While some manufacturers make the sale and become scarce, Vac•Con is staying in touch. Vac•Con’s One Touch Customer Service allows instant access around the clock, by phone or internet, to a single point of contact – a real person focused on you.. Vac•Con is not just changing the industry standards when it comes to the most powerful trucks in the business, we’re changing they way customers have access to sales, service and parts, around the clock, whenever you need it.