Some of the country's most noteable architects helped create the Pettis County places including Rutan & Coolidge Shepley, Thomas W. Bast, Bradford C. Gilbert, Russel & Garden Maurus, Farm Security Administration, Resettlement Administration, Boller Bros., Dean & Hancock, F.E. Hoffman and Robert Barnhart. Prominent architectural styles found in Pettis Country are Art Deco, Classical Revival and Italianate.