COMPUTER RENTAL AND LEASING (SIC 7377) Establishments primarily engaged in renting or leasing (except finance) computers and related data processing equipment on the customers' site, whether or not also providing maintenance or support services. Establishments primarily engaged in both manufacturing and leasing computers and related data processing equipment are classified in Division D, Manufacturing, and separate establishments owned by the manufacturer and primarily engaged in leasing are classified in Wholesale Trade. Establishments primarily engaged in finance leasing of computers and related data processing equipment are classified in Finance, Industry 6159, and those primarily engaged in leasing computer time are classified in Industry 7374.