Lourdes Weltzien

Meridian Bioscience, Inc. engages in the development, production, sale, and distribution of diagnostic products. Its platforms include molecular, immunoassay, urea breath, and blood chemistry. It operates through the Diagnostics and Life Science segments. The Diagnostics segment consists of manufacturing operations for infectious disease and blood chemistry products and the sale and distribution of diagnostics products domestically and abroad. The Life Science segment distributes bulk antigens, antibodies, polymerase chain reaction/ quantitative PCR reagents, nucleotides, competent cells, and bioresearch reagents used by researchers, agri-bio companies, and other diagnostic manufacturing companies. The company was founded by William J. Motto in 1976 and is headquartered in Cincinnati, OH.

Sigma-Aldrich Corp. operates as a life science and technology material company. It develops, manufactures, purchases and distributes a broad range of biochemical and organic chemicals. Its services include basic research, product and process development, manufacturing and production, regulatory compliance, and facility operations. was founded in May 1975 and is headquartered in St. Louis, MO.