Top 5 small, midsize, and large workplaces
No. 4: Google, Inc.
Based in: Mountain View, Calif.
Massachusetts employees: N/A (21,805 employees in US)
The technology giant's code of conduct starts with three simple words -- "Don't be evil." Google's conduct earned its Cambridge office, which works on improving search quality and developing Web and mobile applications, the No. 6 place for corporate ethics.
Stephen Vinter, site engineer director, at Google's Cambridge office.