Truesdail Laboratories, Inc. Employee Directory
Public SafetyCalifornia, United States51-200 Employees
Truesdail Laboratories, Inc. is a mid-sized testing and analysis provider based in Irvine, California. Founded in 1931 in Los Angeles by Dr. Rodger Truesdail, the company operates in the public safety sector with capabilities in product testing and certification, environmental analysis, and veterinary testing. It serves clients that rely on validated data to support safety, regulatory compliance, and quality across these domains. In August 2018, ALS Limited acquired Truesdail Laboratories, expanding ALS’s USA Life Sciences capabilities to include pharmaceutical, nutraceutical, environmental, and food testing, and widening the company’s geographic reach in the United States. The acquisition represents a shift in ownership and situates Truesdail within a broader network of testing services.