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Athipat Co., Ltd. Asia Water Engineering Co., Ltd.
Akzo Nobel Paints (Thailand) Limited Aurora Design Co., Ltd.
Ashimori (Thailand) Co., Ltd. AB Food & Beverages (Thailand) LTD.
Akara Mining Limited Aisin Thai Automotive Casting Co., Ltd.
ACETEC Technology Co., Ltd. Aker Cool Sorption Siam Co., Ltd.
Aawthai Warehouse Co., Ltd. Amara Development 2018 Co., Ltd.
Amazon Papyrus Chemicals Co., Ltd. Axalta Coating Systems (Thailand) Co., Ltd.
Bangkok Mass Transit System Public Company Limited Best Trip Service Co., Ltd.
Bridgestone Sales (Thailand) Co., Ltd. Bangkok Nettoye (Thailand) Co., Ltd.
Biz Resource Co., Ltd. Burreau Veritas (Thailand) Ltd.
Brenntag Ingredients (Thailand) Public Company Limited Brambles (Thailand) Co.,Ltd
Bangkok Telecom Engineering Co., Ltd. Bangchank Pretoleum Co., Ltd.
Betagro Public Company Limited BSV Car Service Co., Ltd.
Chuewhuad Co., Ltd. CUEL Limited.
Cargill Thailand Co., Ltd. Colgate-Palmolive (Thailand) Limited.
Carrier Linde Refrigeration (Thailand) Limited. Central Marketing Group
C.S.K. Engineering Limited Partnership Carrier (Thailand) Limited
Chevrolet Sales (Thailand) Limited. Clariant Masterbatches (Thailand) Ltd.
Combined Heat and Power Producing Co., Ltd. Chawalnuch Transport Co., Ltd.
Canadian Solar Manufacturing (Thailand) Co., Ltd. Chathanakun Co., Ltd.
Daicel Safety SystemSystems (Thailand) Co., Ltd. Daisin Co., Ltd.
Driver Haken Service (Thailand) Co., Ltd. DHL Express Internaional (Thailand) Ltd.
Dowa Metaltech Co., Ltd. Diversey Hygiene (Thailand) Co., Ltd.
DTS Draexlmaier Automotive Systems (Thailand) Co., Ltd. Daikin Industry (Thailand) Co., Ltd.
Eastern Sea Laem Chabang Terminal Co., Ltd. ECO Lab Thailand Co., Ltd.
Ex-Chai Distribution Co., Ltd. (LOTUS)
FMC Chemical (Thailand) Ltd. Festo Co., Ltd.
Fisher & Paykel Appliances (Thailand) Co.,Ltd. FLS Transport Co., Ltd.
Freight Mark Logistics Co., Ltd.
Gunkul Engineering Public Company Limited Government Housing Bank
Global Utilities Service Co., Ltd. Golden Mind Service Co., Ltd.
G4S Security Services (Thailand) Limited. GE Medical System (Thailand) Co., Ltd.
Hino Motors Manufacturing (Thailand) Ltd. Hi-Tech Nittsu (Thailand) Co., Ltd.
Hithachi Transport System Vantec (Thailand) Ltd. HMC Polymers Co., Ltd.
ISS Support Services Co., Ltd. IS Industrie (Thailand) Ltd.
I-Serv Co., Ltd.
Johnson Controls International (Thailand) Co., Ltd. Jardine Schindler (Thai) Ltd.
Jebsen & Jebsen Business Service Co., Ltd.
Kawasaki Motors Enterprise (Thailand) Co., Ltd. Kris Energy (Gulf of Thailand) Limited
K.K.B. Technology Supply Co., Ltd. Keihin Auto Parts (Thailand) Co., Ltd.
Kern-Liebers (Thailand) Co., Ltd. King City Co.,Ltd.
K Line (Thailand) Ltd. KB&J Transport Co., Ltd.
Kluber Lubrication Co., Ltd. K.Keattichai Patthana Co., Ltd.
KTB General Services Co., Ltd. Kewpie (Thailand) Co., Ltd.
Mitsubishi Heavy Industries-Mahajak Air Conditioners Co., Ltd. Mitsui O.S.K. Lines (Thailand) Co., Ltd.
Meyer Aluminium (Thailand) Co., Ltd. McConnell Dowell Constructors Thai Ltd.
Microchip Technology (Thailand) Co.,Ltd. Montri Transport PCL.
MCT Co., Ltd. McCain International Co., Ltd.
Master Builders Solution Co., Ltd. MMSV Group Co., Ltd.
Mitsubishi Electric Kang Yong Wattana Co., Ltd. Moresco (Thailand) Co., Ltd.
Mass Transit System Public Company Limited
Newly Weds Food (Thailand) Limited. Novartis (Thailand) Limited
Nikon (Thailand) Co., Ltd. Nantawan Management Co., Ltd.
New Athiput Co., Ltd. NH Foods Thai Nippon Vegetable Co., Ltd.
Nutrachem Co., Ltd. Nissan Trading (Thailand) Co., Ltd.
OPS Oilfield Service (Thailand) Limited OCS Express Co., Ltd.
OPS OILFIELD SERVICES (THAILAND) LIMITED Owen Oil Tools Co., Ltd.
Pilatus Transport Co., Ltd. Primus Company Limited
Pa Daeng Industry Public Company Limited. Premier Inter Leasing Co., Ltd.
Power Line Engineering Co., Ltd. Pungporn Chatchawan Co., Ltd.
Productivity Plus Co., Ltd. Pepsi-Cola (Thai) Trading Co. Ltd.
Panasonic (Thailand) Co., Ltd. Philip Morris Trading (Tailand) Co., Ltd.
Productivity Plus Co., Ltd.
Royal Crowd Director Recall Enterprises (Thailand) Ltd.
Richo Thailand Co., Ltd. Ruamthavon Transport Co., Ltd.
Rexxam (Thailand) Co., Ltd.
Siam Chemical Logistics Co., Ltd. S.C. Johnson & Son Ltd.
Sahaikaset Agrochemicals Co., Ltd. Siam City Bank
Surin Omya Chemical (Thailand) Co., Ltd. Siam Regent Carrent Co., Ltd.
Sumitomo Electric Wiring System (Thailand) Limited Saint-Gobain Weber Co., Ltd.
SCG Landscape Co., Ltd. Siam Rajathanee Company Limited.
SCG Paper Pcl. Siamcraft Industry Co., Ltd.
Solvay (Thailand) Co., Ltd. Syner Mac Co., Ltd.
Sensint Technoligies (Thailand) Co., Ltd. Siam NSK Sterring System Co., Ltd.
Sunshine Engineering Co., Ltd. Siam Gypsum Industry Co.,Ld.
Siam Aisin Co.,Ltd. Sawafuji Electric (Thailand) Co., Ltd.
Sankin (Thailand) Co., Ltd. Subb Steel Co., Ltd.
Suntory Pepsico Beverage (Thailand) Co., Ltd. Siam Kubota Corporation Co., Ltd.
Sandee Rice Co., Ltd. Seino Saha Logistics Co., Ltd.
Singha Beverage Co., Ltd.
Thai Tohken Thermo Co., Ltd. Thai Food Group Co., Ltd.
Tokyo Seimitsu (Thailand) Co., Ltd. Toyoda Gosei (Asia) Co., Ltd.
Thainamthip Co., Ltd. Thai Yanyon Co., Ltd.
Tri Petch Isuzu Leasing Co., Ltd. T.J.C. Chemical Co., Ltd.
The Siam Commercial Bank Public Company Limited Thai Union Paper PLC
Tatsuno Engineering & Service Co., Ltd. Thai Gligo Co., Ltd.
Toyota Motor Asia Engineering & Manufacturing Co.,Ltd. The Siam Gypsum Industry Co., Ltd.
TNT Express Worldwide (Thaiand) Co.,Ltd. Toyota Tsusho (Thailand) Co., Ltd.
Thai Furukawa Unicomm Engineering Co., Ltd. Thai ORIX Leasing Co., Ltd.
Tupkwang Electrical Co., Ltd. Thai Pakerize Co., Ltd.
Thai Turbo-Generator Co., Ltd. Thitaram Group Co., Ltd.
Total Oil (Thailand) Co., Ltd. Thai Asia Pacific Brewery Co., Ltd.
Thai Japan Gas Co., Ltd. TS Tech (Thailand) Co., Ltd.
The Siam NSK Streering System Co., Ltd. Thai British Security Printing PLC.
Thai Asia Pacific Brewery Co., Ltd. Transpeed Co., Ltd.
TDK (Thailand) Co., Ltd. Trancom Transport (Thailand) Co., Ltd.
Unison Co., Ltd. United Standard Terminal PCL.
Urban Mobility Tech Co., Ltd. ULVAC (Thailand) Co., Ltd.
Vet. Recommended Co., Ltd. Vavoline (Thailand) Ltd.
Vinythai Public Company Limited. V.T.R. Engineering Partnership
VS Chem (1970) Limited VGI Public Company Limited
Waste Management Siam Co., Ltd. Wire & Wireless Co., Ltd.
Weatherford KSP Co., Ltd. Wacker Chemicals (South Asia) Pte. Ltd
WICE Logistics PCL.
Yokogawa (Thailand) Ltd. Yanmar Co., Ltd.
8889 Co., Ltd.
Etc.