Shionogi & Company, Limited is a Japanese pharmaceutical company best known for developing Crestor. Medical supply and brand name also uses Shionogi. Shionogi has business roots that date back to 1878, and was incorporated in 1919.

Shionogi & Co., Ltd. engages in the research, development, supply, manufacture, and sale of pharmaceutical products. Its products include prescription drugs, over-the-counter drugs, and diagnostics. The company was founded by Gisaburo Shiono Sr. on March 17, 1878 and is headquartered in Osaka, Japan.