PLC's are used in so many different applications for example, Warehouse Lighting control, Conveyor systems, Packaging equipment, any type of repeditive machinery.
We have installed PLC's, touch screens, DC servo drives on all types of equipment, Grinders, Presses, Coolant Recycling, Auto Door open/close on machinery, Safety control and the list goes on.
Check out our link to some of the equipment that we have integrated with PLC's.