list($records, $recordMetaData) = getRecords(array( 
 'tableName'   => 'products', 
  ... 
 'orderBy'     => 'sub_category, title', 
  ... 
 ));

<?php foreach ($productsRecords as $record): ?> 
 
<div class="prod_title"><?php echo $record['sub_category'] ?> <?php echo $record['category'] ?></div> 
 
<?php foreach ($record['product_image'] as $upload): ?> 
           <div class="prodlist"><a href="<?php echo $record['_link'] ?>&category=Sinks"><img src="<?php echo $upload['thumbUrlPath'] ?>" width="<?php echo $upload['thumbWidth'] ?>" height="<?php echo $upload['thumbHeight'] ?>" alt="<?php echo $record['productName'] ?>" border="0" /></a><br/> 
		<?php echo $record['model'] ?></div> 
<?php endforeach ?> 
 
<?php endforeach; ?>