Company lists · Data refreshed September 2026
Top 25 Companion diagnostic companies based in the United States
RevenueBase identified 837 company matches for companion diagnostic companies associated with the United States as of September 2026 and tracks 75,672 professional contacts across them, including 36,288 with verified work emails. San Diego is the largest hub.
This list covers company matches for companion 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 companion diagnostic companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 5,907 contacts → | ||||
Exact match “Exact Sciences is now @Abbott.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 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 | |||||
| 7 | 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 | |||||
| 8 | 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 | |||||
| 9 | 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 | |||||
| 10 | 1,678 contacts → | ||||
Exact match “Our vision: A world where every cancer treatment decision is as personal as the patient.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 1,556 contacts → | ||||
Exact match “Caris Life Sciences® (Caris) is the leading next-generation TechBio company and precision medicine pioneer that is actively developing and delivering innovative solutions to…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 1,048 contacts → | ||||
Exact match “We see a world where every genetic condition is understood, and every patient receives the care they need to live their healthiest life through genomics.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 957 contacts → | ||||
Exact match “Ambry Genetics, a Tempus company, translates scientific research into clinically actionable test results based upon a deep understanding of the human genome and the biology behind…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 703 contacts → | ||||
Exact match “Invitae, now part of Labcorp, is a leading medical genetics company trusted by millions of patients and their providers to deliver timely genetic information using digital…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 696 contacts → | ||||
Exact match “BillionToOne is a precision diagnostics company with the mission to make molecular diagnostics more accurate, efficient, and accessible.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 682 contacts → | ||||
Exact match “Castle Biosciences (Nasdaq: CSTL) is a leading diagnostics company improving health through innovative tests that guide patient care.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 677 contacts → | ||||
Exact match “The Menarini Group ("Menarini"), a leading Italian pharmaceutical and diagnostics company, and Stemline Therapeutics, Inc.("Stemline"), a wholly-owned subsidiary of the Menarini…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 676 contacts → | ||||
Exact match “Every second of every hour of every day, 44 of our products are employed in the battle against cancer.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 675 contacts → | ||||
Exact match “Veracyte is a global diagnostics company that empowers clinicians with the high-value insights they need to guide and assure patients at pivotal moments in the race to diagnose…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 549 contacts → | ||||
Exact match “Baylor Genetics is a leading diagnostic genomics partner offering a full spectrum of clinically relevant genetic testing, including Whole Genome Sequencing, Whole Exome…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 457 contacts → | ||||
Exact match “CRL was originally founded as Enzyme Technologies in 1979 with our focus on clinical research and development.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 455 contacts → | ||||
Exact match “Quanterix is a company that is digitizing biomarker analysis with the goal of advancing the science of precision health.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 437 contacts → | ||||
Exact match “GenMark Diagnostics is a leading provider of multiplex molecular diagnostic solutions designed to enhance patient care, improve key quality metrics, and reduce the total…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 435 contacts → | ||||
Exact match “Our mission is to develop flexible and affordable diagnostics and therapeutics that improve the everyday lives of those around us.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 361 contacts → | ||||
Exact match “Biodesix is a leading diagnostics solutions company, driven to improve clinical care and outcomes for patients.” 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 “companion 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 837 companion diagnostic companies based in the United States
See the full list, filter by size, metro and specialty, and access 36,288 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Companion 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 837 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 “companion 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 36,288 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.
Companion diagnostic companies by metro
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 “companion diagnostic companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many companion diagnostic companies are there based in the United States?
RevenueBase identified 837 company matches for companion 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?
Beckman Coulter Diagnostics tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most companion diagnostic companies?
San Diego leads with 41 company records, followed by Cambridge (25) and Houston (25).
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 36,288 professional contacts with verified work emails tracked across these 837 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 837 companion diagnostic companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Companion diagnostic companies by geography
- Companion diagnostic companies based in Cambridge, United States
- Companion diagnostic companies based in Houston, United States
- Companion diagnostic companies based in San Diego, United States
- Companion diagnostic companies based in Australia
- Companion diagnostic companies based in Brazil
- Companion diagnostic companies based in Canada
- Companion diagnostic companies based in France
- Companion diagnostic companies based in Germany
- Companion diagnostic companies based in India
- Companion diagnostic companies based in Italy
- Companion diagnostic companies based in the Netherlands
- Companion diagnostic companies based in Singapore
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
- Companion diagnostic companies based in Cambridge, United States
- Companion diagnostic companies based in Houston, United States
- Companion diagnostic companies based in San Diego, United States
- Companion diagnostic companies based in Australia
- Companion diagnostic companies based in Brazil
- Companion diagnostic companies based in Canada
Company intelligence · public preview
Top 25 companion 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 837 matching company records for companion diagnostic companies based in the United States, with 75,672 tracked contacts and 36,288 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 companion 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 |  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. | |||||
| 2 |  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. | |||||
| 3 |  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. | |||||
| 4 |  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. | |||||
| 5 |  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. | |||||
| 6 |  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. | |||||
| 7 |  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. | |||||
| 8 |  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. | |||||
| 9 |  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. | |||||
| 10 |  Neogenomics Laboratoriesneogenomics.comHQ: Fort Myers, FL, United StatesReported employees: 1,001-5,000 | Fort Myers, FL, United States | 1,001-5,000 | Exact match | 1,678 contacts → |
“Our vision: A world where every cancer treatment decision is as personal as the patient.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Caris Life Sciencescarislifesciences.comHQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 1,556 contacts → |
“Caris Life Sciences® (Caris) is the leading next-generation TechBio company and precision medicine pioneer that is actively developing and delivering innovative solutions to…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Genedxgenedx.comHQ: Stamford, CT, United StatesReported employees: 1,001-5,000 | Stamford, CT, United States | 1,001-5,000 | Exact match | 1,048 contacts → |
“We see a world where every genetic condition is understood, and every patient receives the care they need to live their healthiest life through genomics.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ambry Geneticsambrygen.comHQ: Aliso Viejo, CA, United StatesReported employees: 501-1,000 | Aliso Viejo, CA, United States | 501-1,000 | Exact match | 957 contacts → |
“Ambry Genetics, a Tempus company, translates scientific research into clinically actionable test results based upon a deep understanding of the human genome and the biology behind…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Invitaeinvitae.comHQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 703 contacts → |
“Invitae, now part of Labcorp, is a leading medical genetics company trusted by millions of patients and their providers to deliver timely genetic information using digital…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Billiontoonebilliontoone.comHQ: Menlo Park, CA, United StatesReported employees: 501-1,000 | Menlo Park, CA, United States | 501-1,000 | Exact match | 696 contacts → |
“BillionToOne is a precision diagnostics company with the mission to make molecular diagnostics more accurate, efficient, and accessible.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Castle Biosciences, INCcastlebiosciences.com HQ: Friendswood, TX, United StatesReported employees: 501-1,000 | Friendswood, TX, United States | 501-1,000 | Exact match | 682 contacts → |
“Castle Biosciences (Nasdaq: CSTL) is a leading diagnostics company improving health through innovative tests that guide patient care.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Menarini Stemlinestemline.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 677 contacts → |
“The Menarini Group ("Menarini"), a leading Italian pharmaceutical and diagnostics company, and Stemline Therapeutics, Inc.("Stemline"), a wholly-owned subsidiary of the Menarini…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Eprediaepredia.comHQ: Portsmouth, NH, United StatesReported employees: 1,001-5,000 | Portsmouth, NH, United States | 1,001-5,000 | Exact match | 676 contacts → |
“Every second of every hour of every day, 44 of our products are employed in the battle against cancer.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Veracyte, INCveracyte.comHQ: South San Francisco, CA, United StatesReported employees: 501-1,000 | South San Francisco, CA, United States | 501-1,000 | Exact match | 675 contacts → |
“Veracyte is a global diagnostics company that empowers clinicians with the high-value insights they need to guide and assure patients at pivotal moments in the race to diagnose…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Baylor Geneticsbaylorgenetics.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 549 contacts → |
“Baylor Genetics is a leading diagnostic genomics partner offering a full spectrum of clinically relevant genetic testing, including Whole Genome Sequencing, Whole Exome…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Clinical Reference Laboratorycrlcorp.com HQ: Lenexa, KS, United StatesReported employees: 501-1,000 | Lenexa, KS, United States | 501-1,000 | Exact match | 457 contacts → |
“CRL was originally founded as Enzyme Technologies in 1979 with our focus on clinical research and development.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Quanterixquanterix.comHQ: Billerica, MA, United StatesReported employees: 201-500 | Billerica, MA, United States | 201-500 | Exact match | 455 contacts → |
“Quanterix is a company that is digitizing biomarker analysis with the goal of advancing the science of precision health.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Genmark Diagnosticsgenmarkdx.com HQ: Carlsbad, CA, United StatesReported employees: 501-1,000 | Carlsbad, CA, United States | 501-1,000 | Exact match | 437 contacts → |
“GenMark Diagnostics is a leading provider of multiplex molecular diagnostic solutions designed to enhance patient care, improve key quality metrics, and reduce the total…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Fulgent Geneticsfulgentgenetics.comHQ: El Monte, CA, United StatesReported employees: 1,001-5,000 | El Monte, CA, United States | 1,001-5,000 | Exact match | 435 contacts → |
“Our mission is to develop flexible and affordable diagnostics and therapeutics that improve the everyday lives of those around us.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Biodesix, INCbiodesix.com HQ: Louisville, CO, United StatesReported employees: 201-500 | Louisville, CO, United States | 201-500 | Exact match | 361 contacts → |
“Biodesix is a leading diagnostics solutions company, driven to improve clinical care and outcomes for patients.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 837 company matches
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Companion 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
836 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 837 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 ↗
Companion diagnostic companies by metro
Questions about this company list
What does Exact match mean for companion 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 companion diagnostic companies did RevenueBase find based in the United States?
The saved snapshot records 837 matching company records, 75,672 tracked contacts and 36,288 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
Companion diagnostic companies by geography
- Companion diagnostic companies based in Cambridge, United States
- Companion diagnostic companies based in Houston, United States
- Companion diagnostic companies based in San Diego, United States
- Companion diagnostic companies based in Australia
- Companion diagnostic companies based in Brazil
- Companion diagnostic companies based in Canada
- Companion diagnostic companies based in France
- Companion diagnostic companies based in Germany
- Companion diagnostic companies based in India
- Companion diagnostic companies based in Italy
- Companion diagnostic companies based in the Netherlands
- Companion diagnostic companies based in Singapore
Cite this list
RevenueBase Data Team. Top 25 companion diagnostic companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/companion-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
- Companion diagnostic companies based in Cambridge, United States
- Companion diagnostic companies based in Houston, United States
- Companion diagnostic companies based in San Diego, United States
- Companion diagnostic companies based in Australia
- Companion diagnostic companies based in Brazil
- Companion diagnostic companies based in Canada
Company intelligence · public preview
Top 25 companion diagnostic companies based in the United States
RevenueBase records 837 matching company records for companion diagnostic companies based in the United States, with 75,672 tracked contacts and 36,288 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 companion 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 | 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. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | Neogenomics Laboratoriesneogenomics.com HQ: Fort Myers, FL, United StatesReported employees: 1,001-5,000 | Fort Myers, FL, United States | 1,001-5,000 | Exact match | 1,678 contacts → |
“Our vision: A world where every cancer treatment decision is as personal as the patient.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Caris Life Sciencescarislifesciences.com HQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 1,556 contacts → |
“Caris Life Sciences® (Caris) is the leading next-generation TechBio company and precision medicine pioneer that is actively developing and delivering innovative solutions to…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Genedxgenedx.com HQ: Stamford, CT, United StatesReported employees: 1,001-5,000 | Stamford, CT, United States | 1,001-5,000 | Exact match | 1,048 contacts → |
“We see a world where every genetic condition is understood, and every patient receives the care they need to live their healthiest life through genomics.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ambry Geneticsambrygen.com HQ: Aliso Viejo, CA, United StatesReported employees: 501-1,000 | Aliso Viejo, CA, United States | 501-1,000 | Exact match | 957 contacts → |
“Ambry Genetics, a Tempus company, translates scientific research into clinically actionable test results based upon a deep understanding of the human genome and the biology behind…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Invitaeinvitae.com HQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 703 contacts → |
“Invitae, now part of Labcorp, is a leading medical genetics company trusted by millions of patients and their providers to deliver timely genetic information using digital…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Billiontoonebilliontoone.com HQ: Menlo Park, CA, United StatesReported employees: 501-1,000 | Menlo Park, CA, United States | 501-1,000 | Exact match | 696 contacts → |
“BillionToOne is a precision diagnostics company with the mission to make molecular diagnostics more accurate, efficient, and accessible.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Castle Biosciences, INCcastlebiosciences.com HQ: Friendswood, TX, United StatesReported employees: 501-1,000 | Friendswood, TX, United States | 501-1,000 | Exact match | 682 contacts → |
“Castle Biosciences (Nasdaq: CSTL) is a leading diagnostics company improving health through innovative tests that guide patient care.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Menarini Stemlinestemline.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 677 contacts → |
“The Menarini Group ("Menarini"), a leading Italian pharmaceutical and diagnostics company, and Stemline Therapeutics, Inc.("Stemline"), a wholly-owned subsidiary of the Menarini…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Eprediaepredia.com HQ: Portsmouth, NH, United StatesReported employees: 1,001-5,000 | Portsmouth, NH, United States | 1,001-5,000 | Exact match | 676 contacts → |
“Every second of every hour of every day, 44 of our products are employed in the battle against cancer.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Veracyte, INCveracyte.com HQ: South San Francisco, CA, United StatesReported employees: 501-1,000 | South San Francisco, CA, United States | 501-1,000 | Exact match | 675 contacts → |
“Veracyte is a global diagnostics company that empowers clinicians with the high-value insights they need to guide and assure patients at pivotal moments in the race to diagnose…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Baylor Geneticsbaylorgenetics.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 549 contacts → |
“Baylor Genetics is a leading diagnostic genomics partner offering a full spectrum of clinically relevant genetic testing, including Whole Genome Sequencing, Whole Exome…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Clinical Reference Laboratorycrlcorp.com HQ: Lenexa, KS, United StatesReported employees: 501-1,000 | Lenexa, KS, United States | 501-1,000 | Exact match | 457 contacts → |
“CRL was originally founded as Enzyme Technologies in 1979 with our focus on clinical research and development.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Quanterixquanterix.com HQ: Billerica, MA, United StatesReported employees: 201-500 | Billerica, MA, United States | 201-500 | Exact match | 455 contacts → |
“Quanterix is a company that is digitizing biomarker analysis with the goal of advancing the science of precision health.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Genmark Diagnosticsgenmarkdx.com HQ: Carlsbad, CA, United StatesReported employees: 501-1,000 | Carlsbad, CA, United States | 501-1,000 | Exact match | 437 contacts → |
“GenMark Diagnostics is a leading provider of multiplex molecular diagnostic solutions designed to enhance patient care, improve key quality metrics, and reduce the total…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fulgent Geneticsfulgentgenetics.com HQ: El Monte, CA, United StatesReported employees: 1,001-5,000 | El Monte, CA, United States | 1,001-5,000 | Exact match | 435 contacts → |
“Our mission is to develop flexible and affordable diagnostics and therapeutics that improve the everyday lives of those around us.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Biodesix, INCbiodesix.com HQ: Louisville, CO, United StatesReported employees: 201-500 | Louisville, CO, United States | 201-500 | Exact match | 361 contacts → |
“Biodesix is a leading diagnostics solutions company, driven to improve clinical care and outcomes for patients.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 837 company matches
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Companion 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
836 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 837 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 ↗
Companion diagnostic companies by metro
Questions about this company list
What does Exact match mean for companion 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 companion diagnostic companies did RevenueBase find based in the United States?
The saved snapshot records 837 matching company records, 75,672 tracked contacts and 36,288 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
Companion diagnostic companies by geography
- Companion diagnostic companies based in Cambridge, United States
- Companion diagnostic companies based in Houston, United States
- Companion diagnostic companies based in San Diego, United States
- Companion diagnostic companies based in Australia
- Companion diagnostic companies based in Brazil
- Companion diagnostic companies based in Canada
- Companion diagnostic companies based in France
- Companion diagnostic companies based in Germany
- Companion diagnostic companies based in India
- Companion diagnostic companies based in Italy
- Companion diagnostic companies based in the Netherlands
- Companion diagnostic companies based in Singapore
Cite this list
RevenueBase Data Team. Top 25 companion diagnostic companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/companion-diagnostic-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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- Companion diagnostic companies based in Cambridge, United States
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- Companion diagnostic companies based in San Diego, United States
- Companion diagnostic companies based in Australia
- Companion diagnostic companies based in Brazil
- Companion diagnostic companies based in Canada