Year Up United
Washington, DC 20022
Safe Haven Security
Oxon Hill, MD 20745
U.S. Navy
Washington, DC 20011
ManTech
Vienna, VA 22182
Private company
Arlington, VA 22201
Securitas
Alexandria, VA 22350
Allied Universal® Enhanced Protection Services
Bethesda, MD 20817
Enterprise Services Network
Laurel, MD 20708
KamisPro
Springfield, VA 22161
ANDY FRAIN SERVICES
Washington, DC 20214