This site went down yesterday... so I decided to make a copy.
ISIS hq Homepage
Integrated Systems Improvement Services, Inc.
Providing International Security and Intelligence Services
ISIS provides worldwide security, intelligence, technology and training to government and private enterprises. ISIS is strategically positioned across the globe, with a highly credentialed management team and personnel. We have a superlative track record for delivering exceptional service and support to the most demanding of clients in the most challenging of circumstances.
ISIS is located in Washington D.C., in he US capital within the Ronald Reagan Building on 1300 Pennsylvania Avenue.
Source and article