Company lists · Data refreshed November 2026
Top 25 Tumor testing laboratories worldwide
RevenueBase identified 2,234 company matches for tumor testing laboratories worldwide as of November 2026 and tracks 120,924 professional contacts across them, including 27,791 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for tumor testing laboratories worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for tumor testing laboratories follow the table.
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 tumor testing laboratories worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 30,147 contacts → | ||||
Exact match “Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 5,897 contacts → | ||||
Exact match “Natera™ is a global leader in cell-free DNA and precision medicine, dedicated to oncology, women’s health, organ health, and rare disease.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 3,654 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 2,898 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 2,895 contacts → | ||||
Exact match “ARUP Laboratories is a national clinical and anatomic pathology reference laboratory and a worldwide leader in innovative laboratory research and development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 2,250 contacts → | ||||
Exact match “PathCare Laboratories PathCare is a network of pathology laboratories that provide testing of specimens, primarily for medical diagnostic purposes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,794 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 1,779 contacts → | ||||
Exact match “Our vision: A world where every cancer treatment decision is as personal as the patient.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 1,520 contacts → | ||||
Exact match “For more than four decades, BioReference has built a legacy based on scientific excellence, innovation and world-class service in laboratory testing solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 1,427 contacts → | ||||
Exact match “Prodia Clinical Laboratory was established in Solo on May 7th, 1973 by a number of pharmacy-based scientists.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 1,195 contacts → | ||||
Exact match “Founded in 1965, PathGroup is a premier provider of anatomic, clinical and molecular pathology services, as well as one of the largest providers of women’s health services in the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 996 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 967 contacts → | ||||
Exact match “MedGenome is a global genomics and precision diagnostics company focused on enabling accurate, early and actionable diagnosis through advanced genomic science.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 780 contacts → | ||||
Exact match “CellCarta is a leading global CRO laboratory to the biopharmaceutical and biotechnology industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 772 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 761 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 750 contacts → | ||||
Exact match “European leader in the sector of specialized medical pathology, Eurofins Biomnis carries out over analyses per day from a range of over 2,500 available tests, including…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 747 contacts → | ||||
Exact match “Oncquest Laboratories Ltd is known for its excellence in Clinical Diagnostics.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 704 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 692 contacts → | ||||
Exact match “Solstas Lab Partners has become one of the nation’s fastest-growing and largest full-service laboratories because we understand that our business is more than just test results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 626 contacts → | ||||
Exact match “AmeriPath, Inc, a division of Quest Diagnostics, is one of the nation's largest physician and laboratory companies focused on dermatopathology, anatomic pathology and molecular…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 503 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 500 contacts → | ||||
Exact match “CORE Diagnostics is a Clinical laboratory focused on Next Generation Diagnostics for disease stratification and therapy selection.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 489 contacts → | ||||
Exact match “LetsGetChecked is proud to be Powered by Fuze Health.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 462 contacts → | ||||
Exact match “ACM Global Laboratories, an affiliate of Rochester Regional Health in Rochester, New York, is a recognized leader global clinical trial testing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “tumor testing laboratories”. 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 2,234 tumor testing laboratories worldwide
See the full list, filter by size, metro and specialty, and access 27,791 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tumor testing laboratories worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for tumor testing laboratories are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “tumor testing laboratories” 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. 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 27,791 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Tumor testing laboratories by location
8 lists · largest firstEvery Tumor testing laboratories list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tumor testing laboratories based in the United States546
- Tumor testing laboratories based in Brazil377
- Tumor testing laboratories based in India183
- Tumor testing laboratories based in Germany54
- Tumor testing laboratories based in Mexico51
- Tumor testing laboratories based in Spain46
- Tumor testing laboratories based in the United Kingdom41
- Tumor testing laboratories based in France35
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 “tumor testing laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tumor testing laboratories are there worldwide?
RevenueBase identified 2,234 company matches for tumor testing laboratories worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Quest Diagnostics tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most tumor testing laboratories?
The United States leads with 546 companies, followed by Brazil (377) and India (183). Every tumor testing laboratories list by country and city is linked on this page.
Which city has the most tumor testing laboratories?
Sao Paulo leads with 20 company records, followed by Singapore (14) and Houston (13).
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 27,791 professional contacts with verified work emails tracked across these 2,234 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,234 tumor testing laboratories worldwide. Start with a free account, no credit card.
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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
Company intelligence · public preview
Top 25 tumor testing laboratories worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,234 matching company records for tumor testing laboratories worldwide, with 120,924 tracked contacts and 27,791 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tumor testing laboratories worldwide
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 |  Quest Diagnosticsquestdiagnostics.comHQ: Secaucus, NJ, United StatesReported employees: 10001+ | Secaucus, NJ, United States | 10001+ | Exact match | 30,147 contacts → |
“Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Nateranatera.comHQ: Austin, TX, United StatesReported employees: 5,001-10,000 | Austin, TX, United States | 5,001-10,000 | Exact match | 5,897 contacts → |
“Natera™ is a global leader in cell-free DNA and precision medicine, dedicated to oncology, women’s health, organ health, and rare disease.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Guardant Healthguardanthealth.comHQ: Palo Alto, CA, United StatesReported employees: 1,001-5,000 | Palo Alto, CA, United States | 1,001-5,000 | Exact match | 3,654 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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 | 2,898 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Arup Laboratoriesaruplab.comHQ: Salt Lake City, UT, United StatesReported employees: 1,001-5,000 | Salt Lake City, UT, United States | 1,001-5,000 | Exact match | 2,895 contacts → |
“ARUP Laboratories is a national clinical and anatomic pathology reference laboratory and a worldwide leader in innovative laboratory research and development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Pathcarepathcare.co.zaHQ: Cape Town, South AfricaReported employees: 1,001-5,000 | Cape Town, South Africa | 1,001-5,000 | Exact match | 2,250 contacts → |
“PathCare Laboratories PathCare is a network of pathology laboratories that provide testing of specimens, primarily for medical diagnostic purposes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Foundation Medicinefoundationmedicine.comHQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 1,794 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Neogenomics Laboratoriesneogenomics.comHQ: Fort Myers, FL, United StatesReported employees: 1,001-5,000 | Fort Myers, FL, United States | 1,001-5,000 | Exact match | 1,779 contacts → |
“Our vision: A world where every cancer treatment decision is as personal as the patient.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Bioreferencebioreference.comHQ: Elmwood Park, NJ, United StatesReported employees: 1,001-5,000 | Elmwood Park, NJ, United States | 1,001-5,000 | Exact match | 1,520 contacts → |
“For more than four decades, BioReference has built a legacy based on scientific excellence, innovation and world-class service in laboratory testing solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  PT Prodia Widyahusada TBKprodia.co.idHQ: Jakarta Pusat, IndonesiaReported employees: 1,001-5,000 | Jakarta Pusat, Indonesia | 1,001-5,000 | Exact match | 1,427 contacts → |
“Prodia Clinical Laboratory was established in Solo on May 7th, 1973 by a number of pharmacy-based scientists.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Pathgrouppathgroup.comHQ: Brentwood, TN, United StatesReported employees: 1,001-5,000 | Brentwood, TN, United States | 1,001-5,000 | Exact match | 1,195 contacts → |
“Founded in 1965, PathGroup is a premier provider of anatomic, clinical and molecular pathology services, as well as one of the largest providers of women’s health services in the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Ambry Geneticsambrygen.comHQ: Aliso Viejo, CA, United StatesReported employees: 501-1,000 | Aliso Viejo, CA, United States | 501-1,000 | Exact match | 996 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Medgenomemedgenome.comHQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 967 contacts → |
“MedGenome is a global genomics and precision diagnostics company focused on enabling accurate, early and actionable diagnosis through advanced genomic science.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cellcartacellcarta.comHQ: Montreal, NS, CanadaReported employees: 501-1,000 | Montreal, NS, Canada | 501-1,000 | Exact match | 780 contacts → |
“CellCarta is a leading global CRO laboratory to the biopharmaceutical and biotechnology industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Veracyte, INCveracyte.comHQ: South San Francisco, TX, United StatesReported employees: 501-1,000 | South San Francisco, TX, United States | 501-1,000 | Exact match | 772 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Castle Biosciences, INCcastlebiosciences.comHQ: Friendswood, TX, United StatesReported employees: 501-1,000 | Friendswood, TX, United States | 501-1,000 | Exact match | 761 contacts → |
“Castle Biosciences (Nasdaq: CSTL) is a leading diagnostics company improving health through innovative tests that guide patient care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Eurofins Biomniseurofins-biomnis.comHQ: Lyon, FranceReported employees: 501-1,000 | Lyon, France | 501-1,000 | Exact match | 750 contacts → |
“European leader in the sector of specialized medical pathology, Eurofins Biomnis carries out over analyses per day from a range of over 2,500 available tests, including…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Oncquest Laboratories LTDoncquestlabs.comHQ: Gurgaon, IndiaReported employees: 1,001-5,000 | Gurgaon, India | 1,001-5,000 | Exact match | 747 contacts → |
“Oncquest Laboratories Ltd is known for its excellence in Clinical Diagnostics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Eprediaepredia.comHQ: Portsmouth, United StatesReported employees: 1,001-5,000 | Portsmouth, United States | 1,001-5,000 | Exact match | 704 contacts → |
“Every second of every hour of every day, 44 of our products are employed in the battle against cancer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Solstas LAB Partnerssolstas.comHQ: Greensboro, GA, United StatesReported employees: 1,001-5,000 | Greensboro, GA, United States | 1,001-5,000 | Exact match | 692 contacts → |
“Solstas Lab Partners has become one of the nation’s fastest-growing and largest full-service laboratories because we understand that our business is more than just test results.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ameripathameripath.comHQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 626 contacts → |
“AmeriPath, Inc, a division of Quest Diagnostics, is one of the nation's largest physician and laboratory companies focused on dermatopathology, anatomic pathology and molecular…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Clinical Reference Laboratorycrlcorp.comHQ: Lenexa, KS, United StatesReported employees: 501-1,000 | Lenexa, KS, United States | 501-1,000 | Exact match | 503 contacts → |
“CRL was originally founded as Enzyme Technologies in 1979 with our focus on clinical research and development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Core Diagnosticscorediagnostics.inHQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 500 contacts → |
“CORE Diagnostics is a Clinical laboratory focused on Next Generation Diagnostics for disease stratification and therapy selection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Letsgetcheckedletsgetchecked.comHQ: Jupiter, FL, United StatesReported employees: 501-1,000 | Jupiter, FL, United States | 501-1,000 | Exact match | 489 contacts → |
“LetsGetChecked is proud to be Powered by Fuze Health.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  ACM Global Laboratoriesacmgloballab.comHQ: Rochester, United StatesReported employees: 1,001-5,000 | Rochester, United States | 1,001-5,000 | Exact match | 462 contacts → |
“ACM Global Laboratories, an affiliate of Rochester Regional Health in Rochester, New York, is a recognized leader global clinical trial testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,234 company matches
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Tumor testing laboratories: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,212 records in the displayed employee bands.
22 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,234 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Tumor testing laboratories by location
8 lists · largest firstEvery Tumor testing laboratories list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tumor testing laboratories based in the United States546
- Tumor testing laboratories based in Brazil377
- Tumor testing laboratories based in India183
- Tumor testing laboratories based in Germany54
- Tumor testing laboratories based in Mexico51
- Tumor testing laboratories based in Spain46
- Tumor testing laboratories based in the United Kingdom41
- Tumor testing laboratories based in France35
Questions about this company list
What does Exact match mean for tumor testing laboratories?
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 tumor testing laboratories did RevenueBase find worldwide?
The saved snapshot records 2,234 matching company records, 120,924 tracked contacts and 27,791 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 tumor testing laboratories worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/tumor-testing-laboratories.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 tumor testing laboratories worldwide
RevenueBase records 2,234 matching company records for tumor testing laboratories worldwide, with 120,924 tracked contacts and 27,791 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tumor testing laboratories worldwide
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 | Quest Diagnosticsquestdiagnostics.com HQ: Secaucus, NJ, United StatesReported employees: 10001+ | Secaucus, NJ, United States | 10001+ | Exact match | 30,147 contacts → |
“Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nateranatera.com HQ: Austin, TX, United StatesReported employees: 5,001-10,000 | Austin, TX, United States | 5,001-10,000 | Exact match | 5,897 contacts → |
“Natera™ is a global leader in cell-free DNA and precision medicine, dedicated to oncology, women’s health, organ health, and rare disease.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 | 3,654 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 | 2,898 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Arup Laboratoriesaruplab.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 | 2,895 contacts → |
“ARUP Laboratories is a national clinical and anatomic pathology reference laboratory and a worldwide leader in innovative laboratory research and development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pathcarepathcare.co.za HQ: Cape Town, South AfricaReported employees: 1,001-5,000 | Cape Town, South Africa | 1,001-5,000 | Exact match | 2,250 contacts → |
“PathCare Laboratories PathCare is a network of pathology laboratories that provide testing of specimens, primarily for medical diagnostic purposes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Foundation Medicinefoundationmedicine.com HQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 1,794 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 | 1,779 contacts → |
“Our vision: A world where every cancer treatment decision is as personal as the patient.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Bioreferencebioreference.com HQ: Elmwood Park, NJ, United StatesReported employees: 1,001-5,000 | Elmwood Park, NJ, United States | 1,001-5,000 | Exact match | 1,520 contacts → |
“For more than four decades, BioReference has built a legacy based on scientific excellence, innovation and world-class service in laboratory testing solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | PT Prodia Widyahusada TBKprodia.co.id HQ: Jakarta Pusat, IndonesiaReported employees: 1,001-5,000 | Jakarta Pusat, Indonesia | 1,001-5,000 | Exact match | 1,427 contacts → |
“Prodia Clinical Laboratory was established in Solo on May 7th, 1973 by a number of pharmacy-based scientists.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Pathgrouppathgroup.com HQ: Brentwood, TN, United StatesReported employees: 1,001-5,000 | Brentwood, TN, United States | 1,001-5,000 | Exact match | 1,195 contacts → |
“Founded in 1965, PathGroup is a premier provider of anatomic, clinical and molecular pathology services, as well as one of the largest providers of women’s health services in the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ambry Geneticsambrygen.com HQ: Aliso Viejo, CA, United StatesReported employees: 501-1,000 | Aliso Viejo, CA, United States | 501-1,000 | Exact match | 996 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Medgenomemedgenome.com HQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 967 contacts → |
“MedGenome is a global genomics and precision diagnostics company focused on enabling accurate, early and actionable diagnosis through advanced genomic science.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cellcartacellcarta.com HQ: Montreal, NS, CanadaReported employees: 501-1,000 | Montreal, NS, Canada | 501-1,000 | Exact match | 780 contacts → |
“CellCarta is a leading global CRO laboratory to the biopharmaceutical and biotechnology industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Veracyte, INCveracyte.com HQ: South San Francisco, TX, United StatesReported employees: 501-1,000 | South San Francisco, TX, United States | 501-1,000 | Exact match | 772 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 · November 6, 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 | 761 contacts → |
“Castle Biosciences (Nasdaq: CSTL) is a leading diagnostics company improving health through innovative tests that guide patient care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Eurofins Biomniseurofins-biomnis.com HQ: Lyon, FranceReported employees: 501-1,000 | Lyon, France | 501-1,000 | Exact match | 750 contacts → |
“European leader in the sector of specialized medical pathology, Eurofins Biomnis carries out over analyses per day from a range of over 2,500 available tests, including…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Oncquest Laboratories LTDoncquestlabs.com HQ: Gurgaon, IndiaReported employees: 1,001-5,000 | Gurgaon, India | 1,001-5,000 | Exact match | 747 contacts → |
“Oncquest Laboratories Ltd is known for its excellence in Clinical Diagnostics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Eprediaepredia.com HQ: Portsmouth, United StatesReported employees: 1,001-5,000 | Portsmouth, United States | 1,001-5,000 | Exact match | 704 contacts → |
“Every second of every hour of every day, 44 of our products are employed in the battle against cancer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Solstas LAB Partnerssolstas.com HQ: Greensboro, GA, United StatesReported employees: 1,001-5,000 | Greensboro, GA, United States | 1,001-5,000 | Exact match | 692 contacts → |
“Solstas Lab Partners has become one of the nation’s fastest-growing and largest full-service laboratories because we understand that our business is more than just test results.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ameripathameripath.com HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 626 contacts → |
“AmeriPath, Inc, a division of Quest Diagnostics, is one of the nation's largest physician and laboratory companies focused on dermatopathology, anatomic pathology and molecular…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Clinical Reference Laboratorycrlcorp.com HQ: Lenexa, KS, United StatesReported employees: 501-1,000 | Lenexa, KS, United States | 501-1,000 | Exact match | 503 contacts → |
“CRL was originally founded as Enzyme Technologies in 1979 with our focus on clinical research and development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Core Diagnosticscorediagnostics.in HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 500 contacts → |
“CORE Diagnostics is a Clinical laboratory focused on Next Generation Diagnostics for disease stratification and therapy selection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Letsgetcheckedletsgetchecked.com HQ: Jupiter, FL, United StatesReported employees: 501-1,000 | Jupiter, FL, United States | 501-1,000 | Exact match | 489 contacts → |
“LetsGetChecked is proud to be Powered by Fuze Health.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ACM Global Laboratoriesacmgloballab.com HQ: Rochester, United StatesReported employees: 1,001-5,000 | Rochester, United States | 1,001-5,000 | Exact match | 462 contacts → |
“ACM Global Laboratories, an affiliate of Rochester Regional Health in Rochester, New York, is a recognized leader global clinical trial testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,234 company matches
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Tumor testing laboratories: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,212 records in the displayed employee bands.
22 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,234 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Tumor testing laboratories by location
8 lists · largest firstEvery Tumor testing laboratories list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tumor testing laboratories based in the United States546
- Tumor testing laboratories based in Brazil377
- Tumor testing laboratories based in India183
- Tumor testing laboratories based in Germany54
- Tumor testing laboratories based in Mexico51
- Tumor testing laboratories based in Spain46
- Tumor testing laboratories based in the United Kingdom41
- Tumor testing laboratories based in France35
Questions about this company list
What does Exact match mean for tumor testing laboratories?
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 tumor testing laboratories did RevenueBase find worldwide?
The saved snapshot records 2,234 matching company records, 120,924 tracked contacts and 27,791 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 tumor testing laboratories worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/tumor-testing-laboratories.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗