EFECTIVITY Inc. is a Domestic Business Corporation registered in the state of DC. The business was filed on 05/26/1971 and is currently listed as Revoked. The official file number for this entity is 711192. The registered agent on file is Rudolph H. Yates, located at 1329 9TH ST., N.W., Washington, DC, 20001. The principal office address is located at 1329 9th Street NW, Washington, DC, 20001.