Bridgestone/Firestone's TireStarz distribution group has more than 670 dealers, with close to 100 having joined the program since June, according to TireStarz officials.
TireStarz is the third largest tire distribution group in North America, according to Modern Tire Dealer research.
It distributes Bridgestone, Firestone, Dayton, Peerless, Road King, Seiberling and Gillette brand products.
