Sigma-Aldrich® — United States

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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.

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Contact Information
For answers to general questions
about Sigma-Aldrich from the
Continental United States, call
1-800-521-8956
Sigma-Aldrich Corporate Offices
Sigma-Aldrich
3050 Spruce St.
St. Louis, MO 63103