งานก่อสร้าง BANK OF AYUDHAYA BANGKOK CITY TOWER HOLIDAY INN BANGKOK LOXLEY TOWER INTERCONTINENTAL HOTEL FOUR SEASONS HOTEL THANSETTAKIJ BUILDING CHULALONGKORN UNIVERSITY NAI LERT PARK BANGKOK RAMA GARDENS HOTEL ROYAL ORCHID SHERATON SIRIRAJ HOSPITAL TAWANA RAMADA DTAC SRINAKARIN NONGNUT GARDENS SURTRONG GROUP SURTRONG GROUP