ManTech
Catonsville, MD 21228
V Group
Baltimore, MD 21201
Medix
Rockville, MD 20852
Johns Hopkins Applied Physics Laboratory (APL)
Laurel, MD 20723
Aquent Talent
all cities, MD
Lockheed Martin
Severn, MD 21144
Wonder
New Midway, MD 21775
Zenith LifeScience
Gaithersburg, MD 20883
Frederick Ward Associates
Baltimore, MD 21201
HII
Fort Meade, MD 20755