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 | 10,200 |
| Frederick County Public Schools | Public Education | 6,585 |
| Frederick Health | Comprehensive Health Care | 3,275 |
| Frederick County Government | County Government | 2,396 |
| Leidos Biomed / Frederick National Lab | Medical Research | 2,341 |
| Frederick Community College | Two-Year College | 1,251 |
| Thermo Fisher Scientific | Life Sciences Research | 950 |
| City of Frederick Government | Municipal Government | 841 |
| AstraZeneca | BioTech Manufacturing | 750 |
| Costco Wholesale | Wholesale Distribution Center and E-commerce Center | 725 |
| Mount Saint Mary’s University | Four-Year University | 682 |
| Legal & General America | Life Insurance Headquarters | 638 |
| NVR, Inc. | Home Building and Mortgage Banking | 630 |
| Aldi Distribution Center and Retail | Retail Supermarket & Distribution | 475 |
| Lonza | Biological Products | 464 |
| YMCA of Frederick County | Recreation and Sports Center | 445 |
| STULZ Air Technology Systems, Inc. | Manufacturer, Commercial Air Conditioners and Dehumidifiers | 430 |
| Shepherd Pratt/Way Station | Outpatient Mental Health | 412 |
| National Emergency Training Center | US Fire Academy, FEMA, and other tenants | 400 |
| Plamondon Hospitality Companies | Hospitality (Hotels, Restaurants, and Restaurant Management) | 390 |
| Music & Arts | Music Retailer and Headquarters | 396 |
| Pleasants Construction, Inc. | Construction and Paving | 385 |
| Kite Pharma | Life Science | 350 |
| RR Donnelley | Business Documents | 350 |
| Maryland School for the Deaf | Educational Institution | 320 |
| Cian Diagnostics | Diagnostic Testing | 300 |
| Fitzgerald Auto Mall Frederick | Auto Dealership | 300 |
| R.W. Warner | Construction/Trade Contractor | 300 |
| Wright Manufacturing | Lawn Maintenance Technology | 283 |
| Morgan-Keller Construction | General Contractors | 281 |
| Homewood Retirement Centers | Retirement Community | 275 |
| Hood College | Four-Year College | 250 |
*Includes military personnel, contractors and offsite annex
Last updated 1/2023