McDowall CompanyThe McDowall family's legacy in construction has continued for five generatioMcDowall Company continued to grow under the leadership of George J. McDowall and his brothers Bob & Bill. The company spent time working on large scale energy projects in North Dakota and Iowa. Moving into the 1980’s John W. McDowall started to take on leadership roles within the company first in the roofing department and later company wide. ns, spanning a 110-year