| Nama Service Center | : | PT. Graha Service Indonesia |
| Kota/Wilayah/Cabang | : | Semarang |
| Alamat | : | Plasa Simpang Lima, lt.2 No .12A-B |
| No. Telepon | : | 024-8457040 |
| Fax | : | 024-8457039 |
| Alamat 2 | : | Jl. Dr. Cipto No.111, Semarang 50124 |
| Telp | : | 024-3561111, 3564777 |
| Fax | : | 024-3565555 |
