SIS <SISB> COMPLETES WENDY'S <WEN> UNIT BUY SIS Corp said it has completed the acquisition of its franchisor Sisters International Inc from Wendy's International Inc for 14.5 mln dlrs in stock. It said the purchase includes 35 restaurants in Ohio operates by Sisters, giving SIS a total of 55 restaurants, and franchise relationships in six Midwestern and Southern states.