Sprint Cup Series: Matt Kenseth's primary sponsor in the Sprint Cup Series is DeWALT Power tools. He is ... sponsored by Carhartt, USG Sheetrock, R&L Carriers and Dish Network. Dish Network will be the primary sponsor at Bristol in March. USG usually sponsors between 4 to 6 races. Carhartt usually sponsors 3 to 4 races. R+L Carriers are usually on for 3 to 4 races as well.