Laboratory Corp

Laboratory Corp. of America is one of the nation's two largest independent clinical laboratories, with roughly 20% of the independent lab market. The company operates approximately 2,000 patient-service centers, offering a broad range of 5,000 clinical lab tests, ranging from routine blood and urine screens to complex oncology and genomic testing. With the addition of Covance, LabCorp also has a sizable footprint in the global contract research organization market.