Bunger Steel is a quality, full-service manufacturer of all kinds of steel buildings including Commercial, Industrial, Reside ... ntial, Institutional, Agricultural, Airplane Hangars, Mini Storage, Churches, and more. Since its conception in 1974, Bunger Steel has been family-owned and operated. Today, we are Arizona’s largest steel building and components vendor, and have over 40,000 projects constructed in the Southwestern United States. read more