| Authority | |||
|---|---|---|---|
| 18 December 2017 | Belanja Jasa Kebersihan Gedung | Kota Bontang | Rp 7,159,972,000 |
| 17 December 2019 | Belanja Jasa Kebersihan Gedung | Kota Bontang | Rp 7,004,744,000 |
| 10 January 2019 | Belanja Jasa Kebersihan Gedung | Pemerintah Daerah Kota Bontang | Rp 6,969,110,000 |
| 31 May 2016 | Belanja Jasa Kebersihan Gedung (Lelang Ulang) | Kota Bontang | Rp 6,548,280,000 |
| 15 March 2017 | Belanja Jasa Kebersihan Gedung | Pemerintah Daerah Kota Bontang | Rp 5,101,190,000 |
| 27 January 2021 | Belanja Jasa Kebersihan ( Cleaning Services ) | Kota Bontang | Rp 4,426,162,334 |