Signing on were Atlanta Tire Specialists of Covington, Ga.; Burt Brothers Tires of Bountiful, Utah; National Industrial Tire of Hawaii of Honolulu; Twin Tier Tire of Elmira, N.Y.; Mid-Atlantic Truck of Dunn, N.C.; Discount Diesel of Laredo, Texas; and Steel City Brazil 70 of Brazil, Ind. (Tire Review/Akron)