Pipeline

• GC Maintenance and Engineering Co., Ltd
• CTCI (Thailand) Co., LTD.
• Technip Engineering (Thailand) LTD.
• Thai Oil Public Co., Ltd
• Bangchak Corporation Public Co., Ltd
• PTT Public Co., Ltd
• PTT Global Chemical Public Co., Ltd
• Foster Wheeler (Thailand) Limited
• Worley (Thailand) Limited
• IRPC Public Co., Ltd

Power Plant

• Gulf Energy Development Public Company Limited
• Solarco Co., Ltd
• Solarta Co., Ltd
• Tpsc (Thailand) Co.,Ltd
• Thai Jurong Engineering Co., Ltd
• Blue Solar Farm 5 Co., Ltd
• B.Grimm Power Public Co., Ltd
• B.Grimm Yanhee Solar Power Co., Ltd
• Bio-Mass Power Co., Ltd
• Nava Nakorn Elecricity Generating Co., Ltd (NNEG)
• STP&I Public Co., Ltd
• Ratch Group Public Co., Ltd.

Religious Building & Tourism Planning

• Ministry of Culture
• Ministry of Natural Resources and Environment
• Ch.Sculpture Industry Co.,Ltd.
• YBAT Chalermprakiet Vipassana Meditation Center, Pathumthani
• YBAT Suanprapaitham, Chumporn
• YBAT Khemarangsi Center, Ayutthaya
• YBAT Vipassana Meditation Headquarter, in Bangkok, Phetchkasem
• Wat Khao Sukim, Chanthaburi
• Wat Bhaddanta Asabharam, Chonburi Province
• Yala Provincial Administration Organization

Public Civil Works and Urban City Planning

• Chachoengsao Municipality
• Nonthaburi Municipality / Uttaradit / Nakhon Pathom / Chiang Mai / Lop Buri / Water Development Consultants Group Co., Ltd.
• Yala City Municipality / Mahasarakham Municipality / Loei / Narathiwat / Nan / Khon Kaen / Golden Plan Co., Ltd.
• Ubon Ratchathani Municipality / Phrae / Sukhothai / Ratchaburi / Nakhon Si Thammarat / Golden Plan Co.,Ltd.
• Ayutthaya Municipality / Nakhon Sawan / Samut Songkhram Municipality / TEAM Consulting Engineering and Management Co., Ltd.
• Chonburi Municipality –Thai Consultants Engineering Co., Ltd.
• Nakhon Nayok Municipality –Consultants of Technology Co., Ltd. (COT)
• Phichit Municipality –Panya Consultants Co., Ltd.
• Phitsanulok / Ang Thong Municipality – Macro Consultants Co., Ltd.
• Samut Prakan Municipality / Ang Thong / Lampang / Tak – Water Development Consultants Group Co., Ltd.
• Suphanburi Municipality / Samut Sakhon / Chainat / Kamphaeng Phet – Water Development Consultants Group Co., Ltd.
• Pal Consultants Co., Ltd

Industries

• JSR BST Elastomer Co., Ltd.
• Department of Industrial Works
• Sports Authority of Thailand; SAT
• Charoen Pokphand Foods
• Nestle (Thai) Co., Ltd
• Boon Rawd Brewery Co., Ltd.
• Mermaid Maritime Public Co., Ltd
• Unicord Public Co., Ltd
• WHA Eastern Seaboard Industrial Estate 1
• Andaman Seafood Co., Ltd
• Advance Meal Fabrication Co., Ltd

Environmental

• Group 79 Co., Ltd.
• General Environmental Conservation Public Co., Ltd
• The Siam Cement (Kaeng Khoi) Co., Ltd
• The Siam Cement (Ta Luang) Co., Ltd
• The Concrete Products and Aggregate Co., Ltd.
• United Analyst and Engineering Consultant Co., Ltd. (UAE)
• Sci Eco Services Co., Ltd.
• ALS Laboratory Group (Thailand) Co., Ltd.

Transportation

• CMA CGM (THAILAND) LTD
• Hutchison Laemchabang Terminal Ltd.
• Suvarnabhumi Airport / Airports of Thailand Public Co., Ltd [AOT]
• State Railway of Thailand ; SRT
• Kamphaengphet Wiwat Construction Engineering Co., Ltd.
• Ch. Karnchang Public Co., Ltd
• Chiengmai Construction Co., Ltd.
• Team Consulting Engineering And Management Public Co., Ltd
• Planing & Research Consultant Co., Ltd.
• Geotechnical And Foundation Engineering Co., Ltd.
• Italthai Engineering Co., Ltd.

Real Estate Development

• Bank for Agriculture and Agricultural Cooperatives
• Coca Holding International Co., Ltd
• Cha-Um Development Corporation Co., Ltd
• Summit Windmill Golf Club Co., Ltd
• T. Choithram & Suns (Thailand) Co., Ltd
• M.K. Real Estate Development Public Co., Ltd
• Sinphatana Interplus Co., Ltd.
• AP (Thailand) Plc
• Silpakorn University

Irrigation, Reservoir, Drainage and Flood Protection

• GMT Corporation Co., Ltd
• Macro Consultants Co., Ltd.
• U.C.D. International Co., Ltd
• Water Development Consultants Group Co., Ltd
• Frontier Engineering Consultants Co., Ltd.

Tunnels

• Metropolitan Waterworks Authority
• Provincial Electricity Authority (PEA)
• Nawarat Patanakarn Public Co., Ltd
• Utility Design Consultants Co., Ltd.
• Leo Jovian Thai Engineering Co., Ltd.
• Udomsak Cheingmai Co., Ltd.

International Projects

• Bago Sports Gloves Co., Ltd.
• Boxpak (Myanmar) Co., Ltd.
• Shyang Peng Cheng Co., Ltd.
• Thong Thai Textile (Myanmar) Co., Ltd.

Mining

• Boonyavajara Mining Co., Ltd.