Company lists · Data refreshed September 2026

Top 25 Precision oncology companies based in the United States

Name: Precision oncology companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 824 companies tracked

RevenueBase identified 824 precision oncology companies headquartered in the United States as of September 2026 and tracks 53,072 professional contacts across them, including 26,210 with verified work emails. San Diego is the largest hub.

This list covers precision oncology companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review

824Companies

53,072Contacts tracked

26,210Verified emails

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The 25 largest precision oncology companies based in the United States

Ranked by team size

Top 25 of 824 precision oncology companies based in the United States, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to precision oncology companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Natera	Strong evidence	Austin, TX, United StatesHQ checked Sep 16, 2026	5,001-10,000	5,354 contacts →
	Strong evidence “Natera™ is a global leader in cell-free DNA and precision medicine, dedicated to oncology, women’s health, and organ health.” Source: RevenueBase Database · checked Sep 16, 2026
2	Guardant Health	Partial evidence	Palo Alto, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	3,321 contacts →
	Partial evidence “Guardant Health is a leading precision medicine company focused on guarding wellness and giving every person more time free from cancer.” Source: RevenueBase Database · checked Sep 16, 2026
3	Tempus AI	Partial evidence	Chicago, IL, United StatesHQ checked Sep 16, 2026	1,001-5,000	2,758 contacts →
	Partial evidence “Tempus is a technology company advancing precision medicine through the practical application of artificial intelligence in healthcare.” Source: RevenueBase Database · checked Sep 16, 2026
4	Foundation Medicine	Partial evidence	Boston, MA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,747 contacts →
	Partial evidence “Foundation Medicine is a global, patient-focused precision medicine company delivering high-quality, transformative diagnostic solutions in cancer and other diseases.” Source: RevenueBase Database · checked Sep 16, 2026
5	Neogenomics Laboratories	Indirect evidence	Fort Myers, FL, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,678 contacts →
	Indirect evidence “Our vision: A world where every cancer treatment decision is as personal as the patient.” Source: RevenueBase Database · checked Sep 16, 2026
6	Caris Life Sciences	Partial evidence	Irving, TX, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,556 contacts →
	Partial evidence “Caris Life Sciences® (Caris) is the leading next-generation TechBio company and precision medicine pioneer that is actively developing and delivering innovative solutions to…” Source: RevenueBase Database · checked Sep 16, 2026
7	Flatiron Health	Indirect evidence	New York, NY, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,516 contacts →
	Indirect evidence “Flatiron Health’s mission is to improve and extend lives by learning from the experience of every person with cancer.” Source: RevenueBase Database · checked Sep 16, 2026
8	Exelixis	Indirect evidence	Alameda, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,426 contacts →
	Indirect evidence “Every Exelixis employee is united in an ambitious cause: to transform science into new treatments that give cancer patients and their families hope for the future.” Source: RevenueBase Database · checked Sep 16, 2026
9	GRAIL	Indirect evidence	Menlo Park, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,037 contacts →
	Indirect evidence “Our mission is to detect cancer early, when it can be cured.” Source: RevenueBase Database · checked Sep 16, 2026
10	21st Century Oncology	Indirect evidence	Fort Myers, FL, United StatesHQ checked Sep 16, 2026	1,001-5,000	925 contacts →
	Indirect evidence “At GenesisCare, we offer multidisciplinary personalized cancer treatments based on individual patient needs.” Source: RevenueBase Database · checked Sep 16, 2026
11	Revolution Medicines	Indirect evidence	Redwood City, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	879 contacts →
	Indirect evidence “We are Revolutionaries – passionate in our singular pursuit of discovering, developing and delivering innovative, targeted medicines for patients living with cancer.” Source: RevenueBase Database · checked Sep 16, 2026
12	Invitae	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	703 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026
13	Menarini Stemline	Indirect evidence	New York, NY, United StatesHQ checked Sep 16, 2026	501-1,000	677 contacts →
	Indirect evidence “The Menarini Group ("Menarini"), a leading Italian pharmaceutical and diagnostics company, and Stemline Therapeutics, Inc.("Stemline"), a wholly-owned subsidiary of the Menarini…” Source: RevenueBase Database · checked Sep 16, 2026
14	Epredia	Indirect evidence	Portsmouth, NH, United StatesHQ checked Sep 16, 2026	1,001-5,000	676 contacts →
	Indirect evidence “Every second of every hour of every day, 44 of our products are employed in the battle against cancer.” Source: RevenueBase Database · checked Sep 16, 2026
15	Veracyte, INC	Indirect evidence	South San Francisco, CA, United StatesHQ checked Sep 16, 2026	501-1,000	675 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026
16	Arcus Biosciences	Indirect evidence	Hayward, CA, United StatesHQ checked Sep 16, 2026	501-1,000	632 contacts →
	Indirect evidence “Arcus Biosciences is a rapidly growing, clinical-stage, global biopharmaceutical company developing differentiated molecules and combination medicines that may have the potential…” Source: RevenueBase Database · checked Sep 16, 2026
17	Onco360 Oncology Pharmacy	Partial evidence	Louisville, KY, United StatesHQ checked Sep 16, 2026	501-1,000	630 contacts →
	Partial evidence “Onco360 is recognized as one of the nation's leading independent specialty pharmacies dedicated exclusively to oncology and rare disease patients.” Source: RevenueBase Database · checked Sep 16, 2026
18	Deciphera Pharmaceuticals	Indirect evidence	Waltham, MA, United StatesHQ checked Sep 16, 2026	201-500	482 contacts →
	Indirect evidence “Deciphera, a member of Ono Pharmaceutical Co, Ltd, is a commercial-stage biopharmaceutical company focused on discovering, developing and delivering novel, innovative medicines to…” Source: RevenueBase Database · checked Sep 16, 2026
19	Crown Bioscience	Partial evidence	San Diego, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	441 contacts →
	Partial evidence “Crown Bioscience, a JSR Life Sciences company, is a global contract research organization (CRO) providing discovery, preclinical, and translational platforms to advance oncology…” Source: RevenueBase Database · checked Sep 16, 2026
20	Fulgent Genetics	Indirect evidence	El Monte, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	435 contacts →
	Indirect evidence “Our mission is to develop flexible and affordable diagnostics and therapeutics that improve the everyday lives of those around us.” Source: RevenueBase Database · checked Sep 16, 2026
21	Eikon Therapeutics	Indirect evidence	Millbrae, CA, United StatesHQ checked Sep 16, 2026	201-500	423 contacts →
	Indirect evidence “Eikon Therapeutics is a late-stage clinical biopharmaceutical company advancing a pipeline of potential therapies for patients with unmet medical needs.” Source: RevenueBase Database · checked Sep 16, 2026
22	Taiho Oncology, INC	Partial evidence	Princeton, NJ, United StatesHQ checked Sep 16, 2026	201-500	405 contacts →
	Partial evidence “The mission of Taiho Oncology, Inc.” Source: RevenueBase Database · checked Sep 16, 2026
23	Bostongene	Indirect evidence	Waltham, MA, United StatesHQ checked Sep 16, 2026	501-1,000	383 contacts →
	Indirect evidence “BostonGene is redefining cancer patient care and drug development through the integration of omnimodal data and AI.” Source: RevenueBase Database · checked Sep 16, 2026
24	Personalis, INC	Indirect evidence	Fremont, CA, United StatesHQ checked Sep 16, 2026	201-500	325 contacts →
	Indirect evidence “At Personalis, we are transforming the active management of cancer through breakthrough personalized testing.” Source: RevenueBase Database · checked Sep 16, 2026
25	Sïparadigm Diagnostic Informatics	Indirect evidence	Pine Brook, NJ, United StatesHQ checked Sep 16, 2026	201-500	309 contacts →
	Indirect evidence “With over 18 years of experience in the medical field.” Source: RevenueBase Database · checked Sep 16, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: precision oncology companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names precision oncology companies.
Partial evidence: Its own public description names part of precision oncology companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name precision oncology companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 824 precision oncology companies based in the United States

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Precision oncology companies based in the United States at a glance

As of Sep 16, 2026

49.4%Verified-email coverage

64.4Average contacts per company

11-50Median size (employees)

6.7%Largest-city concentration · San Diego

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

331

11-50

282

51-200

139

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 824 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among precision oncology companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “precision oncology companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names precision oncology companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among precision oncology companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 26,210 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Precision oncology companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names precision oncology companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many precision oncology companies are there based in the United States?

RevenueBase identified 824 precision oncology companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Natera, headquartered in Austin, tops this list with the largest team on record.

Which city has the most precision oncology companies?

San Diego leads with 55 headquartered companies, followed by Cambridge (51) and New York (34).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 26,210 verified decision-maker contacts tracked across these 824 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.

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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 Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.