Maryland State Government--military Department, Edgewood Armory, Aberdeen Proving Grounds, Recruiter Edgewood, MD 21040 Phone : (410) 679-3050 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools Office Of Human Resources--military Department, Edgewood Armory, Aberdeen Proving Grounds, Recruiter Edgewood Edgewood, MD 21040 Phone : (410) 679-3050 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools Maryland State Government Building E 4305 Gunpowder, MD 21010 Phone : (410) 679-3050 Business Category Government Offices-State Legislative Bodies National Security Recruiting Us Armed Forces