and precision medicine company dedicated to advancing health and well-being for all.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Beckman Coulter Life Sciencesbeckman.com HQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 2,121 contacts → |
“Time is the most critical facet in the laboratory today: time to get life-saving therapies to patients faster; reclaiming time by automating tedious manual workflows; and saving…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bio-Technebio-techne.com HQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,976 contacts → |
“Bio-Techne is a global life sciences company that empowers scientific discovery and advances human health.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Curium Pharmacuriumpharma.com HQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 1,959 contacts → |
“Curium is the global leader in nuclear medicine, providing life-changing diagnostics and treatment to patients all over the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Werfen North Americawerfen.com HQ: Bedford, MA, United StatesReported employees: 1,001-5,000 | Bedford, MA, United States | 1,001-5,000 | Exact match | 1,908 contacts → |
“Werfen is a growing, family-owned, innovative company founded in 1966 in Barcelona, Spain.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Antech Diagnosticsantechdiagnostics.com HQ: Fountain Valley, CA, United StatesReported employees: 1,001-5,000 | Fountain Valley, CA, United States | 1,001-5,000 | Exact match | 1,884 contacts → |
“Smarter Diagnostics.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Foundation Medicinefoundationmedicine.com HQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 1,747 contacts → |
“Foundation Medicine is a global, patient-focused precision medicine company delivering high-quality, transformative diagnostic solutions in cancer and other diseases.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,243 company matches
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Diagnostic companies: dataset insights
September 19, 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
3,239 records in the displayed employee bands.
4 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 3,243 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 19, 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 ↗
Diagnostic companies by metro
- Diagnostic companies in San Diego82
- Diagnostic companies in Houston72
- Diagnostic companies in New York66
- Diagnostic companies in Irvine54
- Diagnostic companies in Los Angeles51
- Diagnostic companies in Dallas39
- Diagnostic companies in Miami38
- Diagnostic companies in Atlanta33
- Diagnostic companies in Chicago30
- Diagnostic companies in Boston28
Questions about this company list
What does Exact match mean for diagnostic 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 diagnostic companies did RevenueBase find based in the United States?
The saved snapshot records 3,243 matching company records, 392,132 tracked contacts and 139,351 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 19, 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
Diagnostic companies by geography
- Diagnostic companies based in Belo Horizonte, Brazil
- Diagnostic companies based in Curitiba, Brazil
- Diagnostic companies based in Fortaleza, Brazil
- Diagnostic companies based in Porto Alegre, Brazil
- Diagnostic companies based in Rio De Janeiro, Brazil
- Diagnostic companies based in Sao Paulo, Brazil
- Diagnostic companies based in Ahmedabad, India
- Diagnostic companies based in Bangalore, India
- Diagnostic companies based in Chennai, India
- Diagnostic companies based in Delhi, India
- Diagnostic companies based in Gurgaon, India
- Diagnostic companies based in Hyderabad, India
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 diagnostic companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/diagnostic-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
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- Diagnostic companies based in Belo Horizonte, Brazil
- Diagnostic companies based in Curitiba, Brazil
- Diagnostic companies based in Fortaleza, Brazil
- Diagnostic companies based in Porto Alegre, Brazil
- Diagnostic companies based in Rio De Janeiro, Brazil
- Diagnostic companies based in Sao Paulo, Brazil