| Customer | Name Works | Scope Of Work | Location | Working Period | Value (THB.) |
| TPT Petrochemicals Public Company Limited | Shut Down Project | Piping Installation Work | TPT Petrochemicals Public Company Limited | Febluery 2011 ~ March 2011 | 1,865,876.00 |
| Maxxis International (Thailand) Company Limited | Mixed Equipment Install | Piping Installation Work | Maxxis International (Thailand) Company Limited | Febluery 2010 ~ July 2011 | 1,800,000.0 |
| Rayong Purifier (Public) Company Limited | Modify Piping for Vapor Recovery Unit Project (VRU) | Material Construction Work | Rayong Purifier (Public) Company Limited | Febluery 2009 ~ March 2009 | 1,400,000.00 |
| Cheer you Construction (Thailand) Co., Ltd. | Steel Structure Fabrication and Installation QMB F7 Project | Steel Structure Fabrication and Installation QMB F7 Project | Ban Bueng District, Chonburi, Thailand | Januery 2021 ~ May 2021 | 238,000,000.00 |
| GC Maintenance & Engineering Co., Ltd. | HP Flare F-4601 Improve Pilot Ignition Reliability by FFG Installation Project | Mechanical, Piping, Civil, Tower lift and Scaffolding at GC11 | GC Branch 11 (GC11) | Januery 2021 ~ November 2021 | 15,954,820.00 |
| GC Maintenance & Engineering Co., Ltd. | Propane/LPG Feed Pipeline Modification for OMP Project | Civil, Structure, Piping Modification for OMP Project | GC Branch 2 (GC2) | Januery 2021 ~ April 2021 | 47,130,000.00 |
| Rayong Terminal Co., Ltd. | BCM-Pipe Rack Extension Construction 2 RTC-Piperack Extension Construction Area : RTC-BX-01 to BX-05 | Piping and Steel Structure Construction Co., Ltd. | RTC Plant | Januery 2018 ~ June 2018 | 10,500,000.00 |
| Maxxis International (Thailand) Company Limited | RO Water Pipe Support System | Piping Work/Material Supply & Construction Work | Maxxis International (Thailand) Company Limited | Januery 2011 ~ June 2011 | 4,800,000.0 |
| PTT Chemical Public Company Limited | Install Stanchion Sunshade | Piping / Equipment Construction | PTT Chemical Public Company Limited | Januery 2008 ~ April 2008 | 4,469,391.00 |
| Siemens Company Limited | Fabrication Internal Part for Dynasand = 36 Sets | Equipment Fabrication Material Construction | Siemens Company Limited | Januery 2008 ~ June 2008 | 6,480,000.00 |
| Maxxis International (Thailand) Company Limited | New Factory Phase# 3 | Building Roof Structure/Factory Phase#3 Material Construction | Maxxis International (Thailand) Company Limited | Januery 2008 ~ October 2008 | 208,000,000.00 |