Use an insert statement like the following;
if (isset($company) )
{
$sql = "insert into addresses (company,address,town,link)";
$sql .= "values ('$company','$address','$town','$fupload1')";
copy ( $fupload, "$file_dir/$fupload_name");
if(!mysql_query($sql,$link))
{$dberror=mysql_error();
print $dberror;
}
}
OBVIOUSLY tailor it to your DB first