A method for providing multiple electronic fixed income securities inventory platforms on a single website for viewing by the public makes available to the public on single Internet site multiple unique electronic fixed income securities inventory platforms. On-line electronic fixed-income securities inventory platforms offering and selling fixed income securities are located and identifies. The fixed-income securities have characteristics. On-line locations of a subset of the located and identified electronic fixed-income securities inventory platforms are cataloged in a database. Inquiries from on-line customers regarding fixed-income securities including at least one customer-desired characteristic of the fixed-income securities are received. Summary information relating to the fixed-income securities dependent upon the at least one customer-desired characteristic is formed. The summary information is transmitted to the customer.