| TANGA COMPANY LIMITED | Private company limited by shares | Dissolved |
| TANGA LIMITED | Private company limited by shares | Live |
| TANGA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TANGALLE LIMITED | Private company limited by shares | Dissolved |
| TANGANYIKA TRAIN LIMITED | Private company limited by shares | Live |
| TANGAR GROUP LIMITED | Private company limited by shares | Dissolved |
| TANGAR INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| TANGAR PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |