Quest Diagnostics (NYSE: DGX) published its 2025 Corporate Responsibility Report on June 16, 2026, detailing the company's activities across healthcare access, employee engagement, governance, and environmental sustainability.

On healthcare access, the company provided over one million discounted or donated testing requisitions at a cost of more than $21 million. The Quest Diagnostics Foundation invested in nonprofits serving underserved populations in Baltimore, Paterson, New Jersey, and Chicago.

On workforce metrics, the company reported a 2.1 percentage point improvement in overall workforce retention compared to 2024 and an employee engagement score 3 points above a healthcare industry benchmark. Employee business network membership surpassed 11,000 across eleven networks.

On governance, Quest added a senior vice president and chief quality and regulatory affairs officer role and said it enhanced AI and cybersecurity governance policies.

On environmental sustainability, the company achieved ISO 14001:2015 certification for environmental management systems at laboratories in Lewisville, Texas, and Marlborough, Massachusetts, which it said completed a goal to certify five labs by the end of 2025. The company also provided testing access to firefighters affected by the 2025 Palisades fire in Los Angeles County and residents in a Texas-designated cancer cluster.

"Over the past year, we made our services accessible and affordable for more patients and consumers, invested in our people, and strengthened our policies and systems in areas, such as medical quality and AI, that reflect Quest's deep focus on responsible business practice," said Jim Davis, Chairman, CEO and President of Quest Diagnostics.

Quest Diagnostics employs nearly 57,000 people and states it serves half the physicians and hospitals in the United States.