This page lists suppliers who manufacture door systems or doors and hatches or components for these systems for the bus and coach sector. Bus doors can be sliding, inward-opening or outward-opening and come with other features such as retractable passenger steps for ease of access. But doors can also use a variety of power systems to operate, such as electric or pneumatic.
Likewise, luggage doors can be operated in different ways, such as manually or pneumatically.
Roof hatches can provide an emergency exit for passengers as well as additional ventilation when needed.