All Employees: Construction: Heavy and Civil Engineering Construction in Montana was 6.61878 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, All Employees: Construction: Heavy and Civil Engineering Construction in Montana reached a record high of 7.38171 in June of 2023 and a record low of 3.05568 in June of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Construction: Heavy and Civil Engineering Construction in Montana - last updated from the United States Federal Reserve on March of 2024.