China-Places.com listou aprox 280 empresas dentro Qinghai. Alguns dos mais bem avaliados empresas dentro Qinghai estão- Qinghai Lake Dairy Industry Co. Ltd., Centro de Entrega Qinghai Huanhai Tea Salt Company, Qinghai Qunxing Industry Company, Tianjun Security Company, Tianjun Minbao Service Company, Instituto Industrial e Comercial do Lago Qinghai, Tianjun Ganlong Food Co. Ltd., Tongren Hailin Trading Co. Ltd. No.48 Chain Store, Tongren Hailin Trading Co. Ltd. No.45 Chain Store & Qinghai Xinhua Publishing (Group) Limited Company Ledu Branch.