Corporate Office

Addx Corporation
4900 Seminary Road, Suite 570 
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 Baileys 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 570 is located on the fifth floor.