IIROC is the pan-Canadian self-regulatory organization that oversees all investment dealers and their trading activity in Canada's debt and equity markets. IIROC sets high quality regulatory and investment industry standards, protects investors and strengthens market integrity while supporting healthy Canadian capital markets. IIROC carries out its regulatory responsibilities through setting and enforcing rules regarding the proficiency, business and financial conduct of 174 Canadian investment dealer firms of varying sizes and business models, and their more than 31,000 registered employees. IIROC also sets and enforces market integrity rules regarding trading activity on Canadian debt and equity marketplaces.