'product_manufacturer' => new Manufacturer((int)$this->product->id_manufacturer, $this->context->language->id),

'all_man_from_category' => Db::getInstance()->ExecuteS('SELECT `id_manufacturer`, `name` FROM  `'._DB_PREFIX_.'manufacturer` WHERE id_manufacturer IN (SELECT p.`id_manufacturer`
    FROM `'._DB_PREFIX_.'product` p
    '.Shop::addSqlAssociation('product', 'p').'
    LEFT JOIN `'._DB_PREFIX_.'category_product` cp ON p.`id_product` = cp.`id_product`
    WHERE cp.`id_category` = '.(int)$this->category->id.'
    AND product_shop.`active` = 1
    GROUP BY p.`id_manufacturer`)'),

{if isset($all_man_from_category) && $all_man_from_category}
{foreach from=$all_man_from_category item=manufacture}
    {$manufacture.id_manufacturer}
    {$manufacture.name}
{/foreach}
{/if}