An antimicrobial, push button switch assembly for use at a self-service, dispensing or charging station is provided. The assembly includes a housing and a selection button supported for bi-directional movement within an opening in the housing. The selection button includes a plastic substrate and a plastic film sheet bonded to the substrate in a molding process. The film sheet has an outer touch surface configured to be pressed by a customer to initiate a dispensing or charging transaction. The film sheet is configured to allow at least one of germicidal light and antimicrobial agents to travel therethrough to the outer touch surface to disinfect the outer touch surface of pathogenic microorganisms.