Kost Tire & Auto Service Kost Tire Commercial Service is an active carrier based out of Clarks Summit, Pennsylvania. Kost Tire & Auto Service Kost Tire Commercial Service operates under USDOT number 641910. Kost Tire & Auto Service Kost Tire Commercial Service has 11 tractors and employs 8 drivers. Kost Tire & Auto Service Kost Tire Commercial Service is authorized to operate Interstate cargo.