| | 1 | JGC Corporation | Singapore Hydro Desulfurisation | Jurong Island, Singapore | Refinery |
| | 1 | Sino-Thai Engineering & Construction Public Co., Ltd. | Nong Saeng Power Plant Project | Nongsaeng , Saraburi | Power Plant |
| | 2 | Siemens Limited | Biological Oxidation System Project (SBOU) | Sriracha, Chonburi, Thailand | Refinery |
| | 3 | Foster Wheeler International Corporation | Sriracha Clean Fuels Project Pre-Turnaround | Sriracha, Chonburi, Thailand | Refinery |
| | 4 | Sino-Thai Engineering & Construction Public Co., Ltd. | Sriracha Clean Fuels Project-Pre-assembly | Sriracha, Chonburi, Thailand | Refinery |
| | 5 | CBI (Thailand) Limited | SPRC Jet Merox Project | Map Ta Phut, Rayong Thailand | Refinery |
| | 6 | CTCI (Thailand) Co., Ltd. | PTT CUP 3 | EIE Map Ta Phut Industrial Estate, Rayong, Thailand | Refinery |
| | 7 | Audex Fujairah LL FZE | Fujairah Refinery Terminal Expansion Project | UAE | Refinery |
| | 2 | Sino-Thai Engineering & Construction Public Co., Ltd. | GNK2 110MW Gas Fired CCP Project (CHP) | Nongkhae IE , Saraburi | Power Plant |
| | 3 | Sino-Thai Engineering & Construction Public Co., Ltd. | GPK2 110MW Gas Fired CCP Project (ICC) | Nongkhae IE , Saraburi | Power Plant |
| | 4 | Toyo-Thai Corporation PLC | NNE CCGT SPP Project | Pathumthani | Power Plant |
| | 5 | Sino-Thai Engineering & Construction Public Co., Ltd. | GPK1 110MW Gas Fired CCP Project (SBC) | Nongkhae IE , Saraburi | Power Plant |
| | 1 | STP&I Public Co., Ltd. | Ichthys Onshore LNG Facilities Project | Laem Chabang Seaport Sriracha, Chonburi, Thailand | Oil & Gas Module |
| | 2 | Aibel (Thailand) Ltd. | EBR/P74 Project | AIBEL's Yard Laem Chabang Seaport Sriracha, Chonburi, Thailand | Oil & Gas Module |
| | 3 | Sino-Thai Engineering & Constructions Public Co., Ltd. | Ichthys Onshore LNG Facilities Project | Laem Chabang Seaport Sriracha, Chonburi, Thailand | Oil & Gas Module |
| | 4 | Sino-Thai Engineering & Constructions Public Co., Ltd. | Pluto LNG Project Primary Module Fabrication | Laem Chabang Seaport Sriracha, Chonburi, Thailand | Oil & Gas Module |
| | 5 | STP&I Public Co., Ltd. | Pluto LNG Project Secondary Module Fabrication | Laem Chabang Seaport Sriracha, Chonburi, Thailand | Oil & Gas Module |
| | 6 | Aibel Ltd. | Prosafe Petrobras Gas FPSO Project | AIBEL's Yard Laem Chabang Seaport Sriracha, Chonburi, Thailand | Oil & Gas Module |
| | 7 | Clough (Thailand) Ltd. | Montara Field Development Project | Mahidol Adulayadej, Royal Navy Dock Yard, Sattahip Chonburi, Thailand | Oil & Gas Module |
| | 8 | Aibel Ltd. | Aker Smart # 1 Project | Jurong Shipyard, Singapore | Oil & Gas Module |
| | 9 | AIBEL AS ; Norway | ETTRICK FPSO Project | Sembawang Shipyard Singapore | Oil & Gas Module |
| | 1 | PTT Maintenance Engineering Co., Ltd. | Enlosed Ground Flare Project (EGF Phase 2) | Map Ta Phut Industrial Estate, Rayong, Thailand | Petrochemical |
| | 2 | PTT Maintenance Engineering Co., Ltd. | Byproducts Value Added Project (BV) OSBL | Map Ta Phut Industrial Estate, Rayong, Thailand | Petrochemical |
| | 3 | Toyo-Thai Corporation PLC | Byproducts Value Added Project (BV) ISBL | Map Ta Phut Industrial Estate, Rayong, Thailand | Petrochemical |
| | 4 | Toyo-Thai Corporation PLC | Rungtawan-B162 Project | Map Ta Phut Industrial Estate, Rayong, Thailand | Petrochemical |
| | 5 | Technip Engineering (Thailand) Ltd. | Hat Yai (HTY Project) | Southern Industrial Estate Hat Yai Songkhla | Petrochemical |
| | 6 | Siam Polyethylene Company Limited | SPE-II S1700-198744 | Map Ta Phut Industrial Estate, Rayong, Thailand | Petrochemical |
| | 10 | Clough (Thailand) Ltd. | ETTRICK FPSO Project | Mahidol Adulayadej, Royal Navy Dock Yard, Sattahip, Chonburi, Thailand | Oil & Gas Module |
| | 11 | Clough (Thailand) Ltd. | GFI/ARV Well Head Platform Project | Mahidol Adulayadej, Royal Navy Dock Yard,Sattahip, Chonburi , Thailand | Oil & Gas Module |
| | 12 | Vetco Aibel Ltd. | Maersk Volve Topside Project | Maptaput Port, Rayong, Thailand | Oil & Gas Module |
| | 7 | Siam Latex Synthetic Co., Ltd. | Specialty Elastomer Project | Asia Industrial Estate,Rayong Thailand | Petrochemical |
| | 8 | TPT Petrochemical Plc. | TPT Process Reliability Improvement Project | Map Ta Phut Industrial Estate, Rayong, Thailand | Petrochemical |
| | 9 | Sino-Thai Engineering & Construction Public Co., Ltd. | DOWLEX Project | Map Ta Phut Industrial Estate, Rayong, Thailand | Petrochemical |
| | 10 | Toyo-Thai Corporation PLC | ABT Windmill (D152B) Project | Map Ta Phut Industrial Estate, Rayong, Thailand | Petrochemical |
| | 11 | Toyo-Thai Corporation PLC | Windmill/ Chaiyapreuk Project | Map Ta Phut Industrial Estate, Rayong, Thailand | Petrochemical |
| | 6 | Sino-Thai Engineering & Construction Public Co., Ltd. | GPK1 110MW Gas Fired CCP Project (Offsite) | Nongkhae IE , Saraburi | Power Plant |
| | 7 | Hyundai Engineering Co., Ltd. | SIPCO 160MW CCCP Project | SSP Industrial Park Baan Khai, Rayong Thailand | Power Plant |
| | 8 | Doosan Heavy Industries & Construction Co., Ltd. | Gheco-One Coal Fired Power Plant (660MW x 1 Unit) | Maptaphut, Industrial Estate Rayong ,Thailand | Power Plant |
| | 8 | Sriracha Construction (1994) Co., Ltd. | Thai Oil CDU-3 Revamp Project | Electrical & Instrument Installation Work | Refinery |
| | 9 | CTCI (Thailand) Co., Ltd | BCP Product Quality Improvement Project | Bangchak Petroleum Plc.Bang Na, Bangkok, Thailand | Refinery |
| | 13 | Aibel ( Thailand ) Ltd. | Johan Sverdrup Drilling Platform Module - MSF Project | Laem Chabang Seaport Sriracha, Chonburi, Thailand | Oil & Gas Module |
| | 9 | Sino-Thai Engineering & Constructions Public Co., Ltd. | Non Si Power Plant Power [GNC Project] | Nearby Sahapat Kabinburi Industrial Park, Kabinburi Prachinburi, Thailand | Power Plant |
| | 1 | Royal Thai Navy | OPV-2 Block 7 | Sattahip, Chonburi, Thailand | Others |
| | 10 | Sino-Thai Engineering & Construction Public Co., Ltd. | Nong La Lok Power Plant 2 [GNLL2 Project] | Hemaraj Rayong Industrial Land, Bankhai, Rayong, Thailand | Power Plant |
| | 12 | Samsung Engineering (Thailand) Co., Ltd | Propylene Oxide | Map Ta Phut Industrial Estate, Rayong ,Thailand | Petrochemical |
| | 11 | Sino-Thai Engineering & Construction Public Co., Ltd. | Gulf Chana Green Power Plant | Chana District, Songkhla Province, Thailand | Power Plant |
| | 14 | Vatana Phaisal Engineering Co., Ltd. | ExxonMobil Blade Project ISBL | Sattahip Yard, Chonburi, Thailand | Oil & Gas Module |
| | 15 | Unithai Shipyard and Engineering Limited | Cimtas MHPSA Otter Tail Modula | Laem Chabang Seaport Sriracha, Chonburi, Thailand | Oil & Gas Module |
| | 10 | | Sriracha Umbrella (SUP 6) | Esso Sriracha Refinery, Chonburi , Thailand | Refinery |
| | 11 | | ExxonMobil BLADE Project ISBL | Laem Chabang Seaport Sriracha, Chonburi, Thailand | Refinery |
| | 16 | | Johan Sverdrup P2 Topside EPC | Laem Chabang Seaport Sriracha, Chonburi, Thailand | Oil & Gas Module |
| | 12 | | Gulf Sriracha Power Plant | Chonburi Province, Thailand | Power Plant |
| | 17 | | Thai Oil Clean Fuels (CFP) | Laem Chabang Seaport Sriracha,Chonburi ,Thailand | Oil & Gas Module |
| | 18 | | Chemicals and Refining Integrated Singapore (CRISP) | Laem Chabang Seaport Sriracha,Chonburi ,Thailand | Oil & Gas Module |
| | 19 | | Thai Oil Clean Fuels (CFP) | Sattahip Yard, Chonburi, Thailand | Oil & Gas Module |
| | 13 | | Mexico Tamazunchale 1 | Laem Chabang Seaport Sriracha, Chonburi, Thailand | Petrochemical |
| | 20 | | Olefins Recovery Plant GYO | Sattahip Yard, Chonburi, Thailand | Oil & Gas Module |