Cassidy Tire is an authorized Continental, General, Kumho and Toyo dealer offering tires for sedans, sports cars, trucks, vans, SUVs and everything in between. Since introducing TireTrader we have become Chicagoland’s largest wholesale tire dealer. Our Calumet City Location is just a short drive from Dolton and South Holland. We offer tire repair, free tire pressure checks, free alignment checks, oil changes, brake repair, alignments, battery replacement, transmission and coolant flushing, suspension repair, and many other mechanical repair services.