ISI Email Format

IT Services and IT ConsultingVirginia, United States201-500 Employees

ISI is an IT services and consulting firm that concentrates on helping defense contractors meet both regulatory compliance and security needs. It positions itself as a single partner for these challenges, serving more than 900 defense contractors. The firm offers services to establish and maintain compliance programs aligned with CMMC and NIST, provides facility security officer support, handles facility and personnel clearances, and delivers managed IT and cybersecurity.

Headquartered in Reston, Virginia, the firm operates as a mid-sized provider within the IT services and consulting space. Its clients are defense contractors seeking to meet security and regulatory obligations across their programs and operations. Positioned for defense-sector needs, the firm focuses on aligning IT services with compliance requirements to support ongoing security and regulatory programs.

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