Defense Dept Of--defense Contract Audit Agency 101 Merrimac St Ste 820 Boston, MA 02114 Phone : (617) 450-0450 Business Category Government Offices-Federal Security Guard & Patrol Service Detective Guard & Armored Car Services National Security Government Offices & Public Schools United States Government--defense Dept, Defense Contract Audit Agency, Branch Offices, Boston 101 Merrimac St Boston, MA 02114 Phone : (617) 450-0450 Business Category Security Guard & Patrol Service Detective Guard & Armored Car Services