China-Places.com a répertorié environ 71 entreprises dans District de Tianjia'an. Certains des mieux notés entreprises dans District de Tianjia'an sont- CPC Huainan Car Transport General Company No.3 Branch General Branch Committee Committee, Shanghai Zhengsheng Décoration Huainan Company, Société commerciale Cave Huawubu Département de gros, Huainan Highway Engineering Company No.1 Département d'ingénierie, Huainan Sanwei Traffic Consultation Limited Company, Anhui Yuncheng Land Registry Agency Limited Company, Shandong Huabo Pompes Industrie Huainan Vente Société, Huainan Fengye Immobilier Gujia Consultation Limited Company, Huainan Lide Machinery Huagongcheng Limited Company & Chaoyang Real Estate Agency Service Limited Company.