Quest Diagnostics

Quest Diagnostics in Fortune Rankings

Quest Diagnostics is a major diagnostic testing company, offering lab and direct-to-consumer tests that touch one in three U.S. adults every year and half the nation’s hospitals and doctors. Since its 1967 founding, the company has grown to have a presence in 130 countries. It works with hospitals, doctors, patients, insurers, government agencies, employers, and pharmaceutical companies, with more than 2,250 locations in the U.S. Quest operates under the Quest Diagnostics brand, as well as under the AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum brands.

Michael Ciaglo—Bloomberg/Getty Images

Updated:6/3/26
Country/Territory:U.S.
Headquarters:Secaucus, N.J.
Industry:Health Care: Pharmacy and Other Services
CEO:James E. Davis
Website:https://ir.questdiagnostics.com/

Ticker:DGX
Company type:Public
Revenues ($M):$11,035
Profits ($M):$992
Market value ($M):$21,532
Number of employees:51,500

Market value as of March 31, 2026.

Sector:Contracted Services
Industry:Health Care: Pharmacy and Other Services
Current All-Star Rank:-
Previous All-Star Rank:-
Industry Rank:2
Previous Industry Rank:3
Overall Score:6.72
Innovation:4

People Management:4
Use of Corporate Assets:3
Social Responsibility:3
Quality of Management:1
Financial Soundness:2
Long-Term Investment Value:2
Quality of Products/Services:3
Global Competitiveness:4

Sector:Health Care
Strongest Dimension:Process innovation
Years on list:3
Previous rank:136
State:New Jersey

$ millions% change
Revenues ($M):$11,03511.8%
Profits ($M):$99213.9%
Assets ($M):$16,225-
Total Stockholder Equity ($M):$7,170-

Profit as % of Revenues:9%
Profits as % of Assets:6.1%
Profits as % of Stockholder Equity:13.8%

Earnings Per Share ($):8.80
EPS % Change (from prior fiscal year):13.8%
EPS % Change (5 year annual rate):-3.5%
EPS % Change (10 year annual rate):6%

Total Return to Investors (last year):17.2%
Total Return to Investors (5 year, annualized):9.9%
Total Return to Investors (10 year, annualized):11.5%