GUELPH, ONTARIO--(Marketwired - Aug. 2, 2013) - Payroll Solutions International Inc. (PSII) is participating as a Vendor at the 2013 Independent Payroll Providers Association (IPPA) Annual Conference and Trade Show in Miami, FL next month. The event begins August 7, 2013 and will consist of a three-day meeting that features industry speakers, networking events and a vendor showcase.