ICS Codes Security Clearance Level NTT DATA Federal Services, Inc. Demetria Wilson Senior Contracts Analyst 13880 Dulles Corner Lane, Suite 200, Hemdon. VA 20171 Phone: 703.485.8711 Email: [email protected] Large Business 06-678-1865 86358 52-0886546 518210,541199,541330,541511, 54