42 Association services, namely, promotion of the interests, general development, and improvement of the American petroleum and natural gas industry by promoting the development and dissemination of petroleum and natural gas technology, distributing of information regarding legislation and of information about and of interest to the petroleum and natural gas industry, appearing before private and governmental bodies, and promoting foreign and interstate trade in American petroleum and natural gas industry products; developing standards for the petroleum and natural gas industry; computer services, namely, providing on-line databases in the fields of the petroleum, petrochemical, and energy industries