asp.net c# website with login, search page that retrieves information from multiple external sites via XML

For a trucking company to search several carriers from a single search form. New site, preferably asp.net c# Login page prior to the search page Search page requires a starting (zipcode, city, state), destination (zipcode, city state), up to 6 (Class, Weight) groups, shipment date Each of the fields can be mapped to the different carriers required XML request. four carriers should be searched, XML retrieved and necessary information displayed on results page. each request/search should be stored for a historical lookup under the users login