Major Employers

To join the list of major employers with 250 employees or more, please contact us.

Company Industry Employees
Fort Detrick Campus Army, NCI and other tenants 9,100
Frederick County Board of Education Public Education 5,624
Frederick Memorial Healthcare System Comprehensive Health Care 2,379
Frederick County Government County Government 2,034
Leidos Biomedical Research Medical Research 2,050
Wells Fargo Home Mortgage Mortgage Loans and Service Center 1,708
Frederick Community College  Two-Year College 1,086
City of Frederick Government Muncipal Government 872
United Health Care Insurance 750
Walmart Consumer Goods 710
AstraZeneca/MedImmune BioTech Manufacturing 700
NVR Building Products Wood Building Products 620
National Emergency Training Center (US Fire Academy, FEMA and other tenants) Federal Government 577
Mount Saint Mary’s University Four-Year University 511
Lonza  Biological Products 464
Costco Wholesale Distribution Center, E-commerce Center and Retail Store 452
YMCA of Frederick County Recreation and Sports Center 431
ThermoFisher Scientific Life Sciences Research 400
Plamondon Companies Hospitality (Hotels, Restaurants and Restaurant Management) 400
Hood College Four-Year College 419
STULZ Air Technology Systems, Inc Manufacturer, Commercial Air Conditioners and Dehumidifiers 396
Wegmans Grocery Store 372
Legal & General America Life Insurance Headquarters 365
RR Donnelley Business Documents 359
Music & Arts Music Retailer and Headquarters 357
Home Depot Retail Stores 330
Aldi Distribution Center Distribution Center and Retail Store 325
Fountain Rock Management Corp Restaurant Management Services 325
Maryland School for the Deaf Educational Institution 322
Homewood Retirement Center Retirement Community 311
Builders FirstSource Lumber Supply 300
Canam Steel Corporation Steel Joists and Trusses 300
Experient Conference Services 270
Morgan Keller General Contractors 270
Toys ‘R’ Us Toy Distribution Warehouse and Retail 260
Carey International Transportation Call Center and Headquarters 250
Fannie Mae Home Loan Products- Data Center 250