SNC Commercials specialise in the sales of quality used Vacuum Excavation Systems. It is our aim to provide a service second to none throughout the world. Please browse through our online catalogue and feel free to contact us for further details on any of our products. SNC Commercials specialise in the sales of quality used Vacuum Excavation Systems. It is our aim to provide a service second to none throughout the world. Please browse through our online catalogue and feel free to contact us for further details on any of our products.