Laboratory Corp. of America Holdings operates as a clinical laboratory company, which engages in the provision of clinical laboratory and end-to-end drug development services. It operates through the LabCorp Diagnostics and Covance Drug Development segments. The LabCorp Diagnostics segment includes core testing as well as genomic and esoteric testing. The Covance Drug Development segment involves in providing drug development solutions, to companies in the pharmaceutical and biotechnology industries. The company was founded in 1971 and is headquartered in Burlington, NC.