Company lists · Data refreshed November 2026

Top 18 Bioavailability testing companies based in the United States

RevenueBase identified 32 company matches for bioavailability testing companies associated with the United States as of November 2026 and tracks 701 professional contacts across them, including 404 with verified work emails. Austin is the largest hub.

This list covers company matches for bioavailability testing companies 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 November 6, 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 Nov 6, 2026 How this list was built
32Companies
701Contacts tracked
404Verified emails
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The 18 largest bioavailability testing companies based in the United States

Ranked by team size
Top 18 of 32 company matches for bioavailability testing companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchOlathe, PA, United StatesHQ recorded Nov 6, 2026201-500374 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchTraverse City, MI, United StatesHQ recorded Nov 6, 202651-20069 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchGaithersburg, MD, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Smithers Pharmaceutical Development Services assists in the development of new medicines by providing bioanalytical services for all phases of drug development from discovery…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBurlington, NC, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“COVANCE CLINICAL AND PERIAPPROVAL SERVICES LIMITED is a company based out of 531 S Spring St, Burlington, NC, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPortage, MI, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“PharmOptima, a Genesis Drug Discovery and Development (GD3) Company, has been advancing drug discovery and development in various therapeutic areas and has filled a niche in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLenexa, KS, United StatesHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“BIOLOGICS DONE RIGHT - Sample Analysis at the RIGHT TIME & RIGHT PLACE to satisfy data delivery requirements Over 20 years of industry-leading global Scientific Expertise…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Harken Research is a full service ISO17025 accredited testing laboratory located in Los Angeles offering support to dietary supplement, cosmetic, and food/beverage manufacturers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchEast Brunswick, NJ, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“PLS Analytical provides end-to-end testing support for regulated product programs, with capabilities spanning nasal drug product testing, microbiological testing, analytical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 202651-20013 contacts →

Exact match

“AIT Bioscience is now a part of @Nexelis!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchFoster City, CA, United StatesHQ recorded Nov 6, 20261-108 contacts →

Exact match

“At Cellentia, we are dedicated to empowering our clients in the drug development process through our cutting-edge bioassay services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Ethos Analytics is a premier ISO/IEC 17025 accredited, DEA-licensed, and FDA-registered testing laboratory specializing in dietary supplements, nutraceuticals, food, OTC products…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchTempe, AZ, United StatesHQ recorded Nov 6, 20261-105 contacts →

Exact match

“AZ Laboratories is an independent third-party testing laboratory providing the highest-quality-focused analytical services to beverage, dietary supplements, food and cannabis…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPoteau, OK, United StatesHQ recorded Nov 6, 20261-105 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSkillman, NJ, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Healios Labs, LLC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLexington, KY, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“OP innovates is a formulations company dedicated to naturally improving bioavailability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchOcean, NJ, United StatesHQ recorded Nov 6, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWilmington, DE, United StatesHQ recorded Nov 6, 202611-501 contacts →

Exact match

“Triangle Laboratory Inc, a contract research organization (CRO), is the drug development company supporting comprehensive large molecule bioanalysis services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMontgomery, AL, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 18 of 32 bioavailability testing companies based in the United States

See the full list, filter by size, metro and specialty, and access 404 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Bioavailability testing companies based in the United States at a glance

As of Nov 6, 2026
57.6%Verified-email coverage
21.9Average contacts per company
11-50Median size (employees)
3.1%Largest-city concentration · Austin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
8
51-200
8
201-500
1
501-1,000
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 32 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 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 404 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 November 6, 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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 32 company matches for bioavailability testing companies associated with the United States as of November 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?

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

Which city has the most bioavailability testing companies?

Austin leads with 1 company records, followed by Burlington (1) and Chesterfield (1).

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 404 professional contacts with verified work emails tracked across these 32 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 November 6, 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.