Deloitte has announced the winners of its 2015 Technology Fast 50 program, which together achieved an average four-year growth rate of 1,293 percent. As in past editions of the Fast 50, a large share of the Canadian winners were venture-backed. They included the top company: Frank & Oak, a Montréal-based online menswear retailer, which raised a US$15 million Series B round in 2014. Frank & Oak showed a four-year revenue growth rate of 18,480 percent. Others in the top 10 included Budge Studios, iotum, Hootsuite, AcuityAds and Aeryon Labs. A full list of the 2015 Fast 50 can be obtained here.