| Office | Secretariat | Sales | Purchasing Department | Finance Department |
| 0553-6860076 | 0553-6860052 | 0553-6860048 | 0553-6867900 | 0553-6860010 |
| Ministry of Justice | QC | Technology Center | Bidding Office | Human Resources |
| 0553-6861929 | 0553-6867880 | 0553-6861622 | 0553-6866328 | 0553-6867896 |
