- Siamhill Co. Ltd
- Address:145/361, Chonburi, Chonburi, Thailand
- Antique Candle
- Address:rangsit nakhorn nayok, thanyaburi, pathumthani, Thailand
- NK Factory Geo Service Ltd., Part.
- Address:52/6, Dusit, Bangkok, Thailand
- Progress Inter Rubber Co., Ltd.
- Address:Sethakij1, Sasmut-Sakorn, Thailand
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