Genzyme

Also known as Sanofi Genzyme

Genzyme (also known as Genzyme Transgenics Corp or GTC Biotherapeutics) was an American biotechnology company based in Cambridge, Massachusetts. From its acquisition in 2011 to 2022 Genzyme operated as a fully owned subsidiary of Sanofi. In 2010, Genzyme was the world's third-largest biotechnology company, employing more than 11,000 people around the world. As a subsidiary of Sanofi, Genzyme had a presence in approximately 65 countries, including 17 manufacturing facilities and 9 genetic-testing laboratories. Its products were also sold in 90 countries. In 2007, Genzyme generated $3.8 billion