Data Center | Existing Employers

Some of the world’s largest companies have been founded, developed, or expanded within Massachusetts. Learn more about Massachusetts’ top existing employers in each region and industry.

Fortune 500 Magazine Ranking of Massachusetts’ Largest Corporations based on annual revenues.

infoUSA ® List of Largest Massachusetts Employers by region based on number of employees.

Boston Globe’s Top Places to Work based on employee surveys.

infoUSA ® Existing Employer Search filtered by location and industry from the Massachusetts Executive Office of Labor and Workforce Development.