Private company

WIL Research Laboratories

Contract research organization in Ohio, US

WIL Research Laboratories, LLC (acquired in 2016 and renamed Charles River Laboratories Ashland, LLC) was a contract research organization (CRO), privately held for 40 years, that provided product safety toxicological research, metabolism, bioanalytical, pharmacological, and formulation services to the pharmaceutical, biotechnology, chemical, agrochemical, and food products industries, as well as manufacturing support for clinical trials.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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WIL Research Laboratories, LLC (acquired in 2016 and renamed Charles River Laboratories Ashland, LLC) was a contract research organization (CRO), privately held for 40 years, that provided product safety toxicological research, metabolism, bioanalytical, pharmacological, and formulation services to the pharmaceutical, biotechnology, chemical, agrochemical, and food products industries, as well as manufacturing support for clinical trials. WIL Research was well-known internationally in many disciplines, and considered by many industry experts to be the premier laboratory in the world for develo2

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