Corporate Office

Addx Corporation

4900 Seminary Road, Suite 700
Alexandria, VA 22311
Phone: (703) 933-7637
Fax: (703) 933-7638


General Addx Inquiries
Addx Business Development
Addx Public Relations

Directions to Corporate Office:

From I-395 in the Washington, DC, metropolitan area, take Exit 4 onto Seminary Road and head West toward Bailey's Crossroads/Annandale. Make an immediate left at the first light onto Mark Center Drive. Our building, 4900 Seminary Road, is the first building on the left. Parking is available in the adjacent garage. Suite 700 is located on the fifth floor.

Chantilly, VA Office

14280 Park Meadow Drive, Suite 350
Chantilly, VA 20151
Phone: (703) 953-3546