ST. LOUIS, April 30, 2014 /PRNewswire/ -- Sigma-Aldrich Corporation (Nasdaq: SIAL) was recently named by Corporate Responsibility (CR) Magazine to its list of the 100 Best Corporate Citizens, which ranks public companies based on outstanding corporate responsibility performance in 2013.  Sigma-Aldrich ranked 28 on the list in its third appearance.

"Sustainability at Sigma-Aldrich directly supports our mission of enabling science to improve the quality of life," said Rakesh Sachdev, President and CEO.  "We recognize the impact that being a responsible corporate citizen can have on making the world a cleaner, healthier and safer place to live and we are honored to be recognized for our continuous efforts."

This is the 15^th year for the 100 Best List, which documents nearly 300 data points of disclosure and performance measures - harvested from publicly available information in seven categories: environment, climate change, employee relations, human rights, governance, finance, and philanthropy. The list ranks companies on the Russell 1000 Index and is governed by a Ratings and Rankings Committee of the Corporate Responsibility Officers Association (CROA).

"CR Magazine's100 Best Corporate Citizens List is the only ranking that doesn't rely on self-reporting," said Elliot Clark, CEO of CR Magazine. "Each year, we measure the most transparent companies who report on their responsible practices.  We congratulate those honored on this year's 100 Best Corporate Citizens List for their commitment to corporate responsibility."

The full list of companies is available at www.thecro.com.  At number 28, Sigma-Aldrich moved up more than 50 spots since its last appearance.

"At Sigma-Aldrich, we work not only to reduce our own carbon footprint and waste production, but that of our customers as well," said Jeffrey Whitford, Global Citizenship Manager.  "We continue finding new and innovative ways to lessen the environmental impact of the use and manufacture of our products.  By doing this, we're able to expand our product offering and to provide researchers with more options for greener alternative products."

About Sigma-Aldrich:  Sigma-Aldrich, a leading Life Science and High Technology company focused on enhancing human health and safety, manufactures and distributes more than 230,000 chemicals, biochemicals and other essential products to more than 1.4 million customers globally in research and applied labs as well as in industrial and commercial markets. With three distinct business units – Research, Applied and SAFC Commercial – Sigma-Aldrich is committed to enabling science to improve the quality of life. The Company operates in 37 countries, has more than 9,000 employees worldwide and had sales of $2.7 billion in 2013. For more information about Sigma-Aldrich, please visit its website at www.sigma-aldrich.com.

Sigma-Aldrich is a trademark of Sigma-Aldrich Co, LLC registered in the US and other countries.

SOURCE Sigma-Aldrich