By: Edie Gross Copyright Times Publishing Co. Though often overshadowed by larger competitors, small companies fuel Pinellas’ economy. Bill Strachan is pushing the frozen custard soft serve and the Yummy, Yummy Sauce. The ice cream curlicues out of the spigot and into a shot-sized cup, followed by a dribble of homemade chocolate sauce. Strachan thrusts [...]