All Employees: Construction: Heavy and Civil Engineering Construction in Oklahoma was 17.60092 Thous. of Persons in March of 2024, according to the United States Federal Reserve. Historically, All Employees: Construction: Heavy and Civil Engineering Construction in Oklahoma reached a record high of 20.15419 in July of 2019 and a record low of 9.10530 in January of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Construction: Heavy and Civil Engineering Construction in Oklahoma - last updated from the United States Federal Reserve on April of 2024.