Sigma-Aldrich is a global supplier of chemicals, laboratory equipment, and reagents used in scientific research and industrial applications. Founded in 1975, the company provides a wide range of products for various fields, including biotechnology, pharmaceuticals, and materials science. In 2015, Sigma-Aldrich was acquired by Merck Group, a leading science and technology company. This acquisition expanded Merck's portfolio and enhanced its capabilities in providing innovative solutions for researchers and manufacturers worldwide. The company is known for its commitment to quality and customer service in the scientific community.