Company lists · Data refreshed September 2026

Top 25 Pharmaceutical research services based in San Diego, United States

Name: Pharmaceutical research services based in San Diego, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 66 companies tracked

RevenueBase identified 66 company matches for pharmaceutical research services associated with San Diego, United States as of September 2026 and tracks 1,349 professional contacts across them, including 614 with verified work emails. Across the United States, San Diego is the largest hub for this category.

This list covers company matches for pharmaceutical research services 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 September 17, 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 Sep 17, 2026 How this list was built

66Companies

1,349Contacts tracked

614Verified emails

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The 25 largest pharmaceutical research services based in San Diego, United States

Ranked by team size

Top 25 of 66 company matches for pharmaceutical research services based in San Diego, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Crown Bioscience	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	441 contacts →
	Exact match “Crown Bioscience, a JSR Life Sciences company, is a global contract research organization (CRO) providing discovery, preclinical, and translational platforms to advance oncology…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Prosciento, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	201-500	181 contacts →
	Exact match “ProSciento is the leading clinical research organization focused on the continuum of metabolic diseases.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	scientist.com	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	51-200	126 contacts →
	Exact match “Scientist.com is the world’s largest and first platform built for the intricacies of scientific outsourcing.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Therapeutics INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	51-200	79 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Chemdiv, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	501-1,000	57 contacts →
	Exact match “ChemDiv, a fully Integrated Target-to-Market Contract Research Organization (CRO) headquartered in San Diego, CA USA.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Vanguard Clinical, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	51-200	56 contacts →
	Exact match “Healthcare is about people.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Pharmatek	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	201-500	31 contacts →
	Exact match “Pharmatek Laboratories, Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Pharmapace, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	OEP Innovations INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	51-200	21 contacts →
	Exact match “Orient Pharma (OP), focusing on R&D and manufacturing and established on Feb 1, 2008, is the subsidiary of Orient Europharma(OEP).” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Phenovista Biosciences	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “Founded in 2014, PhenoVista is a San Diego-based CRO specializing in the development of cell-based, in vitro assays, with an emphasis on phenotypic screening and high-content…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Enqubio INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “EnquBio is a wholly owned and operated drug development CRO out of San Diego, CA.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Chembridge Corporation	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	51-200	20 contacts →
	Exact match “ChemBridge Corporation is a global provider of enabling chemistry products and contract research services for small molecule drug discovery and chemical biology research.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Acelabio	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “AcelaBio, wholly owned by The Alimentiv Health Trust, was incorporated in 2020 and aims to meet the growing clinical research demand for quality and efficiency in laboratory…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	EZ Labs	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “EZ Labs LLC is a privately owned cGMP compliant analytical laboratory in the heart of San Diego’s thriving biotech community.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Sherpa Clinical Packaging A PCI Pharma Services Company	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “Sherpa Clinical Packaging was founded in 2010 in the heart of the San Diego biotech community.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Aroga Biosciences	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “Aroga Biosciences is an award-winning CRO that provides highly experienced regulatory writing and submission services for biotech and pharmaceutical projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Somatek INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “At Somatek, we provide consulting for the development of manufacturing processes for next generation biopharmaceuticals.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Acculab Life Sciences	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Acculab is a rapidly growing, OLAW-assured, preclinical CRO in the San Diego area, designed to assist you with every step along the R&D in vivo journey.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	L3 Healthcare	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “L3 Healthcare is a full-service contract research organization (CRO) and healthcare consulting firm focused on in vitro diagnostics (IVD) and medical devices.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Conventus Biomedical Solutions, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Mabplex Usa, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “MABPLEX USA, INC offers our partners contract services from DNA to finished drug product.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Tioga Research	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “We help our clients advance their topical and transdermal drug programs all the way from product concept assessment through to first regulatory filing, or with one or more stages…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Acres Biosciences	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “Acres Biosciences is a leading contract research organization dedicated to advancing drug discovery through cell line engineering, assay development, and in vivo preclinical…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Writepharma	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “Welcome to WritePharma, where a team of expert pharmacists delivers unparalleled educational and promotional pharmaceutical writing and marketing services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Prescos LLC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “PRESCOS LLC, Preclinical Research and Scientific Consulting Services is a preclinical CRO that provides in vivo contract research services (disease models and PK studies), as…” Recorded in the RevenueBase company graph · Sep 17, 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 “pharmaceutical research services”. 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 66 pharmaceutical research services based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 614 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pharmaceutical research services based in San Diego, United States at a glance

As of Sep 17, 2026

45.5%Verified-email coverage

20.4Average contacts per company

1-10Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 66 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 “pharmaceutical research services” 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 614 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 17, 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.

Pharmaceutical research services 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 “pharmaceutical research services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pharmaceutical research services are there based in San Diego, United States?

RevenueBase identified 66 company matches for pharmaceutical research services associated with San Diego, 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?

Crown Bioscience 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 pharmaceutical research services?

San Diego leads the United States with 66 company records, followed by New York (55) and Miami (46).

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 614 professional contacts with verified work emails tracked across these 66 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 17, 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.