MADISON, N.J., Oct. 3, 2013 /PRNewswire/ -- Quest Diagnostics (NYSE: DGX), the world's leading provider of diagnostic information services, has again been named to the Dow Jones Sustainability Indices (DJSI) for both World and North America. This marks Quest Diagnostics' tenth consecutive year on the World Index (since 2004) and its ninth consecutive year on the North America Index (since 2005).

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"Quest Diagnostics is committed to empowering better health with diagnostic insights and our continued inclusion on the Dow Jones Sustainability Indices demonstrates our enduring pledge to do so with respect and care for our colleagues, our customers, our communities and the environment," said Steve Rusckowski, president and chief executive officer of Quest Diagnostics.

Launched in 1999, the DJSI are the first global indices tracking the financial performance of the leading sustainability-driven companies worldwide. The DJSI enable investors to integrate sustainability considerations into their portfolios while providing an effective engagement platform for encouraging companies to adopt sustainable best practices. Companies are named to the DJSI based on the results of the Corporate Sustainability Assessment. This annual questionnaire provides an in-depth analysis of economic, environmental and social criteria, such as corporate governance, water-related risks and stakeholder relations, with a special focus on industry-specific risks and opportunities. More information on the DJSI is available at: www.sustainability-indexes.com.

About S&P Dow Jones Indices

S&P Dow Jones Indices LLC, a part of McGraw Hill Financial, is the world's largest, global resource for index-based concepts, data and research. Home to iconic financial market indicators, such as the S&P 500® and the Dow Jones Industrial Average™, S&P Dow Jones Indices LLC has over 115 years of experience constructing innovative and transparent solutions that fulfill the needs of investors. More assets are invested in products based upon our indices than any other provider in the world. With over 830,000 indices covering a wide range of asset classes across the globe, S&P Dow Jones Indices LLC defines the way investors measure and trade the markets. To learn more about our company, please visit www.spdji.com.  

About Quest Diagnostics
Quest Diagnostics is the world's leading provider of diagnostic information services that patients and doctors need to make better healthcare decisions. The company offers the broadest access to diagnostic testing services through its network of laboratories and patient service centers, and provides interpretive consultation through its extensive medical and scientific staff. Quest Diagnostics is a pioneer in developing innovative diagnostic tests and advanced healthcare information technology solutions that help improve patient care. Additional company information is available at QuestDiagnostics.com. To view the Quest Diagnostics Corporate Social Responsibility report visit www.questcares.com.   

Contacts:
Dan Haemmerle (Investors): 973-520-2900
Wendy Bost (Media): 973-520-2800

SOURCE Quest Diagnostics