SCHAUMBURG, Ill. & MERRILLVILLE, Ind.–(BUSINESS WIRE)–S&S Truck Parts LLC (“S&S”) and Midwest Truck & Auto Parts Inc. (“Midwest”) announced today that they have completed a merger of the two companies, creating a powerful alliance between the two best-in-class independent Truck Parts Distributors. The combination nearly doubles their collective business and forms a more diversified and scaled platform in the truck aftermarket space with the ability to source and offer a wider sele