 Not only do our buildings excel in functionality, they also boast visual appeal, offering a diverse array of color options and limited paint warranties that extend up to 30 years. Explore our extensive collection of steel buildings. Take the first step towards discovering the ideal solution for your needs by visiting us in person or going to MuellerInc.com for further information. Mueller Steel Buildings, where visions meet exceptional craftsmanship. 1260 KKSA San Angelo.