Providing on-line business information via electronic mail for obtaining and responding to customer inquiries concerning the purchase of motion and fluid control products, namely information concerning the status of orders placed by customers, responses to inquiries by customers, automatic price quotations, product availability information, product delivery commitments and purchase order tracking information, all within the field of motion and fluid controls; providing on-line computer database featuring motion and fluid control product information in the nature of computer assisted drawings and product information data sheets; providing on-line ordering service featuring motion and fluid control products; and providing an on-line computer database featuring customer service in the field of motion and fluid control products