All Employees: Professional and Business Services: Business Support Services in Oklahoma was 12.40840 Thous. of Persons in March of 2024, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Business Support Services in Oklahoma reached a record high of 20.81018 in August of 2000 and a record low of 3.59296 in February of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Business Support Services in Oklahoma - last updated from the United States Federal Reserve on April of 2024.