Top Balto. Co. employers

The top five employers in Baltimore County and the size of their workforces (numbers are rounded):

Social Security Administration: 10,000

University System of Maryland: 6,100

GBMC HealthCare: 3,820

Franklin Square Hospital Center: 3,500

Walmart/Sam's Club: 3,400

Source: Department of Business and Economic Development

Top regional employers

A look at the top 10 employers in Baltimore and its five surrounding counties (numbers are rounded):

Fort Meade: 44,540

Johns Hopkins University/Medical System: 43,250

University of Maryland/Medical System: 24,470

Aberdeen Proving Ground: 15,580

Social Security Administration: 10,000

Northrop Grumman: 8,400

Walmart/Sam's Club: 6,370

MedStar Health: 6,290

LifeBridge Health: 5,210

GBMC HealthCare: 3,820

Source: Sun analysis of Department of Business and Economic Development data