Employees: 1,800 Industry: Hospital Source: Baltimore County GovernmentEmployees: 1,913 Industry: Hospital Source: Baltimore County GovernmentEmployees: 2,200 Industry: Healthcare insurance provider Source: Baltimore County GovernmentEmployees: 2,250 Industry: Hospital Source: Baltimore County GovernmentEmployees: 2,292 Industry: Microbiology, medical and diagnostic equipment Source: Baltimore County GovernmentEmployees: 2,300 Industry: Manufacturing Source: Baltimore County GovernmentEmployees: 3,476 Industry: University Source: Baltimore County GovernmentEmployees: 3,612 Industry: University Source: Baltimore County GovernmentEmployees: 3,900 Industry: Hospital Source: Baltimore County GovernmentEmployees: 3,900 Industry: Hospital Source: Baltimore County GovernmentEmployees: 4,184 Industry: University Source: Baltimore County GovernmentEmployees: 4,200 Industry: Financial services Source: Baltimore County GovernmentEmployees: 15,345 Industry: Federal government Source: Baltimore County Government