Company snapshot
- Ticker
- DGX
- Exchange
- NYQ
- Sector
- Healthcare
- Industry
- Diagnostics & Research
- Market cap
- $26.12B
- Employees
- 46,000
- Currency
- USD
- Website
- https://www.questdiagnostics.com
Quest Diagnostics Incorporated provides diagnostic testing and services in the United States. The company develops and delivers diagnostic information services, such as routine, non-routine and advanced clinical testing, anatomic pathology testing, and other diagnostic information services. It also provides services under the Quest Diagnostics brand, as well as under the AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum brands to physicians, hospitals,…
Latest coverage
- Quest Diagnostics: 3 Key Takeaways for Long-Term Investors
October 22, 2026