China-Places.com listou aprox 71 empresas dentro Distrito de Tianjia'an. Alguns dos mais bem avaliados empresas dentro Distrito de Tianjia'an estão- CPC Huainan Car Transport General Company No.3 Branch General Branch Committee Comitê, Xangai Zhengsheng Decoração Huainan Company, Departamento de atacado da empresa comercial Cave Huawubu, Huainan Highway Engineering Company No.1 Departamento de Engenharia, Huainan Sanwei Traffic Consultation Limited Company, Anhui Yuncheng Land Registry Agency Limited Company, Shandong Huabo Bombas Indústria Huainan Venda Empresa, Huainan Fengye Real Estate Gujia Consultation Company Limited, Huainan Lide Machinery Huagongcheng Limited Company & Chaoyang Real Estate Agency Service Limited Company.