Major Employers

Top 20 Frederick Employers - Updated April 2019

BusinessNumber of EmployeesIndustry Sector
Fort Detrick9,657Military, Bioscience, Communications
Frederick County Public Schools5,856Public Education
Frederick Memorial Healthcare2,618Comprehensive Health Care
Leidos Biomedical Research2,277Medical Research
Frederick County Government2,175County Government
Wells Fargo Home Mortgage1,400Mortgage Loans and Service Center
Frederick Community College1,115Two-year College
City of Frederick Government880Municipal Government
AstraZeneca700Biotech Manufacturing
United Health Care613Health Insurance
Stulz ATS440Manufacturer of precision air conditioner equipment
YMCA of Frederick County419Non-profit, full service fitness and health facility
State Farm405Insurance
Wegman's370Retail Supermarket
Aldi350Retail Supermarket/Distribution Center
Fountain Rock Management320Restaurant Management
Maryland School for the Deaf320Educational Institute for the Hearing Impaired
Homewood Retirement Community310Retirement Community
Morgan Keller270General Contractor
Hood College2604 year College

The Fort Detrick number includes Military, Civilian and National Cancer Institute

The Frederick County Public School Employees are Full-time Equivalent Positions that are in the City of Frederick as well as Frederick County

View a full listing of Frederick County Businesses. Email updates to the Department of Economic Development.

Fort Detrick

Fort Detrick is a major driver of the Frederick economy. Fort Detrick’s three primary missions include human and botanical research and development, global telecommunications, and medical logistics management. The new National Interagency Biodefense Campus (NIBC) located on post includes many on-site federal agencies and tenants with a focus on Homeland Security Defense. For more information, visit the following sites: