Quest Diagnostics is a leading provider of diagnostic testing services in the United States. They offer a wide range of tests, including blood tests, urine tests, and other laboratory services that help healthcare providers diagnose and monitor various medical conditions. With a network of laboratories and patient service centers, they aim to deliver accurate and timely results to patients and doctors. Founded in 1967, Quest Diagnostics has grown to become a trusted name in the healthcare industry. They focus on innovation and technology to improve testing processes and enhance patient care. Their services are essential for preventive health measures and managing chronic diseases.