- Rungroj Grou
- Address:Buntadtong
- Dominance Silver & Body Jewelry
- Address:Tanao Rd. Taladyod Pranakorn
- Gentra International Co., Ltd.
- Address:410 / 65-66 Ratchadapisek Samsennok Huaykwang
- Rungrueng Instrument Co., Ltd.
- Address:26/326 Moo 10 T.Ladsawai A.Lamlukka Pathumthani 12150
- Kan Industrial Co Ltd
- Address:
- trongkamol Ltd.
- Address:9 Soi Lasalle 75, Sukumwit 105 Road. Bangna, Bangna, Bangkok 10260
- Nuvoris Thailand Co., Ltd.
- Address:Ramkhamhaeng
- Lip Chee Engineering (Thailand) Ltd
- Address:69 / 9 Soi Ladprao 117, Ladprao Rd. , Klongchan,
- Technical Precision Machining Co.,ltd
- Address:Ladpraw
- Sino Pacific Enterprise
- Address:South Sathorn
- metalworkalliance
- Address:372 / 26 Moo8 Acadia Village2, Surasak, Sriracha
- Thai Metrology System co.,ltd.
- Address:
- Khunsanchai
- Address:57 / 581 Moo 15 Sukhumvit rd. , Udomsuk 18
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