
I3S is your trusted, experienced IT Solutions Partner for both Government and Private sector enterprises.
Defending our nation’s homeland has become more complex than ever before due to evolving threats like sophisticated cyberattacks, hybrid physical/digital attacks, domestic extremism and more. From protecting the physical security of our citizens, public spaces and critical infrastructure, to safeguarding technology and digital assets through prevention and counterterrorism strategies, we deploy preventative and protective strategies to protect our nation’s security against events and incidents that could undermine national defense, economic stability, and public safety.
I3S has expertise across a broad range of threat types and hybrid physical/cyber/IT environments.
DUNS: 826297975
CAGE Code: 53S18
NAICS: 541511, 541512,
541513, 541519, 541611, 541618, 541690, 541990, 611710, 928110
Copyright © 2026 All Rights Reserved.