The SDI suite of First Responder fireground accountability applications are derived from our efforts to develop high-value applications to meet Fire Department of New York City (FDNY) strategic objectives for firefighter accountability and safety.


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


About Systems Definition Inc.

SDI is a Northern Virginia-based, Maryland-incorporated
small business providing innovative software applications
for the First Responder community, as well as technical
services and software engineering 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 applications used daily by FDNY and other
U.S. fire departments.

SDI’s focus is always on meeting customer requirements to
ensure that their goals, deliverables, and deadlines are satisfied.