For over a decade, DEI has been modernizing IT architectures at the enterprise-level for our clients through expert engineering, accurate cost analysis, reliable service-delivery and effective consultancy. We are headquartered in Manassas, VA, serving executive-level Federal Government organizations.

Quick Facts

  • Founded in June 2005
  • ISO/IEC 9001:2015 Certified (#93846290822392)
  • ISO/IEC 20000:2018 Certified (#31849188357298)
  • ISO/IEC 27001:2022 Certified (#53711247380286)
  • Participating member of the Defense Industrial Base (DIB)
  • Personnel Clearance: Over 95% of our employees hold TS or TS/SCI Clearance
  • Corporate Locations: Manassas, VA (HQ)
  • DCAA Approved Accounting System