China-Places.com listou aprox 223 empresas dentro Mudanjiang. Alguns dos mais bem avaliados empresas dentro Mudanjiang estão- Dongning Huayu Automobile Repair Co. Ltd., Dongning Huayu Construction Installation Engineering Co. Ltd., Dongning Huacheng Jian'an General Company, Dongning Rainbow Radio & Television Engineering Co. Ltd., Empresa Limitada de Detecção de Qualidade de Engenharia de Construção Dongning Hengrui, Mudian Dongning Redian Limited Company, Heilongjiang River Zifeng Assets Assessment Company Limited Dongning Office, Liancheng Company, Dongning County Warwick Jian'an General Company & Dongning Xinya Gardens Virescence Co. Ltd..