PALO ALTO, Calif.--(BUSINESS WIRE)--Genencor was named one of America’s best places to work in 2011, the fifth time receiving the prestigious honor, Entrepreneur.com announced today. Genencor, one of the world’s leading industrial biotechnology companies, and now part of DuPont Industrial Sciences, ranked No. 11 in the 2011 annual survey of “50 Best Small and Medium Workplaces” presented by Great Place to Work®.