China-Places.com hat ca. aufgelistet 14 Unternehmen im Longkou. Einige der am besten Unternehmen im Longkou sind- Samsung Electronics Service Center, Dingyi Werbedesignabteilung, Longkou Fishery Supply and Marketing Company Yuxu Salesroom, Longkou Supply and Marketing Trade Center Limited Company, Longgang Polizeistation Cotton Mill Police Affairs Office, Longkou Lutouzhen Veteran Cadre Work Office, Yantai Zhengtai Refrigeration Equipment Limited Company, Longkou Tongda Industry General Company, Longkou Lutouzhen Veteran Cadre Work Office & Longkou Lutou Supply and Marketing Corporations Einkaufsstation.