Attenex is headquartered in Seattle, Washington with regional offices in New York, Washington, D.C., San Francisco, Atlanta, Pittsburgh and Dallas. Attenex Corporation 925 Fourth Avenue, Suite 1700 Seattle, WA 98104-1125 Driving directions Main: 206.373.6500 Sales: 206.373.6565 (US & International) Fax: 206.386.5841   Email: info@attenex.com Jobs: jobs@attenex.com Email Our Office Locations New York Washington, D.C. San Francisco Atlanta Pittsburgh Dallas