Stone Quarry is another main business unit of the Company. Upon establishment, to support its construction projects, the Company runs several stone quarries in Tateli – Minahasa, North Sulawesi. Aside from supplying to its own construction projects, the Company supplies grinded stone materials to other contractors and major road construction companies both government and privately owned corporations.

Today, the Company runs two land concessions for stone quarry granted by the Government for an area of over 55.000 square-meters within the region. Grinded stone products are tailored to the customer orders and specifications. However, the Company continually to produce the following grinded stone products on permanent basis:

• Grinded Stone: 5mm-8mm
• Grinded Stone: 10mm - 20mm
• Grinded Stone: 20mm – 30mm
• Aggregate Class A
• Aggregate Class B
• Rubble Mound
• Armor Stone / Boulder