You can search for local businesses and services with Yahoo! by using the
localSearch() method. For full details, please see the Yahoo! Local
Search Documentation.
Example 912. Finding Local Businesses and Services with Yahoo!
<?php
$yahoo = new Zend_Service_Yahoo("YAHOO_APPLICATION_ID");
$results = $yahoo->localSearch('Apple Computers', array('zip' => '95014'));
foreach ($results as $result) {
echo $result->Title .'<br />';
}