Quest Diagnostics
Quest Diagnostics is a Fortune 500 medical and diagnostic laboratory company (NYSE: DGX) headquartered in Secaucus, NJ. Founded in 1967, it operates in the U.S., Puerto Rico, Mexico, Brazil, and other global sites, offering diagnostic testing for cancer, cardiovascular and infectious diseases, neurological disorders, COVID-19, and employment/court-ordered drug testing. Key details: - Revenue: about $11.0B; Employees: ~14,319 (recentYoY growth) - Global reach: operates in 42 countries - Headquarters: 500 Plaza Drive, Secaucus, NJ - Services: comprehensive clinical laboratory testing and related diagnostic services - Contact: wellness@questdiagnostics.com; main phone: +1 866-697-8378 The company’s U.S. offices and labs are primarily in Secaucus, NJ, with broader U.S. coverage through networked facilities. For Monroe, you may need to use Quest Diagnostics’ general patient service centers or use their online locator to find the nearest Quest Diagnostics location in Louisiana or nearby states.



