Headquartered in Alexandria, VA, Systems Definition, Inc. (SDI) provides innovative, focused software development, system planning, technical documentation, and more to the First Responder community, as well as a variety of DoD and commercial clients. Our activities support initiatives for Defense, First Responder safety and accountability, aerospace, custom applications, and web technologies. We deliver a comprehensive suite of fireground accountability applications which are used daily by fire departments across the United States, including the New York City Fire Department. 

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Systems Definition Inc.

Frank Briese

Steven Sombat

Mary Hood

Joe McMullin

Ian McVicar

Cory Creason

Brendan de Wet

Diego Baeza

Katherine Remick

Will Pegram

Patrick Afram

John Prida

Cheryl McNutt

Erica Olmsted

Systems Definition Inc.

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