Bombardier is a Canadian headquartered company operating in the fields of aerospace and railways.
Its military work is focused on C4ISR aircraft which has applications: “From aerial surveillance over land and sea to battlefield communications management, or command and control of friendly forces in theater”. (company website)
Bombardier used to have a greater military focus, but in 2003 it sold its Military Aviation Services unit to L3 Communications and in 2015 it sold its Military Aviation Training activities to CAE.