You can return to the first row in a recordset with:
<?php
mysql_data_seek($RS1,0);
$row_RS1 = mysql_fetch_assoc($RS1);
?>
The code I was referring to would look like:
<div id="results_wrapper">
<?php do { ?>
<div style="float:left; width:16%;">
<?php echo $row_RS1['serv'];?><br/>
<?php echo $row_RS1['serv1'];?><br/>
<?php echo $row_RS1['serv2'];?><br/>
<?php echo $row_RS1['serv3'];?><br/>
<?php echo $row_RS1['serv4'];?><br/>
<?php echo $row_RS1['serv5'];?><br/>
</div>
<?php } while ($row_RS1 = mysql_fetch_assoc($RS1)); ?>
</div>