Abstract: A method for purchasing goods and services in business-to-business transactions, the method includes the steps of providing a first database having attributes related to purchasable goods or services maintained and purchasable by a first party; and providing a second database having attributes related to at least a portion of the goods and services purchasable by the first party and primarily maintained by a second party and electrically connected to the first database; wherein changes implemented on either the first or second databases are synchronized to each other; generating a purchase order by the first party from the first material database based on the attributes in the first material database; and transmitting the purchase order to the second party.