Midwest Regional Bank Reviews by Location · Festus, MO(8) · St. Louis, MO(6) · Chesterfield, MO(3) · Clayton, MO(1) · Otterville, MO(1). PRNewswire/ -- Midwest Regional Bank held a Groundbreaking Ceremony yesterday to mark the start of their Clayton Banking Center. I n t e r i o r D e s i g n . S p a c e P l a n n i n g . Construction Documents. LINEA DESIGN, INC. Midwest Regional Bank. Clayton, Missouri.