Company lists · Data refreshed September 2026

Top 25 Bioavailability testing services based in the United States

RevenueBase identified 237 company matches for bioavailability testing services associated with the United States as of September 2026 and tracks 48,038 professional contacts across them, including 18,820 with verified work emails. Irvine is the largest hub.

This list covers company matches for bioavailability testing services associated with the 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 19, 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 19, 2026 How this list was built
237Companies
48,038Contacts tracked
18,820Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest bioavailability testing services based in the United States

Ranked by team size
Top 25 of 237 company matches for bioavailability testing services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchBurlington, NC, United StatesHQ recorded Sep 19, 202610001+38,427 contacts →

Exact match

“Clear and confident health care decisions begin with questions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchLancaster, PA, United StatesHQ recorded Sep 19, 20261,001-5,0001,638 contacts →

Exact match

“Eurofins Lancaster Laboratories is one of the largest commercial contract laboratories in the world providing comprehensive laboratory services in the pharmaceutical…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchNashville, TN, United StatesHQ recorded Sep 19, 2026501-1,000690 contacts →

Exact match

“Founded in 1990, Aegis Sciences Corporation is a forensic toxicology and healthcare laboratory that provides science-driven drug testing and consulting services based in…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchDurham, NC, United StatesHQ recorded Sep 19, 2026501-1,000610 contacts →

Exact match

“LabConnect is a global central laboratory services and clinical trial sample solutions partner, integrating and optimizing sample-related activities across the study lifecycle…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchPittsburgh, PA, United StatesHQ recorded Sep 19, 2026501-1,000494 contacts →

Exact match

“Companies of all sizes partner with Microbac to test the quality, safety, and performance of their products and operations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchFt. Lauderdale, FL, United StatesHQ recorded Sep 19, 2026201-500416 contacts →

Exact match

“Life Extension® is the health solutions expert that is translating scientific research into everyday insights for people wanting to live their healthiest lives.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchOlathe, KS, United StatesHQ recorded Sep 19, 2026201-500347 contacts →

Exact match

“KCAS Bio is a top-tier contract research organization (CRO) that has 45 years of experience with both large pharma and biotech sponsors, providing comprehensive bioanalytical drug…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchMelville, NY, United StatesHQ recorded Sep 19, 20261,001-5,000287 contacts →

Exact match

“As part of Certified Group, Certified Laboratories partners with customers to deliver innovative scientific solutions and expertise – So The World Can Trust In What It Consumes™.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchSalem, NH, United StatesHQ recorded Sep 19, 2026201-500257 contacts →

Exact match

“Since its founding in 1987, BA Sciences has been a trusted provider of high-quality analytical testing services to life science companies worldwide.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchSan Diego, CA, United StatesHQ recorded Sep 19, 2026501-1,000235 contacts →

Exact match

“Precision Diagnostics is the only U.S.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchNew Brighton, MN, United StatesHQ recorded Sep 19, 2026501-1,000215 contacts →

Exact match

“MEDTOX Laboratories contains a full-service clinical laboratory as well as a SAMHSA-certified drug testing laboratory.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchCincinnati, OH, United StatesHQ recorded Sep 19, 202651-200162 contacts →

Exact match

“Q Laboratories is an FDA/MoCRA registered (#1527260), cGMP/GLP compliant, and ISO/IEC 17025 accredited contract laboratory supporting global brands in delivering safe…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Sep 19, 202651-200147 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchTampa, FL, United StatesHQ recorded Sep 19, 202651-200128 contacts →

Exact match

“Immunologix Laboratories is a unique scientific partner, offering GLP and GCP compliant laboratory capabilities focused on ligand binding-based bioanalysis coupled with expert…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchOverland Park, KS, United StatesHQ recorded Sep 19, 202651-200128 contacts →

Exact match

“Mosaic Diagnostics, a global pioneer in precision health testing, is on a mission to restore and sustain patient health by addressing the root cause of chronic disease.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchHercules, CA, United StatesHQ recorded Sep 19, 202651-200120 contacts →

Exact match

“Pacific BioLabs is the leading West Coast provider of GMP/GLP laboratory testing services supporting Medical Device, Pharmaceutical, and Biotechnology industries.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Sep 19, 202651-200112 contacts →

Exact match

“Eagle Analytical is an FDA- and DEA-registered, A2LA ISO 17025-accredited laboratory that provides analytical chemistry, microbiological testing, consulting, and technical…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchIrvine, CA, United StatesHQ recorded Sep 19, 202651-200100 contacts →

Exact match

“Nitto Avecia Pharma Services is your single source for analytical services for the pharma, biotech, and medical device industries.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchCarlsbad, CA, United StatesHQ recorded Sep 19, 202651-20098 contacts →

Exact match

“Navigate BioPharma is a specialty laboratory offering high quality, innovative and differentiated precision medicine solutions for drug development and diagnostic applications.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchLancaster, CO, United StatesHQ recorded Sep 19, 202651-20086 contacts →

Exact match

“Infinity Laboratories, now part of Eurofins network of laboratories, is a leading contract testing organization with a national network of state-of-the-art facilities, ensuring…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchWake Forest, NC, United StatesHQ recorded Sep 19, 202651-20081 contacts →

Exact match

“We bring radical ideas in analytical testing to the clinical laboratory.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchTraverse City, MI, United StatesHQ recorded Sep 19, 202651-20075 contacts →

Exact match

“Analytical testing & product development company specializing in natural products including natural foods, dietary supplements, botanical products, and natural pharmaceuticals.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchOrlando, FL, United StatesHQ recorded Sep 19, 202651-20071 contacts →

Exact match

“Genesis Reference Laboratories offers a comprehensive test catalog for a full range of detection capabilities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchMoscow, ID, United StatesHQ recorded Sep 19, 202651-20068 contacts →

Exact match

“At Alturas Analytics, we deliver results on time with the highest level of integrity.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchSt. Charles, IL, United StatesHQ recorded Sep 19, 202651-20067 contacts →

Exact match

“Doctor’s Data helps you assess and treat heavy metal burden, nutritional deficiencies, gastrointestinal function, cardiovascular risk, liver and metabolic abnormalities, hormone…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 237 bioavailability testing services based in the United States

See the full list, filter by size, metro and specialty, and access 18,820 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Bioavailability testing services based in the United States at a glance

As of Sep 19, 2026
39.2%Verified-email coverage
202.7Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · Irvine
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
69
11-50
86
51-200
60
201-500
6
501-1,000
8
1,001-5,000
6
5,001-10,000
1
10001+
1

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 237 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 the United States whose business descriptions match “bioavailability testing 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 18,820 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 19, 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.

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

How many bioavailability testing services are there based in the United States?

RevenueBase identified 237 company matches for bioavailability testing services associated with the 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?

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

Which city has the most bioavailability testing services?

Irvine leads with 6 company records, followed by Dallas (5) and San Diego (4).

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 18,820 professional contacts with verified work emails tracked across these 237 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 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 237 bioavailability testing services based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.