The company behind the T-65B X-Wing, Incom Corporation, did supply the Empire, as they did the Republic Navy before. By 0 BBY, Incom was nationalized by the Imp

The company behind the T-65B X-Wing, Incom Corporation, did supply the Empire, as they did the Republic Navy before. By 0 BBY, Incom was nationalized by the Imperials. The X-Wing became the mainstay Alliance fighter because the plans were stolen by some defecting Incom engineers.