Friday, July 26, 2019 Steve Peterson Sweeney Receives Mark of Excellence Award Sweeney Chevrolet and Sweeney GMC have been honored by General Motors with the 2018 Mark of Excellence award. Read this article NOW for Free... ...and get Full Access to all our articles each month. How? Simply sign up here (no credit card required) to get access now. Already registered for a FREE ONLINE account? Log In Copyright 2020 The Business Journal, Youngstown, Ohio.