China-Places.com listou aprox 12 empresas dentro Estrada Nacional 308. Alguns dos mais bem avaliados empresas dentro Estrada Nacional 308 estão- Qinghe Universal Yehua Limited Company, Zhongyi Longfangye, Quanlin Paper Industry Xiajin Limited Company Property Office, Shandong Yongle Food Limited Company, Shandong Xiajin Wanxiang Company, Jinan Chemical Industry Machinery Factory Geral, Qinghe Agriculture Hi-Tech Technology Demonstration Park, Parque Cultural Empresarial Jinglong, Gaotang Shixing Solar Co. Ltd. & Parque Cultural Empresarial Jinglong.