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CSSI, LLC. has over 30 years of experience working in complex, dynamic, safety critical systems supporting both government and commercial clients to address their toughest challenges, with efficient and low-risk solutions. Our collaborative work has improved the safety of transportation related human and systems infrastructure, increased the efficiency of the National Airspace System (NAS), and facilitated the modernization of both NAS and DoD systems and capabilities. Founded in 1990 and headquartered in Washington, D.C., CSSI employs more than 175 employees throughout the country, helping customers across the United States and globally understand and implement the solutions to their biggest obstacles. For more information on CSSI, LLC., please visit www.cssiinc.com.

CSSI Inc Questions

The CSSI Inc annual revenue was $37 million in 2026.

Steve Hansen is the COO of CSSI Inc.

133 people are employed at CSSI Inc.

CSSI Inc is based in Washington, District of Columbia.

The NAICS codes for CSSI Inc are [92, 92612, 926, 926120, 9261].

The SIC codes for CSSI Inc are [737, 96, 73, 962].

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