American Bio-Clinical Laboratories

Provider of board-certified pathologists, laboratory accreditation and proficiency testing programs based in Northfield, Illinois. The company serves patients, pathologists and the public by fostering and advocating excellence in the practice of pathology and laboratory medicine worldwide, thereby offering clinical pathology improvement programs, informatics courses, terminology solutions and certifications.

Neolab is a healthcare company providing orthodontic laboratory services.

Labcorp 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.