What Do Audio Visual Companies Do?

http://www.avsmartz.com/av-tech-tools - What exactly do audio visual companies do? One of their main roles involves audio equipment rental. Audio visual rental means that any equipment (laptop, projector, camera, sound systems, smart boards and so on) is rented rather than purchased. Opting for audio visual solutions can save you a lot of money, because you won't have to invest in any equipment yourself.