| Graha Pena Batam 5th Floor Unit 6-9, | |
| Jl. Raya Batam Centre, Batam | |
| Kepulauan Riau 29461 – Indonesia | |
| Phone | : (+62778) 460 789 |
| Fax | : (+62778) 460 567 |
| Citra Tower, North Tower 11th Floor Unit D-E, | |
| Jl. Benyamin Suaeb Kav. A6, Kemayoran | |
| Jakarta Pusat 10630 – Indonesia | |
| Phone | : (+6221) 3970 3900 |
| Fax | : (+6221) 3970 3899 |