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บริษัท บุญถาวรดีเวลลอปเม้นท์ จำกัด
- Antreprenor construcție interioară
- Birou construcții și mentenanță
Khlong Sam
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บริษัท ทรัพย์พวงทอง เอ็นจิเนียริ่ง แอนด์เซอร์วิส จำกัด
- Companie construcții
- Birou construcții și mentenanță
Khu Khot
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Demco Public Company Limited (Thailand).
- Birou construcții și mentenanță
- Antreprenor energie solară
Suan Phrik Thai