As of 2015, the ten largest employers in the city are:
Reference 1: # of employees.
Reference 2: Harvard University, Massachusetts Institute of Technology, City of Cambridge, Biogen Idec, Novartis Institutes for BioMedical Research, Mount Auburn Hospital, Cambridge Health Alliance, Cambridge Innovation Center, Genzyme and Akamai Technologies.
Source: http://en.wikipedia.org/wiki/Cambridge,_Massachusetts
Reference 2: Harvard University, Massachusetts Institute of Technology, City of Cambridge, Biogen Idec, Novartis Institutes for BioMedical Research, Mount Auburn Hospital, Cambridge Health Alliance, Cambridge Innovation Center, Genzyme and Akamai Technologies.
Source: http://en.wikipedia.org/wiki/Cambridge,_Massachusetts