Products TSI is a distributor of new and reconditioned bar code, data collection and wireless products. We have the pieces you need to complete your system. From hardware to software to services and integration we put it all together into a total system designed for your business. As an authorized distributor and reseller, our certified technical staff provides assistance, training and support before and after the sale. TSI supports a wide range of products from bar code scanners, hand-helds portables, mobile computers, printers to Point of Sale (POS) devices, giving our customers a single source for equipment sales, service and support. And because our technicians are certified, you're assured of getting first-class business and technical solutions.