| 大唐移动通信公司 | da4 tang2 yi2 dong4 tong1 xin4 gong1 si1 | Datang Mobile Communications Company |
| 大庆联谊 | da4 qing4 lian2 yi4 | Daqing Lianyi Petrochemical Co Ltd |
| 大批群众 | da4 pi1 qun2 zhong4 | many people |
| 天原电化厂 | tian1 yuan2 dian4 hua4 chang3 | Tianyuan Electro Chemical Works |
| 天坛生物 | tian1 tan2 sheng1 wu4 | Beijing Tiantan Biological Products Company |
| 天宸股份 | tian1 chen2 gu3 fen1 | Shanghai Tianchen Company |
| 天津海运 | tian1 jin1 hai3 yun4 | Tientsin Marine Shipping Company |
| 天津磁卡 | tian1 jin1 ci2 ka3 | Tianjin Global Magnetic Card Company |
| 天目药业 | tian1 mu4 yao4 ye4 | Hangzhou Tian-Mu-Shan Pharmaceutical Company |
| 天鹅股份 | tian1 e2 gu3 fen1 | Harbin Swan Industry Company |
| 天龙饲料公司 | tian1 long2 si4 liao4 gong1 si1 | Tianlong Feed Company |
| 太空探险公司 | tai4 kong1 tan4 xian3 gong1 si1 | space exploration company |
| 奥美公关公司 | ao4 mei3 gong1 guan1 gong1 si1 | Olgivy Public Relations Company |