MySQL AB (founded 1995, acquired by Sun Microsystems 2008) is a company that is the creator and owner of MySQL, a relational database management system, as well as related products such as MySQL Cluster. The company is dually headquartered in Uppsala, Sweden and Cupertino, California, USA with offices in other countries (Paris, France; Munich, Germany; Dublin, Ireland; Milan, Italy; and Tokyo, Japan). With around 400 employees in 25 countries, MySQL AB was one of the largest open source companies worldwide. Around 70% of the employees worked for MySQL from their home offices.