- Polysource Ltd. Air & Gases Divisio
- Address:3/3 Tiwano
- HANNA instrument
- Address:584 Park East Drive Woonsocket, RI 02895
- pacinstruments
- Address:57 Soi Serithai 81 / 2, Serithai Rd. , Khannayao, Bangkok 10230 Thailand
- HANNA instruments
- Address:
- BETTERSYNDICATE CO.,LTD
- Address:111 / 12 Rama 2 Rd.
- Polysource Ltd. Air & Gases Division
- Address:3/3 Tiwanon
- LEGA Engineering Co., Ltd.
- Address:11 Sukhumvit 70 Road, Bangna
- etcthailand
- Address:Talingchan-supanbury
- Fresh Garden Hydroponics Center
- Address:57 Sukhumvit 38 Prakanong
- All About Instrument Co.,Ltd
- Address:
- Automore co.,ltd.
- Address:51 / 849 Moo 2 Soi Lamlukka13, Lamlukka Rd. , Kukot
- CHEMICAL HOUSE & LAB INSTRUMENT CO.,LTD
- Address:98 Soi Ramkhamhaeng 21(Navasri),Wangthonglang,Bangkok 10310 Thailand
- Worldwide Trade Thai Co.,Ltd.
- Address:30 / 10 Moo 19, Bangramard Rd, Salathammasop, Taweewattana
- Halim Teknik
- Address:Jl. Kebon Kelapa Blok B No. 6 RT. 05 / RW. 03
1