Company lists · Data refreshed October 2026

Top 25 Diagnostic biotech companies based in San Diego, United States

RevenueBase identified 63 company matches for diagnostic biotech companies associated with San Diego, United States as of October 2026 and tracks 12,593 professional contacts across them, including 5,253 with verified work emails. Across the United States, San Diego is the largest hub for this category.

This list covers company matches for diagnostic biotech companies associated with San Diego, 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 October 11, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 11, 2026 How this list was built
63Companies
12,593Contacts tracked
5,253Verified emails
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The 25 largest diagnostic biotech companies based in San Diego, United States

Ranked by team size
Top 25 of 63 company matches for diagnostic biotech companies based in San Diego, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 20265,001-10,0009,479 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 · Oct 11, 2026 · View company records in RevenueBase
2Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 2026501-1,000438 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 · Oct 11, 2026 · View company records in RevenueBase
3Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202651-200294 contacts →

Exact match

“At Prometheus Laboratories Inc, we enable unique health solutions with novel diagnostics.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202651-200248 contacts →

Exact match

“ACON Laboratories is an international diagnostic and medical device company with our corporate headquarters in San Diego, California USA.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 2026201-500190 contacts →

Exact match

“Invivoscribe® is a global leader dedicated to Improving Lives with Precision Diagnostics®, advancing the quality of healthcare by providing innovative products and clinical…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202651-200153 contacts →

Exact match

“Phamatech was founded in 1991 by a small group of dedicated scientists and business executives.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202651-200134 contacts →

Exact match

“Agena Bioscience® empowers research laboratories worldwide to deliver scalable targeted genomic data.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202651-20066 contacts →

Exact match

“Epic Sciences, Inc.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 20261,001-5,00051 contacts →

Exact match

“Affymetrix including eBioscience, an Affymetrix company, works to integrate genomics, proteomics, and pathways biology for the development of personalized medicine.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202611-5030 contacts →

Exact match

“Veda is derived from the Sanskrit word for the creation of knowledge.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 2026201-50029 contacts →

Exact match

“Mesa Biotech is a healthcare test and data company that provides actionable information through trusted, PCR-based infectious disease testing-anytime, anywhere.* Our patented…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202651-20028 contacts →

Exact match

“Epigenomics is a molecular diagnostics company focused on the development of blood-based DNA methylation tests for the early the detection of cancer.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchSan Diego, United StatesHQ recorded Oct 11, 202651-20022 contacts →

Exact match

“PetDx – The Liquid Biopsy Company for Pets™ is a San Diego-based molecular diagnostics company dedicated to unleashing the power of genomics to improve pet health.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202651-20021 contacts →

Exact match

“Dr.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 20261-1020 contacts →

Exact match

“Trutino means ‘Balance’ in Latin, and this represents our strategy, namely an Rx/Dx approach for Precision Oncology Drug & Clinical Development.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202611-5014 contacts →

Exact match

“BioFluidica® is a biotechnology company dedicated to eliminating obstacles to the adoption of liquid biopsy as a tool for researchers and clinicians.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202611-509 contacts →

Exact match

“QBI engineers customized, multiplexed biosensors and immunoassays with applications in pharmaceutical process control, water quality monitoring, diagnostics, and industrial…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202611-509 contacts →

Exact match

“Prominex was founded by individuals passionate about transforming molecular testing in non-traditional testing settings.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202611-508 contacts →

Exact match

“Reveal Biosciences is a computational pathology company combining traditional histopathology with artificial intelligence to transform tissue biology into actionable data.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202611-507 contacts →

Exact match

“At Beacon Scientific we believe that data-driven decision making, coupled with collaboration and transparency, is essential for driving meaningful progress in medical research.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 20261-107 contacts →

Exact match

“At Healthbit, our mission is anchored in the unwavering commitment to democratizing molecular medicine and diagnostics.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202611-507 contacts →

Exact match

“Molecular Stethoscope is an early stage, molecular diagnostics company engaged in transcriptomic research and development in San Diego, California.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202611-506 contacts →

Exact match

“Formed in 1994 in San Diego, California, GenBio is an experienced, fully integrated medical diagnostic company focused on infectious disease and autoimmune disease diagnostics.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchSan Diego, CA, United StatesHQ recorded Oct 11, 202611-506 contacts →

Exact match

“Amydis is leading the way for early detection of diseases through the eye that is accessible, affordable and non-invasive.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 63 diagnostic biotech companies based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 5,253 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Diagnostic biotech companies based in San Diego, United States at a glance

As of Oct 11, 2026
41.7%Verified-email coverage
199.9Average contacts per company
11-50Median size (employees)
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
18
51-200
12
201-500
3
501-1,000
2
1,001-5,000
2
5,001-10,000
1

Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 63 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 San Diego, United States whose business descriptions match “diagnostic biotech 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 5,253 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 October 11, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Diagnostic biotech companies by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “diagnostic biotech companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many diagnostic biotech companies are there based in San Diego, United States?

RevenueBase identified 63 company matches for diagnostic biotech companies associated with San Diego, United States as of October 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?

Illumina tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most diagnostic biotech companies?

San Diego leads the United States with 63 company records, followed by Houston (29) and Irvine (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 5,253 professional contacts with verified work emails tracked across these 63 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 October 11, 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 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.