At HSI Vending Services, our mission is to provide the best possible solution to our customers' air-vacuum needs by combining excellent customer service with modern technology. We are currently the ONLY service provider in the industry with 100% monitored equipment. We offer competitive commission plans, customer loyalty plans, a live service department, etc. In 2007 HSI Prepaid Solutions began marketing a line of Sweepstakes Phone Cards. A Sweepstakes Phone Card gives customers a double benefit. They get a functional phone card they can use to call anywhere in the U.S. & a peel-and-win or scratch-off sweepstakes with the chance to win cash & other prizes. With 24/7 retailer support, a 400% ROI & exciting grand prizes to generate & increase store traffic, it PAYS to PLAY with HSI!