MISCELLANEOUS BUSINESS CREDIT INSTITUTIONS (SIC 6159) Establishments primarily engaged in furnishing intermediate or long-term general and industrial credit, including the finance leasing of automobiles, trucks, and machinery and equipment. Included in this industry are private establishments primarily engaged in extending agricultural credit. Federal and federally- sponsored credit agencies primarily engaged in extending agricultural credit are classified in Industry 6111. Establishments primarily engaged in other types of leasing of passenger cars and trucks are classified in Industry Group 751.