Iframe

<iframe src="//contacts.pewag.com/?only=de&company=PWD&bold_company_names=true&category=Partner&column=1&lang=en_US&iframe=true" height="100" frameborder="0"></iframe>

JavaScript

<div id="test"></div>

<script>
    var mycallback = function (html) {
        document.getElementById('test').innerHTML = html;
    }
</script>
<script src="//contacts.pewag.com/jsonp.php?only=de&company=PWD&bold_company_names=true&category=Partner&column=1&lang=en_US&callback=mycallback"></script>

no translations found for en_US in attribute contacts_country