$em = $this->getEntityManager();
        $query = $em->createQuery("
            SELECT partial e.{lastName,companyName} FROM AutowimarCoreBundle:ExternalOrderindCompany e");
        try {
            return $query->getResult(\Doctrine\ORM\Query::HYDRATE_ARRAY);
        } catch (\Doctrine\ORM\NoResultException $e) {
            return null;
        }