SDI.’s suite of fireground accountability and supporting applications derive from our efforts to develop high-value applications to meet FDNY strategic objectives for firefighter accountability and safety.

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SDI provides focused and efficient technical services and application software development to federal agencies, municipal First Responder organizations, government contractors, and commercial clients.

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About Systems Definition

SDI is a Northern Virginia-based, Maryland-incorporated
small business,
providing focused and efficient software application
development and technical service to federal agencies, DoD contractors,
Public Sector agencies, and commercial organizations.


Our activities support initiatives for Defense, First Responder
safety/accountability, aerospace, custom applications, and web technologies.
We have developed innovative software applications to support First Responder
safety and accountability activities, including developing applications
in daily use by the New York City Fire Department (FDNY).


SDI’s focus on meeting customer requirements ensures that
customer goals, deliverables, and deadlines are satisfied.