Company lists · Data refreshed October 2026

Top 12 Contract research organizations biotechnology companies based in St. Louis, United States

Name: Contract research organizations biotechnology companies based in St. Louis, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 10, 2026 29 companies tracked

RevenueBase identified 29 company matches for contract research organizations biotechnology companies associated with St. Louis, United States as of October 2026 and tracks 620 professional contacts across them, including 118 with verified work emails. Across the United States, San Diego is the largest hub for this category (175 companies); St. Louis has 29.

This list covers company matches for contract research organizations biotechnology companies associated with St. Louis, 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 10, 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 10, 2026 How this list was built

29Companies

620Contacts tracked

118Verified emails

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The 12 largest contract research organizations biotechnology companies based in St. Louis, United States

Ranked by team size

Top 12 of 29 company matches for contract research organizations biotechnology companies based in St. Louis, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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	G-Biosciences	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	11-50	43 contacts →
	Exact match “G-Biosciences is an ISO 9001:2015 and ISO 13485:2016 certified, cGMP, FDA.QSR (21 CFR 820) compliant life sciences laboratory and manufacturing facility with experience in…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2	Gallus Biopharmaceuticals	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	201-500	32 contacts →
	Exact match “September 30, 2014 - Gallus BioPharmaceuticals, LLC has been acquired by DPx Holdings B.V, privately owned by JLL Partners and Royal DSM and the parent company of Patheon.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3	Sundance Clinical Research	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	11-50	19 contacts →
	Exact match “Sundance conducts clinical trials for pharmaceutical companies and provide investigational treatments for specific medical conditions.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	Apertus Pharmaceuticals	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	11-50	10 contacts →
	Exact match “API MANUFACTURING: Apertus manufactures active pharmaceutical ingredients (APIs) for companies that make finished dosage products and/or develop novel dose delivery systems and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5	Gold Biotechnology, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	11-50	9 contacts →
	Exact match “Gold Biotechnology shares a vision with every researcher: Each facet of life science research will introduce us to a future of impactful discovery and learning, benefitting the…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6	Mayflower Bioscience	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	201-500	4 contacts →
	Exact match “Mayflower Bioscience is an experienced, specialist life science distributor in the USA.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	Clinical Research Professionals	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	11-50	2 contacts →
	Exact match “Clinical Research Professionals (CRP) is a privately owned dedicated research center that provides a network of physicians who work collaboratively in conducting clinical research…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	Prisme Forum	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	1-10	2 contacts →
	Exact match “The Pharmaceutical R&D Information Systems Management Executive (PRISME) Forum (prismeforum.org) is the de facto R&D IT leadership group of the global biopharmaceutical industry.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9	Biorankings	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	1-10	2 contacts →
	Exact match “Biostatistical consulting in preclinical, clinical, and multi-omics R&D.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	Immersion Health	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	51-200	1 contacts →
	Exact match “National organization dedicated to bringing therapeutic and clinical diagnostic solutions to the healthcare industry.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11	Cadre Bioscience	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12	Spiritt	Exact match	St. Louis, MO, United StatesHQ recorded Oct 10, 2026	1-10	1 contacts →
	Exact match “SPIRITT is a patient-centric evidence development and specialty clinical research organization.” Recorded in the RevenueBase company graph · Oct 10, 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 “contract research organizations biotechnology companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 12 of 29 contract research organizations biotechnology companies based in St. Louis, United States

See the full list, filter by size, metro and specialty, and access 118 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Contract research organizations biotechnology companies based in St. Louis, United States at a glance

As of Oct 10, 2026

19.0%Verified-email coverage

21.4Average contacts per company

11-50Median size (employees)

Oct 10, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for St. Louis, so it is reported there. Company counts and contact totals on this page are exact for St. Louis, over 29 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 St. Louis, United States whose business descriptions match “contract research organizations biotechnology 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 118 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 10, 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.

Contract research organizations biotechnology 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 “contract research organizations biotechnology companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many contract research organizations biotechnology companies are there based in St. Louis, United States?

RevenueBase identified 29 company matches for contract research organizations biotechnology companies associated with St. Louis, 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?

G-Biosciences 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 contract research organizations biotechnology companies?

San Diego leads the United States with 175 company records, followed by Boston (115) and New York (103). St. Louis has 29.

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 118 professional contacts with verified work emails tracked across these 29 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 10, 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.