STP BIOTECH atau lebih dikenal dengan nama RCO telah banyak digunakan pada gedung gedung di seluruh Indonesia
No Nama Project Septic Tank / STP Type Capacity
1 Sewage Treatment Plan , Sewage Treatment Plan 7 M3
Bima
2 STP Biotech , STP Biotech 7 M3
Jakarta
3 Sewage Treatment Plan Biotech , Sewage Treatment Plan Biotech 7 M3
Bogor
4 STP Fibreglass , STP Fibreglass 7 M3
Bandung
5 STP Pengolahan Air Limbah , STP Pengolahan Air Limbah 7 M3
Kalimantan Selatan
6 Sewage Treatment Plan , Sewage Treatment Plan 7 M3
Papua
7 STP Biotech , STP Biotech 7 M3
Samarinda
8 Sewage Treatment Plan Biotech , Sewage Treatment Plan Biotech 7 M3
Balikpapan
9 STP Fibreglass , STP Fibreglass 7 M3
Flores
10 STP Biotech , STP Biotech 7 M3
Tanjung Priok - Jakarta