Originally founded by two brothers, Martin & George Nussbaum in 1926 as the Amarillo Bus Company. A to Z is still a family owned business, now in its 4th generation. A to Z Tire serves over 5,000 customers throughout AZ, CO, KS, LA, MT, ND, NM, OK, SD, TX, UT and WY by providing the right product at the right place, at the right time, and at the right price. We supply light truck, passenger,...