The following subsidiaries have been established to provide our customers with the utmost specialized service:

B.K.K. Infrastructure Company Limited, a wholly owned subsidiary, was formed in 1986 with a start-up capital of 100 millions Baht. The company is specialized in construction projects in public utilities and infrastructure. The company is an approved government contractor for projects such as construction of road, highways, bridge, wastewater treatment system, irrigation system, civil work, etc.

Mechanical Engineering Works Company Limited, a wholly owned subsidiary, was formed in 1991 with a start-up capital of 60 millions Baht. The company is specialized in trading and leasing of construction equipments, such as Work Platform, Passenger/Material Hoist, Vibrating System, Saw Bench, Brick-Work Slotter, Striker Tube, Universal-Worm Pump, Screed/Sand Pump, Portable Machine Tools, Stop Waterleakage Interjection System, etc.