Psychemedics Corporation, founded in the United States, is a leading medical organization specializing in diagnostic testing for drug abuse. With corporate headquarters in Acton, Massachusetts, and laboratory operations in Culver City, California, the company offers FDA-cleared, CAP-certified clinical laboratory services. Psychemedics is renowned for pioneering the first commercially available hair drug testing analysis, leveraging the scientific principle that drugs ingested and metabolized are deposited and held in hair.

Notable figures affiliated with Psychemedics include its innovative scientists who developed the patented hair drug testing technology. The company has garnered significant investment and support from various stakeholders in the medical and corporate sectors. Key achievements include identifying more drug users for companies than any other hair testing firm globally, solidifying its reputation as a world leader in hair drug testing. Psychemedics' impact is profound, providing reliable and non-invasive drug testing solutions that enhance workplace safety and compliance.